Ejemplo n.º 1
0
def proj_ali_incore(data, refrings, numr, xrng, yrng, step, finfo=None):
	from utilities    import compose_transform2

	ID = data.get_attr("ID")
	if finfo:
		from utilities    import get_params_proj
		phi, theta, psi, s2x, s2y = get_params_proj(data)
		finfo.write("Image id: %6d\n"%(ID))
		finfo.write("Old parameters: %9.4f %9.4f %9.4f %9.4f %9.4f\n"%(phi, theta, psi, s2x, s2y))
		finfo.flush()

	mode = "F"
	#  center is in SPIDER convention
	nx   = data.get_xsize()
	ny   = data.get_ysize()
	cnx  = nx//2 + 1
	cny  = ny//2 + 1

	#phi, theta, psi, sxo, syo = get_params_proj(data)
	t1 = data.get_attr("xform.projection")
	dp = t1.get_params("spider")
	# get translations from data
	tx = dp["tx"]
	ty = dp["ty"]

	[ang, sxs, sys, mirror, iref, peak] = Util.multiref_polar_ali_2d(data, refrings, xrng, yrng, step, mode, numr, cnx+tx, cny+ty)
	iref = int(iref)
	data.set_attr("assign",iref)
	#[ang,sxs,sys,mirror,peak,numref] = apmq(projdata[imn], ref_proj_rings, xrng, yrng, step, mode, numr, cnx-sxo, cny-syo)
	#ang = (ang+360.0)%360.0
	# The ormqip returns parameters such that the transformation is applied first, the mirror operation second.
	#  What that means is that one has to change the the Eulerian angles so they point into mirrored direction: phi+180, 180-theta, 180-psi
	angb, sxb, syb, ct = compose_transform2(0.0, sxs, sys, 1, -ang, 0.0, 0.0, 1)
	if mirror:
		phi   = (refrings[iref].get_attr("phi")+540.0)%360.0
		theta = 180.0-refrings[iref].get_attr("theta")
		psi   = (540.0-refrings[iref].get_attr("psi")+angb)%360.0
		s2x   = sxb - tx
		s2y   = syb - ty
	else:
		phi   = refrings[iref].get_attr("phi")
		theta = refrings[iref].get_attr("theta")
		psi   = (refrings[iref].get_attr("psi")+angb+360.0)%360.0
		s2x   = sxb - tx
		s2y   = syb - ty
	#set_params_proj(data, [phi, theta, psi, s2x, s2y])
	t2 = Transform({"type":"spider","phi":phi,"theta":theta,"psi":psi})
	t2.set_trans(Vec2f(-s2x, -s2y))

	from pixel_error import max_3D_pixel_error
	pixel_error = max_3D_pixel_error(t1, t2, numr[-3])

	if finfo:
		finfo.write( "New parameters: %9.4f %9.4f %9.4f %9.4f %9.4f %10.5f  %11.3e\n\n" %(phi, theta, psi, s2x, s2y, peak, pixel_error))
		finfo.flush()

	return t2, peak, pixel_error
Ejemplo n.º 2
0
def image_decimate_window_xform_ctf(img,decimation=2,window_size=0,CTF=False):
        """
                Window 2D image to FFT-friendly size, apply Butterworth low pass filter,
                and decimate image by integer factor
        """
        from filter       import filt_btwl
        from fundamentals import smallprime,window2d
        from utilities    import get_image,get_params_proj,set_params_proj,get_ctf, set_ctf
        if decimation ==1:
        	if window_size ==0:
        		return img
        	else:
        		[phi,theta,psi,tx,ty]=get_params_proj(img)
        		if CTF:[defocus,cs,voltage,pixel_size,bfactor,ampconst,dfdiff,dfang] = get_ctf(img)
        		new_params =[phi, theta, psi, tx/decimation,ty/decimation]
        		img = Util.window(img,window_size,window_size,1, 0, 0, 0)
        		set_params_proj(img,new_params)
        		if CTF:
					ctf_params=[defocus,cs,voltage,pixel_size*decimation,bfactor,ampconst,dfdiff,dfang]
					set_ctf(img,ctf_params)
        		return img
        else:
        	nz= img.get_zsize()
        	if( nz > 1):                    ERROR("This command works only for 2-D images", "image_decimate", 1)
        	if decimation    <= 1  :        ERROR("Improper decimation ratio", "image_decimate", 1)
        	[phi,theta,psi,tx,ty]=get_params_proj(img)
        	new_params =[phi,theta,psi,tx/decimation,ty/decimation]
        	if CTF:[defocus,cs,voltage,pixel_size,bfactor,ampconst,dfdiff,dfang] = get_ctf(img)
        	frequency_low     = 0.5/decimation-0.02
        	if frequency_low <= 0 : ERROR("Butterworth passband frequency is too low","image_decimation",1)
        	frequency_high    = min(0.5/decimation + 0.02, 0.499)
        	if window_size >0:
        		img = Util.window(img, window_size, window_size,1, 0, 0, 0)
        	e = filt_btwl(img,frequency_low,frequency_high)
        	decimated_image = Util.decimate(e,int(decimation),int(decimation), 1)
        	set_params_proj(decimated_image,new_params)
        	if CTF:
        		ctf_params = [defocus,cs,voltage,pixel_size*decimation,bfactor,ampconst,dfdiff,dfang]
        		set_ctf(decimated_image,ctf_params)
        	return decimated_image
Ejemplo n.º 3
0
def comp_rep(refrings, data, itout, modout, vol, group, nima, nx, myid,
             main_node, outdir):
    import os
    from fundamentals import rot_shift2D
    from utilities import get_params_proj, params_3D_2D
    from mpi import mpi_reduce, MPI_COMM_WORLD, MPI_FLOAT, MPI_SUM
    avg = [EMData() for i in xrange(len(refrings))]
    avg_csum = [0.0 for i in xrange(len(refrings))]
    for i in xrange(len(refrings)):
        avg[i] = EMData()
        avg[i].set_size(nx, nx)
        phi = refrings[i].get_attr("phi")
        theta = refrings[i].get_attr("theta")
        t = Transform({
            "type": "spider",
            "phi": phi,
            "theta": theta,
            "psi": 0.0
        })
        avg[i].set_attr("xform.projection", t)

    for im in xrange(nima):
        iref = data[im].get_attr("assign")
        gim = data[im].get_attr("group")
        if gim == group:
            [phi, theta, psi, s2x, s2y] = get_params_proj(data[im])
            [alpha, sx, sy, mirror] = params_3D_2D(phi, theta, psi, s2x, s2y)
            temp = rot_shift2D(data[im], alpha, sx, sy, mirror, 1.0)
            avg[iref] = avg[iref] + temp
            avg_csum[iref] = avg_csum[iref] + 1
        from utilities import reduce_EMData_to_root
    for i in xrange(len(refrings)):
        reduce_EMData_to_root(avg[i], myid, main_node)
        avg_sum = mpi_reduce(avg_csum[i], 1, MPI_FLOAT, MPI_SUM, 0,
                             MPI_COMM_WORLD)
        outfile_repro = os.path.join(outdir,
                                     "repro_%s%s.hdf" % (itout, modout))
        if myid == 0:
            outfile = os.path.join(outdir,
                                   "compare_repro_%s%s.hdf" % (itout, modout))
            avg[i].write_image(outfile, -1)
            t = avg[i].get_attr("xform.projection")
            proj = vol.project("pawel", t)
            proj.set_attr("xform.projection", t)
            proj.set_attr("Raw_im_count", float(avg_sum))
            proj.write_image(outfile, -1)
            proj.write_image(outfile_repro, -1)
    return outfile_repro
Ejemplo n.º 4
0
def image_decimate_window_xform_ctf(img, decimation = 0.5, window_size = 0, CTF = False):
	from filter       import filt_btwl
	from fundamentals import smallprime,window2d
	from utilities    import get_image,get_params_proj,set_params_proj,get_ctf, set_ctf
	nx = img.get_xsize()
	ny = img.get_ysize()
	nz = img.get_zsize()
	if( nz > 1): ERROR("This command works only for 2-D images", "image_decimate", 1)
	if nx < window_size or ny < window_size: ERROR("Image size is less than window size", "image_decimate_window_xform_ctf", 1)
	if CTF:
		[defocus,cs,voltage,pixel_size,bfactor,ampconst,dfdiff,dfang] = get_ctf(img)
		ctf_params =[defocus,cs,voltage,pixel_size*decimation,bfactor,ampconst,dfdiff,dfang]
	[phi,theta, psi, tx, ty] = get_params_proj(img)
	new_params = [phi, theta, psi, tx*decimation,ty*decimation]
	if decimation ==1:
		if window_size ==0: return img
		else:
			img = Util.window(img, window_size, window_size,1, 0, 0, 0)
			if CTF: set_ctf(img,ctf_params)
			set_params_proj(img,new_params)
			return img
	elif decimation < 1: # reduce image size 
		frequency_low     = 0.5*decimation-0.02
		if frequency_low <= 0 : ERROR("Butterworth passband frequency is too low","image_decimation",1)
		frequency_high    = min(0.5*decimation + 0.02, 0.499)
		if window_size >0:img = Util.window(img, window_size, window_size, 1, 0, 0, 0)
		decimated_image = Util.decimate(filt_btwl(img, frequency_low, frequency_high), int(1./decimation), int(1./decimation), 1)
	else: #increase image size
		if window_size ==0:
			new_nx = int(nx*decimation+0.5)
			new_ny = int(ny*decimation+0.5)
			e, kb  = prepi(Util.pad(img, new_nx, new_ny, 1, 0, 0, 0, "circumference"))
			decimated_image = e.rot_scale_conv_new(0.0, 0.0, 0.0, kb, decimation)
		else:
			img = Util.window(img, window_size, window_size,1, 0, 0, 0)
			new_nx = int(window_size*decimation+0.5)
			new_ny = int(window_size*decimation+0.5)
			e, kb = prepi(Util.pad(img, new_nx, new_ny, 1, 0, 0, 0, "circumference"))
			decimated_image = e.rot_scale_conv_new(0.0, 0.0, 0.0, kb, decimation)
	set_params_proj(decimated_image,new_params)
	if CTF: set_ctf(decimated_image,ctf_params)
	return decimated_image
Ejemplo n.º 5
0
def comp_rep(refrings, data, itout, modout, vol, group, nima, nx, myid, main_node, outdir):
	import os
	from fundamentals import rot_shift2D
	from utilities    import get_params_proj, params_3D_2D
	from mpi import mpi_reduce, MPI_COMM_WORLD, MPI_FLOAT, MPI_SUM	
	avg = [EMData() for i in xrange(len(refrings))]
	avg_csum = [0.0 for i in xrange(len(refrings))]
	for i in xrange(len(refrings)):
		avg[i] = EMData()
		avg[i].set_size(nx,nx)
		phi   = refrings[i].get_attr("phi")
		theta = refrings[i].get_attr("theta")
		t = Transform({"type":"spider","phi":phi,"theta":theta,"psi":0.0})
		avg[i].set_attr("xform.projection",t)

	for im in xrange(nima):
		iref = data[im].get_attr("assign")
		gim = data[im].get_attr("group")
		if gim == group:
			[phi, theta, psi, s2x, s2y] = get_params_proj(data[im])
			[alpha, sx,sy,mirror] = params_3D_2D(phi,theta,psi,s2x,s2y)
			temp = rot_shift2D(data[im],alpha, sx, sy, mirror, 1.0)
			avg[iref] = avg[iref] + temp
			avg_csum[iref] = avg_csum[iref] + 1
		from utilities import reduce_EMData_to_root
	for i in xrange(len(refrings)):
	    	reduce_EMData_to_root(avg[i], myid, main_node)
		avg_sum = mpi_reduce(avg_csum[i],1,MPI_FLOAT,MPI_SUM,0,MPI_COMM_WORLD)	
		outfile_repro = os.path.join(outdir, "repro_%s%s.hdf"%(itout,modout))
		if myid ==0:
		     	outfile = os.path.join(outdir, "compare_repro_%s%s.hdf"%(itout,modout))
			avg[i].write_image(outfile,-1)
			t = avg[i].get_attr("xform.projection")
			proj = vol.project("pawel",t)
			proj.set_attr("xform.projection",t)
			proj.set_attr("Raw_im_count", float(avg_sum))
			proj.write_image(outfile,-1)
			proj.write_image(outfile_repro,-1)
	return outfile_repro
Ejemplo n.º 6
0
def cml_open_proj(stack, ir, ou, lf, hf, dpsi=1):
    from projection import cml_sinogram
    from utilities import model_circle, get_params_proj, model_blank, get_im
    from fundamentals import fftip
    from filter import filt_tanh

    # number of projections
    if type(stack) == type(""): nprj = EMUtil.get_image_count(stack)
    else: nprj = len(stack)
    Prj = []  # list of projections
    Ori = [
        -1
    ] * 4 * nprj  # orientation intial (phi, theta, psi, index) for each projection

    for i in xrange(nprj):
        image = get_im(stack, i)

        # read initial angles if given
        try:
            Ori[4 * i], Ori[4 * i +
                            1], Ori[4 * i +
                                    2], s2x, s2y = get_params_proj(image)
        except:
            pass

        if (i == 0):
            nx = image.get_xsize()
            if (ou < 1): ou = nx // 2 - 1
            diameter = int(2 * ou)
            mask2D = model_circle(ou, nx, nx)
            if ir > 0: mask2D -= model_circle(ir, nx, nx)

        # normalize under the mask
        [mean_a, sigma, imin, imax] = Util.infomask(image, mask2D, True)
        image -= mean_a
        Util.mul_scalar(image, 1.0 / sigma)
        Util.mul_img(image, mask2D)

        # sinogram
        sino = cml_sinogram(image, diameter, dpsi)

        # prepare the cut positions in order to filter (lf: low freq; hf: high freq)
        ihf = min(int(2 * hf * diameter), diameter + (diameter + 1) % 2)
        ihf = ihf + (ihf + 1) % 2  # index ihf must be odd to take the img part
        ilf = max(int(2 * lf * diameter), 0)
        ilf = ilf + ilf % 2  # index ilf must be even to fall in the real part
        bdf = ihf - ilf + 1

        # process lines
        nxe = sino.get_xsize()
        nye = sino.get_ysize()
        prj = model_blank(bdf, 2 * nye)
        pp = model_blank(nxe, 2 * nye)
        for li in xrange(nye):
            # get the line li
            line = Util.window(sino, nxe, 1, 1, 0, li - nye // 2, 0)
            # u2 (not improve the results)
            #line = filt_tanh(line, ou / float(nx), ou / float(nx))
            # normalize this line
            [mean_l, sigma_l, imin, imax] = Util.infomask(line, None, True)
            line = (line - mean_l) / sigma_l
            # fft
            fftip(line)
            # filter (cut part of coef) and create mirror line
            Util.cml_prepare_line(prj, line, ilf, ihf, li, nye)

        # store the projection
        Prj.append(prj)

    return Prj, Ori
Ejemplo n.º 7
0
def main():
    import global_def
    from optparse import OptionParser
    from EMAN2 import EMUtil
    import os
    import sys
    from time import time

    progname = os.path.basename(sys.argv[0])
    usage = progname + " proj_stack output_averages --MPI"
    parser = OptionParser(usage, version=SPARXVERSION)

    parser.add_option("--img_per_group",
                      type="int",
                      default=100,
                      help="number of images per group")
    parser.add_option("--radius",
                      type="int",
                      default=-1,
                      help="radius for alignment")
    parser.add_option(
        "--xr",
        type="string",
        default="2 1",
        help="range for translation search in x direction, search is +/xr")
    parser.add_option(
        "--yr",
        type="string",
        default="-1",
        help=
        "range for translation search in y direction, search is +/yr (default = same as xr)"
    )
    parser.add_option(
        "--ts",
        type="string",
        default="1 0.5",
        help=
        "step size of the translation search in both directions, search is -xr, -xr+ts, 0, xr-ts, xr, can be fractional"
    )
    parser.add_option(
        "--iter",
        type="int",
        default=30,
        help="number of iterations within alignment (default = 30)")
    parser.add_option(
        "--num_ali",
        type="int",
        default=5,
        help="number of alignments performed for stability (default = 5)")
    parser.add_option("--thld_err",
                      type="float",
                      default=1.0,
                      help="threshold of pixel error (default = 1.732)")
    parser.add_option(
        "--grouping",
        type="string",
        default="GRP",
        help=
        "do grouping of projections: PPR - per projection, GRP - different size groups, exclusive (default), GEV - grouping equal size"
    )
    parser.add_option(
        "--delta",
        type="float",
        default=-1.0,
        help="angular step for reference projections (required for GEV method)"
    )
    parser.add_option(
        "--fl",
        type="float",
        default=0.3,
        help="cut-off frequency of hyperbolic tangent low-pass Fourier filter")
    parser.add_option(
        "--aa",
        type="float",
        default=0.2,
        help="fall-off of hyperbolic tangent low-pass Fourier filter")
    parser.add_option("--CTF",
                      action="store_true",
                      default=False,
                      help="Consider CTF correction during the alignment ")
    parser.add_option("--MPI",
                      action="store_true",
                      default=False,
                      help="use MPI version")

    (options, args) = parser.parse_args()

    from mpi import mpi_init, mpi_comm_rank, mpi_comm_size, MPI_COMM_WORLD
    from mpi import mpi_barrier, mpi_send, mpi_recv, mpi_bcast, MPI_INT, mpi_finalize, MPI_FLOAT
    from applications import MPI_start_end, within_group_refinement, ali2d_ras
    from pixel_error import multi_align_stability
    from utilities import send_EMData, recv_EMData
    from utilities import get_image, bcast_number_to_all, set_params2D, get_params2D
    from utilities import group_proj_by_phitheta, model_circle, get_input_from_string

    sys.argv = mpi_init(len(sys.argv), sys.argv)
    myid = mpi_comm_rank(MPI_COMM_WORLD)
    number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
    main_node = 0

    if len(args) == 2:
        stack = args[0]
        outdir = args[1]
    else:
        ERROR("incomplete list of arguments", "sxproj_stability", 1, myid=myid)
        exit()
    if not options.MPI:
        ERROR("Non-MPI not supported!", "sxproj_stability", myid=myid)
        exit()

    if global_def.CACHE_DISABLE:
        from utilities import disable_bdb_cache
        disable_bdb_cache()
    global_def.BATCH = True

    #if os.path.exists(outdir):  ERROR('Output directory exists, please change the name and restart the program', "sxproj_stability", 1, myid)
    #mpi_barrier(MPI_COMM_WORLD)

    img_per_grp = options.img_per_group
    radius = options.radius
    ite = options.iter
    num_ali = options.num_ali
    thld_err = options.thld_err

    xrng = get_input_from_string(options.xr)
    if options.yr == "-1": yrng = xrng
    else: yrng = get_input_from_string(options.yr)
    step = get_input_from_string(options.ts)

    if myid == main_node:
        nima = EMUtil.get_image_count(stack)
        img = get_image(stack)
        nx = img.get_xsize()
        ny = img.get_ysize()
    else:
        nima = 0
        nx = 0
        ny = 0
    nima = bcast_number_to_all(nima)
    nx = bcast_number_to_all(nx)
    ny = bcast_number_to_all(ny)
    if radius == -1: radius = nx / 2 - 2
    mask = model_circle(radius, nx, nx)

    st = time()
    if options.grouping == "GRP":
        if myid == main_node:
            print "  A  ", myid, "  ", time() - st
            proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
            proj_params = []
            for i in xrange(nima):
                dp = proj_attr[i].get_params("spider")
                phi, theta, psi, s2x, s2y = dp["phi"], dp["theta"], dp[
                    "psi"], -dp["tx"], -dp["ty"]
                proj_params.append([phi, theta, psi, s2x, s2y])

            # Here is where the grouping is done, I didn't put enough annotation in the group_proj_by_phitheta,
            # So I will briefly explain it here
            # proj_list  : Returns a list of list of particle numbers, each list contains img_per_grp particle numbers
            #              except for the last one. Depending on the number of particles left, they will either form a
            #              group or append themselves to the last group
            # angle_list : Also returns a list of list, each list contains three numbers (phi, theta, delta), (phi,
            #              theta) is the projection angle of the center of the group, delta is the range of this group
            # mirror_list: Also returns a list of list, each list contains img_per_grp True or False, which indicates
            #              whether it should take mirror position.
            # In this program angle_list and mirror list are not of interest.

            proj_list_all, angle_list, mirror_list = group_proj_by_phitheta(
                proj_params, img_per_grp=img_per_grp)
            del proj_params
            print "  B  number of groups  ", myid, "  ", len(
                proj_list_all), time() - st
        mpi_barrier(MPI_COMM_WORLD)

        # Number of groups, actually there could be one or two more groups, since the size of the remaining group varies
        # we will simply assign them to main node.
        n_grp = nima / img_per_grp - 1

        # Divide proj_list_all equally to all nodes, and becomes proj_list
        proj_list = []
        for i in xrange(n_grp):
            proc_to_stay = i % number_of_proc
            if proc_to_stay == main_node:
                if myid == main_node: proj_list.append(proj_list_all[i])
            elif myid == main_node:
                mpi_send(len(proj_list_all[i]), 1, MPI_INT, proc_to_stay,
                         SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                mpi_send(proj_list_all[i], len(proj_list_all[i]), MPI_INT,
                         proc_to_stay, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
            elif myid == proc_to_stay:
                img_per_grp = mpi_recv(1, MPI_INT, main_node,
                                       SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                img_per_grp = int(img_per_grp[0])
                temp = mpi_recv(img_per_grp, MPI_INT, main_node,
                                SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                proj_list.append(map(int, temp))
                del temp
            mpi_barrier(MPI_COMM_WORLD)
        print "  C  ", myid, "  ", time() - st
        if myid == main_node:
            # Assign the remaining groups to main_node
            for i in xrange(n_grp, len(proj_list_all)):
                proj_list.append(proj_list_all[i])
            del proj_list_all, angle_list, mirror_list

    #   Compute stability per projection projection direction, equal number assigned, thus overlaps
    elif options.grouping == "GEV":
        if options.delta == -1.0:
            ERROR(
                "Angular step for reference projections is required for GEV method",
                "sxproj_stability", 1)
        from utilities import even_angles, nearestk_to_refdir, getvec
        refproj = even_angles(options.delta)
        img_begin, img_end = MPI_start_end(len(refproj), number_of_proc, myid)
        # Now each processor keeps its own share of reference projections
        refprojdir = refproj[img_begin:img_end]
        del refproj

        ref_ang = [0.0] * (len(refprojdir) * 2)
        for i in xrange(len(refprojdir)):
            ref_ang[i * 2] = refprojdir[0][0]
            ref_ang[i * 2 + 1] = refprojdir[0][1] + i * 0.1

        print "  A  ", myid, "  ", time() - st
        proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
        #  the solution below is very slow, do not use it unless there is a problem with the i/O
        """
		for i in xrange(number_of_proc):
			if myid == i:
				proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
			mpi_barrier(MPI_COMM_WORLD)
		"""
        print "  B  ", myid, "  ", time() - st

        proj_ang = [0.0] * (nima * 2)
        for i in xrange(nima):
            dp = proj_attr[i].get_params("spider")
            proj_ang[i * 2] = dp["phi"]
            proj_ang[i * 2 + 1] = dp["theta"]
        print "  C  ", myid, "  ", time() - st
        asi = Util.nearestk_to_refdir(proj_ang, ref_ang, img_per_grp)
        del proj_ang, ref_ang
        proj_list = []
        for i in xrange(len(refprojdir)):
            proj_list.append(asi[i * img_per_grp:(i + 1) * img_per_grp])
        del asi
        print "  D  ", myid, "  ", time() - st
        #from sys import exit
        #exit()

    #   Compute stability per projection
    elif options.grouping == "PPR":
        print "  A  ", myid, "  ", time() - st
        proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
        print "  B  ", myid, "  ", time() - st
        proj_params = []
        for i in xrange(nima):
            dp = proj_attr[i].get_params("spider")
            phi, theta, psi, s2x, s2y = dp["phi"], dp["theta"], dp[
                "psi"], -dp["tx"], -dp["ty"]
            proj_params.append([phi, theta, psi, s2x, s2y])
        img_begin, img_end = MPI_start_end(nima, number_of_proc, myid)
        print "  C  ", myid, "  ", time() - st
        from utilities import nearest_proj
        proj_list, mirror_list = nearest_proj(
            proj_params, img_per_grp,
            range(img_begin, img_begin + 1))  #range(img_begin, img_end))
        refprojdir = proj_params[img_begin:img_end]
        del proj_params, mirror_list
        print "  D  ", myid, "  ", time() - st
    else:
        ERROR("Incorrect projection grouping option", "sxproj_stability", 1)
    """
	from utilities import write_text_file
	for i in xrange(len(proj_list)):
		write_text_file(proj_list[i],"projlist%06d_%04d"%(i,myid))
	"""

    ###########################################################################################################
    # Begin stability test
    from utilities import get_params_proj, read_text_file
    #if myid == 0:
    #	from utilities import read_text_file
    #	proj_list[0] = map(int, read_text_file("lggrpp0.txt"))

    from utilities import model_blank
    aveList = [model_blank(nx, ny)] * len(proj_list)
    if options.grouping == "GRP":
        refprojdir = [[0.0, 0.0, -1.0]] * len(proj_list)
    for i in xrange(len(proj_list)):
        print "  E  ", myid, "  ", time() - st
        class_data = EMData.read_images(stack, proj_list[i])
        #print "  R  ",myid,"  ",time()-st
        if options.CTF:
            from filter import filt_ctf
            for im in xrange(len(class_data)):  #  MEM LEAK!!
                atemp = class_data[im].copy()
                btemp = filt_ctf(atemp, atemp.get_attr("ctf"), binary=1)
                class_data[im] = btemp
                #class_data[im] = filt_ctf(class_data[im], class_data[im].get_attr("ctf"), binary=1)
        for im in class_data:
            try:
                t = im.get_attr(
                    "xform.align2d")  # if they are there, no need to set them!
            except:
                try:
                    t = im.get_attr("xform.projection")
                    d = t.get_params("spider")
                    set_params2D(im, [0.0, -d["tx"], -d["ty"], 0, 1.0])
                except:
                    set_params2D(im, [0.0, 0.0, 0.0, 0, 1.0])
        #print "  F  ",myid,"  ",time()-st
        # Here, we perform realignment num_ali times
        all_ali_params = []
        for j in xrange(num_ali):
            if (xrng[0] == 0.0 and yrng[0] == 0.0):
                avet = ali2d_ras(class_data,
                                 randomize=True,
                                 ir=1,
                                 ou=radius,
                                 rs=1,
                                 step=1.0,
                                 dst=90.0,
                                 maxit=ite,
                                 check_mirror=True,
                                 FH=options.fl,
                                 FF=options.aa)
            else:
                avet = within_group_refinement(class_data, mask, True, 1,
                                               radius, 1, xrng, yrng, step,
                                               90.0, ite, options.fl,
                                               options.aa)
            ali_params = []
            for im in xrange(len(class_data)):
                alpha, sx, sy, mirror, scale = get_params2D(class_data[im])
                ali_params.extend([alpha, sx, sy, mirror])
            all_ali_params.append(ali_params)
        #aveList[i] = avet
        #print "  G  ",myid,"  ",time()-st
        del ali_params
        # We determine the stability of this group here.
        # stable_set contains all particles deemed stable, it is a list of list
        # each list has two elements, the first is the pixel error, the second is the image number
        # stable_set is sorted based on pixel error
        #from utilities import write_text_file
        #write_text_file(all_ali_params, "all_ali_params%03d.txt"%myid)
        stable_set, mir_stab_rate, average_pix_err = multi_align_stability(
            all_ali_params, 0.0, 10000.0, thld_err, False, 2 * radius + 1)
        #print "  H  ",myid,"  ",time()-st
        if (len(stable_set) > 5):
            stable_set_id = []
            members = []
            pix_err = []
            # First put the stable members into attr 'members' and 'pix_err'
            for s in stable_set:
                # s[1] - number in this subset
                stable_set_id.append(s[1])
                # the original image number
                members.append(proj_list[i][s[1]])
                pix_err.append(s[0])
            # Then put the unstable members into attr 'members' and 'pix_err'
            from fundamentals import rot_shift2D
            avet.to_zero()
            if options.grouping == "GRP":
                aphi = 0.0
                atht = 0.0
                vphi = 0.0
                vtht = 0.0
            l = -1
            for j in xrange(len(proj_list[i])):
                #  Here it will only work if stable_set_id is sorted in the increasing number, see how l progresses
                if j in stable_set_id:
                    l += 1
                    avet += rot_shift2D(class_data[j], stable_set[l][2][0],
                                        stable_set[l][2][1],
                                        stable_set[l][2][2],
                                        stable_set[l][2][3])
                    if options.grouping == "GRP":
                        phi, theta, psi, sxs, sys = get_params_proj(
                            class_data[j])
                        if (theta > 90.0):
                            phi = (phi + 540.0) % 360.0
                            theta = 180.0 - theta
                        aphi += phi
                        atht += theta
                        vphi += phi * phi
                        vtht += theta * theta
                else:
                    members.append(proj_list[i][j])
                    pix_err.append(99999.99)
            aveList[i] = avet.copy()
            if l > 1:
                l += 1
                aveList[i] /= l
                if options.grouping == "GRP":
                    aphi /= l
                    atht /= l
                    vphi = (vphi - l * aphi * aphi) / l
                    vtht = (vtht - l * atht * atht) / l
                    from math import sqrt
                    refprojdir[i] = [
                        aphi, atht,
                        (sqrt(max(vphi, 0.0)) + sqrt(max(vtht, 0.0))) / 2.0
                    ]

            # Here more information has to be stored, PARTICULARLY WHAT IS THE REFERENCE DIRECTION
            aveList[i].set_attr('members', members)
            aveList[i].set_attr('refprojdir', refprojdir[i])
            aveList[i].set_attr('pixerr', pix_err)
        else:
            print " empty group ", i, refprojdir[i]
            aveList[i].set_attr('members', [-1])
            aveList[i].set_attr('refprojdir', refprojdir[i])
            aveList[i].set_attr('pixerr', [99999.])

    del class_data

    if myid == main_node:
        km = 0
        for i in xrange(number_of_proc):
            if i == main_node:
                for im in xrange(len(aveList)):
                    aveList[im].write_image(args[1], km)
                    km += 1
            else:
                nl = mpi_recv(1, MPI_INT, i, SPARX_MPI_TAG_UNIVERSAL,
                              MPI_COMM_WORLD)
                nl = int(nl[0])
                for im in xrange(nl):
                    ave = recv_EMData(i, im + i + 70000)
                    nm = mpi_recv(1, MPI_INT, i, SPARX_MPI_TAG_UNIVERSAL,
                                  MPI_COMM_WORLD)
                    nm = int(nm[0])
                    members = mpi_recv(nm, MPI_INT, i, SPARX_MPI_TAG_UNIVERSAL,
                                       MPI_COMM_WORLD)
                    ave.set_attr('members', map(int, members))
                    members = mpi_recv(nm, MPI_FLOAT, i,
                                       SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                    ave.set_attr('pixerr', map(float, members))
                    members = mpi_recv(3, MPI_FLOAT, i,
                                       SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                    ave.set_attr('refprojdir', map(float, members))
                    ave.write_image(args[1], km)
                    km += 1
    else:
        mpi_send(len(aveList), 1, MPI_INT, main_node, SPARX_MPI_TAG_UNIVERSAL,
                 MPI_COMM_WORLD)
        for im in xrange(len(aveList)):
            send_EMData(aveList[im], main_node, im + myid + 70000)
            members = aveList[im].get_attr('members')
            mpi_send(len(members), 1, MPI_INT, main_node,
                     SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
            mpi_send(members, len(members), MPI_INT, main_node,
                     SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
            members = aveList[im].get_attr('pixerr')
            mpi_send(members, len(members), MPI_FLOAT, main_node,
                     SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
            try:
                members = aveList[im].get_attr('refprojdir')
                mpi_send(members, 3, MPI_FLOAT, main_node,
                         SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
            except:
                mpi_send([-999.0, -999.0, -999.0], 3, MPI_FLOAT, main_node,
                         SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)

    global_def.BATCH = False
    mpi_barrier(MPI_COMM_WORLD)
    from mpi import mpi_finalize
    mpi_finalize()
Ejemplo n.º 8
0
def main():
    def params_3D_2D_NEW(phi, theta, psi, s2x, s2y, mirror):
        if mirror:
            m = 1
            alpha, sx, sy, scalen = compose_transform2(0, s2x, s2y, 1.0,
                                                       540.0 - psi, 0, 0, 1.0)
        else:
            m = 0
            alpha, sx, sy, scalen = compose_transform2(0, s2x, s2y, 1.0,
                                                       360.0 - psi, 0, 0, 1.0)
        return alpha, sx, sy, m

    progname = os.path.basename(sys.argv[0])
    usage = progname + " prj_stack  --ave2D= --var2D=  --ave3D= --var3D= --img_per_grp= --fl=15. --aa=0.01  --sym=symmetry --CTF"
    parser = OptionParser(usage, version=SPARXVERSION)

    parser.add_option("--output_dir",
                      type="string",
                      default="./",
                      help="output directory")
    parser.add_option("--ave2D",
                      type="string",
                      default=False,
                      help="write to the disk a stack of 2D averages")
    parser.add_option("--var2D",
                      type="string",
                      default=False,
                      help="write to the disk a stack of 2D variances")
    parser.add_option("--ave3D",
                      type="string",
                      default=False,
                      help="write to the disk reconstructed 3D average")
    parser.add_option("--var3D",
                      type="string",
                      default=False,
                      help="compute 3D variability (time consuming!)")
    parser.add_option("--img_per_grp",
                      type="int",
                      default=10,
                      help="number of neighbouring projections")
    parser.add_option("--no_norm",
                      action="store_true",
                      default=False,
                      help="do not use normalization")
    #parser.add_option("--radius", 	    type="int"         ,	default=-1   ,				help="radius for 3D variability" )
    parser.add_option("--npad",
                      type="int",
                      default=2,
                      help="number of time to pad the original images")
    parser.add_option("--sym", type="string", default="c1", help="symmetry")
    parser.add_option(
        "--fl",
        type="float",
        default=0.0,
        help=
        "cutoff freqency in absolute frequency (0.0-0.5). (Default - no filtration)"
    )
    parser.add_option(
        "--aa",
        type="float",
        default=0.0,
        help=
        "fall off of the filter. Put 0.01 if user has no clue about falloff (Default - no filtration)"
    )
    parser.add_option("--CTF",
                      action="store_true",
                      default=False,
                      help="use CFT correction")
    parser.add_option("--VERBOSE",
                      action="store_true",
                      default=False,
                      help="Long output for debugging")
    #parser.add_option("--MPI" , 		action="store_true",	default=False,				help="use MPI version")
    #parser.add_option("--radiuspca", 	type="int"         ,	default=-1   ,				help="radius for PCA" )
    #parser.add_option("--iter", 		type="int"         ,	default=40   ,				help="maximum number of iterations (stop criterion of reconstruction process)" )
    #parser.add_option("--abs", 		type="float"   ,        default=0.0  ,				help="minimum average absolute change of voxels' values (stop criterion of reconstruction process)" )
    #parser.add_option("--squ", 		type="float"   ,	    default=0.0  ,				help="minimum average squared change of voxels' values (stop criterion of reconstruction process)" )
    parser.add_option(
        "--VAR",
        action="store_true",
        default=False,
        help="stack on input consists of 2D variances (Default False)")
    parser.add_option(
        "--decimate",
        type="float",
        default=1.0,
        help=
        "image decimate rate, a number larger (expand image) or less (shrink image) than 1. default is 1"
    )
    parser.add_option(
        "--window",
        type="int",
        default=0,
        help=
        "reduce images to a small image size without changing pixel_size. Default value is zero."
    )
    #parser.add_option("--SND",			action="store_true",	default=False,				help="compute squared normalized differences (Default False)")
    parser.add_option(
        "--nvec",
        type="int",
        default=0,
        help="number of eigenvectors, default = 0 meaning no PCA calculated")
    parser.add_option(
        "--symmetrize",
        action="store_true",
        default=False,
        help="Prepare input stack for handling symmetry (Default False)")

    (options, args) = parser.parse_args()
    #####
    from mpi import mpi_init, mpi_comm_rank, mpi_comm_size, mpi_recv, MPI_COMM_WORLD
    from mpi import mpi_barrier, mpi_reduce, mpi_bcast, mpi_send, MPI_FLOAT, MPI_SUM, MPI_INT, MPI_MAX
    from applications import MPI_start_end
    from reconstruction import recons3d_em, recons3d_em_MPI
    from reconstruction import recons3d_4nn_MPI, recons3d_4nn_ctf_MPI
    from utilities import print_begin_msg, print_end_msg, print_msg
    from utilities import read_text_row, get_image, get_im
    from utilities import bcast_EMData_to_all, bcast_number_to_all
    from utilities import get_symt

    #  This is code for handling symmetries by the above program.  To be incorporated. PAP 01/27/2015

    from EMAN2db import db_open_dict

    # Set up global variables related to bdb cache
    if global_def.CACHE_DISABLE:
        from utilities import disable_bdb_cache
        disable_bdb_cache()

    # Set up global variables related to ERROR function
    global_def.BATCH = True

    # detect if program is running under MPI
    RUNNING_UNDER_MPI = "OMPI_COMM_WORLD_SIZE" in os.environ
    if RUNNING_UNDER_MPI:
        global_def.MPI = True

    if options.symmetrize:
        if RUNNING_UNDER_MPI:
            try:
                sys.argv = mpi_init(len(sys.argv), sys.argv)
                try:
                    number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
                    if (number_of_proc > 1):
                        ERROR(
                            "Cannot use more than one CPU for symmetry prepration",
                            "sx3dvariability", 1)
                except:
                    pass
            except:
                pass
        if options.output_dir != "./" and not os.path.exists(
                options.output_dir):
            os.mkdir(options.output_dir)
        #  Input
        #instack = "Clean_NORM_CTF_start_wparams.hdf"
        #instack = "bdb:data"

        from logger import Logger, BaseLogger_Files
        if os.path.exists(os.path.join(options.output_dir, "log.txt")):
            os.remove(os.path.join(options.output_dir, "log.txt"))
        log_main = Logger(BaseLogger_Files())
        log_main.prefix = os.path.join(options.output_dir, "./")

        instack = args[0]
        sym = options.sym.lower()
        if (sym == "c1"):
            ERROR("There is no need to symmetrize stack for C1 symmetry",
                  "sx3dvariability", 1)

        line = ""
        for a in sys.argv:
            line += " " + a
        log_main.add(line)

        if (instack[:4] != "bdb:"):
            if output_dir == "./": stack = "bdb:data"
            else: stack = "bdb:" + options.output_dir + "/data"
            delete_bdb(stack)
            junk = cmdexecute("sxcpy.py  " + instack + "  " + stack)
        else:
            stack = instack

        qt = EMUtil.get_all_attributes(stack, 'xform.projection')

        na = len(qt)
        ts = get_symt(sym)
        ks = len(ts)
        angsa = [None] * na

        for k in xrange(ks):
            #Qfile = "Q%1d"%k
            if options.output_dir != "./":
                Qfile = os.path.join(options.output_dir, "Q%1d" % k)
            else:
                Qfile = os.path.join(options.output_dir, "Q%1d" % k)
            #delete_bdb("bdb:Q%1d"%k)
            delete_bdb("bdb:" + Qfile)
            #junk = cmdexecute("e2bdb.py  "+stack+"  --makevstack=bdb:Q%1d"%k)
            junk = cmdexecute("e2bdb.py  " + stack + "  --makevstack=bdb:" +
                              Qfile)
            #DB = db_open_dict("bdb:Q%1d"%k)
            DB = db_open_dict("bdb:" + Qfile)
            for i in xrange(na):
                ut = qt[i] * ts[k]
                DB.set_attr(i, "xform.projection", ut)
                #bt = ut.get_params("spider")
                #angsa[i] = [round(bt["phi"],3)%360.0, round(bt["theta"],3)%360.0, bt["psi"], -bt["tx"], -bt["ty"]]
            #write_text_row(angsa, 'ptsma%1d.txt'%k)
            #junk = cmdexecute("e2bdb.py  "+stack+"  --makevstack=bdb:Q%1d"%k)
            #junk = cmdexecute("sxheader.py  bdb:Q%1d  --params=xform.projection  --import=ptsma%1d.txt"%(k,k))
            DB.close()
        if options.output_dir == "./": delete_bdb("bdb:sdata")
        else: delete_bdb("bdb:" + options.output_dir + "/" + "sdata")
        #junk = cmdexecute("e2bdb.py . --makevstack=bdb:sdata --filt=Q")
        sdata = "bdb:" + options.output_dir + "/" + "sdata"
        print(sdata)
        junk = cmdexecute("e2bdb.py   " + options.output_dir +
                          "  --makevstack=" + sdata + " --filt=Q")
        #junk = cmdexecute("ls  EMAN2DB/sdata*")
        #a = get_im("bdb:sdata")
        a = get_im(sdata)
        a.set_attr("variabilitysymmetry", sym)
        #a.write_image("bdb:sdata")
        a.write_image(sdata)

    else:

        sys.argv = mpi_init(len(sys.argv), sys.argv)
        myid = mpi_comm_rank(MPI_COMM_WORLD)
        number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
        main_node = 0

        if len(args) == 1:
            stack = args[0]
        else:
            print(("usage: " + usage))
            print(("Please run '" + progname + " -h' for detailed options"))
            return 1

        t0 = time()
        # obsolete flags
        options.MPI = True
        options.nvec = 0
        options.radiuspca = -1
        options.iter = 40
        options.abs = 0.0
        options.squ = 0.0

        if options.fl > 0.0 and options.aa == 0.0:
            ERROR("Fall off has to be given for the low-pass filter",
                  "sx3dvariability", 1, myid)
        if options.VAR and options.SND:
            ERROR("Only one of var and SND can be set!", "sx3dvariability",
                  myid)
            exit()
        if options.VAR and (options.ave2D or options.ave3D or options.var2D):
            ERROR(
                "When VAR is set, the program cannot output ave2D, ave3D or var2D",
                "sx3dvariability", 1, myid)
            exit()
        #if options.SND and (options.ave2D or options.ave3D):
        #	ERROR("When SND is set, the program cannot output ave2D or ave3D", "sx3dvariability", 1, myid)
        #	exit()
        if options.nvec > 0:
            ERROR("PCA option not implemented", "sx3dvariability", 1, myid)
            exit()
        if options.nvec > 0 and options.ave3D == None:
            ERROR("When doing PCA analysis, one must set ave3D",
                  "sx3dvariability",
                  myid=myid)
            exit()
        import string
        options.sym = options.sym.lower()

        # if global_def.CACHE_DISABLE:
        # 	from utilities import disable_bdb_cache
        # 	disable_bdb_cache()
        # global_def.BATCH = True

        if myid == main_node:
            if options.output_dir != "./" and not os.path.exists(
                    options.output_dir):
                os.mkdir(options.output_dir)

        img_per_grp = options.img_per_grp
        nvec = options.nvec
        radiuspca = options.radiuspca

        from logger import Logger, BaseLogger_Files
        #if os.path.exists(os.path.join(options.output_dir, "log.txt")): os.remove(os.path.join(options.output_dir, "log.txt"))
        log_main = Logger(BaseLogger_Files())
        log_main.prefix = os.path.join(options.output_dir, "./")

        if myid == main_node:
            line = ""
            for a in sys.argv:
                line += " " + a
            log_main.add(line)
            log_main.add("-------->>>Settings given by all options<<<-------")
            log_main.add("instack  		    :" + stack)
            log_main.add("output_dir        :" + options.output_dir)
            log_main.add("var3d   		    :" + options.var3D)

        if myid == main_node:
            line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
            #print_begin_msg("sx3dvariability")
            msg = "sx3dvariability"
            log_main.add(msg)
            print(line, msg)
            msg = ("%-70s:  %s\n" % ("Input stack", stack))
            log_main.add(msg)
            print(line, msg)

        symbaselen = 0
        if myid == main_node:
            nima = EMUtil.get_image_count(stack)
            img = get_image(stack)
            nx = img.get_xsize()
            ny = img.get_ysize()
            if options.sym != "c1":
                imgdata = get_im(stack)
                try:
                    i = imgdata.get_attr("variabilitysymmetry").lower()
                    if (i != options.sym):
                        ERROR(
                            "The symmetry provided does not agree with the symmetry of the input stack",
                            "sx3dvariability",
                            myid=myid)
                except:
                    ERROR(
                        "Input stack is not prepared for symmetry, please follow instructions",
                        "sx3dvariability",
                        myid=myid)
                from utilities import get_symt
                i = len(get_symt(options.sym))
                if ((nima / i) * i != nima):
                    ERROR(
                        "The length of the input stack is incorrect for symmetry processing",
                        "sx3dvariability",
                        myid=myid)
                symbaselen = nima / i
            else:
                symbaselen = nima
        else:
            nima = 0
            nx = 0
            ny = 0
        nima = bcast_number_to_all(nima)
        nx = bcast_number_to_all(nx)
        ny = bcast_number_to_all(ny)
        Tracker = {}
        Tracker["total_stack"] = nima
        if options.decimate == 1.:
            if options.window != 0:
                nx = options.window
                ny = options.window
        else:
            if options.window == 0:
                nx = int(nx * options.decimate)
                ny = int(ny * options.decimate)
            else:
                nx = int(options.window * options.decimate)
                ny = nx
        Tracker["nx"] = nx
        Tracker["ny"] = ny
        Tracker["nz"] = nx
        symbaselen = bcast_number_to_all(symbaselen)
        if radiuspca == -1: radiuspca = nx / 2 - 2

        if myid == main_node:
            line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
            msg = "%-70s:  %d\n" % ("Number of projection", nima)
            log_main.add(msg)
            print(line, msg)
        img_begin, img_end = MPI_start_end(nima, number_of_proc, myid)
        """
		if options.SND:
			from projection		import prep_vol, prgs
			from statistics		import im_diff
			from utilities		import get_im, model_circle, get_params_proj, set_params_proj
			from utilities		import get_ctf, generate_ctf
			from filter			import filt_ctf
		
			imgdata = EMData.read_images(stack, range(img_begin, img_end))

			if options.CTF:
				vol = recons3d_4nn_ctf_MPI(myid, imgdata, 1.0, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			else:
				vol = recons3d_4nn_MPI(myid, imgdata, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)

			bcast_EMData_to_all(vol, myid)
			volft, kb = prep_vol(vol)

			mask = model_circle(nx/2-2, nx, ny)
			varList = []
			for i in xrange(img_begin, img_end):
				phi, theta, psi, s2x, s2y = get_params_proj(imgdata[i-img_begin])
				ref_prj = prgs(volft, kb, [phi, theta, psi, -s2x, -s2y])
				if options.CTF:
					ctf_params = get_ctf(imgdata[i-img_begin])
					ref_prj = filt_ctf(ref_prj, generate_ctf(ctf_params))
				diff, A, B = im_diff(ref_prj, imgdata[i-img_begin], mask)
				diff2 = diff*diff
				set_params_proj(diff2, [phi, theta, psi, s2x, s2y])
				varList.append(diff2)
			mpi_barrier(MPI_COMM_WORLD)
		"""
        if options.VAR:
            #varList   = EMData.read_images(stack, range(img_begin, img_end))
            varList = []
            this_image = EMData()
            for index_of_particle in xrange(img_begin, img_end):
                this_image.read_image(stack, index_of_particle)
                varList.append(
                    image_decimate_window_xform_ctf(this_image,
                                                    options.decimate,
                                                    options.window,
                                                    options.CTF))
        else:
            from utilities import bcast_number_to_all, bcast_list_to_all, send_EMData, recv_EMData
            from utilities import set_params_proj, get_params_proj, params_3D_2D, get_params2D, set_params2D, compose_transform2
            from utilities import model_blank, nearest_proj, model_circle
            from applications import pca
            from statistics import avgvar, avgvar_ctf, ccc
            from filter import filt_tanl
            from morphology import threshold, square_root
            from projection import project, prep_vol, prgs
            from sets import Set

            if myid == main_node:
                t1 = time()
                proj_angles = []
                aveList = []
                tab = EMUtil.get_all_attributes(stack, 'xform.projection')
                for i in xrange(nima):
                    t = tab[i].get_params('spider')
                    phi = t['phi']
                    theta = t['theta']
                    psi = t['psi']
                    x = theta
                    if x > 90.0: x = 180.0 - x
                    x = x * 10000 + psi
                    proj_angles.append([x, t['phi'], t['theta'], t['psi'], i])
                t2 = time()
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = "%-70s:  %d\n" % ("Number of neighboring projections",
                                        img_per_grp)
                log_main.add(msg)
                print(line, msg)
                msg = "...... Finding neighboring projections\n"
                log_main.add(msg)
                print(line, msg)
                if options.VERBOSE:
                    msg = "Number of images per group: %d" % img_per_grp
                    log_main.add(msg)
                    print(line, msg)
                    msg = "Now grouping projections"
                    log_main.add(msg)
                    print(line, msg)
                proj_angles.sort()
            proj_angles_list = [0.0] * (nima * 4)
            if myid == main_node:
                for i in xrange(nima):
                    proj_angles_list[i * 4] = proj_angles[i][1]
                    proj_angles_list[i * 4 + 1] = proj_angles[i][2]
                    proj_angles_list[i * 4 + 2] = proj_angles[i][3]
                    proj_angles_list[i * 4 + 3] = proj_angles[i][4]
            proj_angles_list = bcast_list_to_all(proj_angles_list, myid,
                                                 main_node)
            proj_angles = []
            for i in xrange(nima):
                proj_angles.append([
                    proj_angles_list[i * 4], proj_angles_list[i * 4 + 1],
                    proj_angles_list[i * 4 + 2],
                    int(proj_angles_list[i * 4 + 3])
                ])
            del proj_angles_list
            proj_list, mirror_list = nearest_proj(proj_angles, img_per_grp,
                                                  range(img_begin, img_end))

            all_proj = Set()
            for im in proj_list:
                for jm in im:
                    all_proj.add(proj_angles[jm][3])

            all_proj = list(all_proj)
            if options.VERBOSE:
                print("On node %2d, number of images needed to be read = %5d" %
                      (myid, len(all_proj)))

            index = {}
            for i in xrange(len(all_proj)):
                index[all_proj[i]] = i
            mpi_barrier(MPI_COMM_WORLD)

            if myid == main_node:
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("%-70s:  %.2f\n" %
                       ("Finding neighboring projections lasted [s]",
                        time() - t2))
                log_main.add(msg)
                print(msg)
                msg = ("%-70s:  %d\n" %
                       ("Number of groups processed on the main node",
                        len(proj_list)))
                log_main.add(msg)
                print(line, msg)
                if options.VERBOSE:
                    print("Grouping projections took: ", (time() - t2) / 60,
                          "[min]")
                    print("Number of groups on main node: ", len(proj_list))
            mpi_barrier(MPI_COMM_WORLD)

            if myid == main_node:
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("...... calculating the stack of 2D variances \n")
                log_main.add(msg)
                print(line, msg)
                if options.VERBOSE:
                    print("Now calculating the stack of 2D variances")

            proj_params = [0.0] * (nima * 5)
            aveList = []
            varList = []
            if nvec > 0:
                eigList = [[] for i in xrange(nvec)]

            if options.VERBOSE:
                print("Begin to read images on processor %d" % (myid))
            ttt = time()
            #imgdata = EMData.read_images(stack, all_proj)
            imgdata = []
            for index_of_proj in xrange(len(all_proj)):
                #img     = EMData()
                #img.read_image(stack, all_proj[index_of_proj])
                dmg = image_decimate_window_xform_ctf(
                    get_im(stack, all_proj[index_of_proj]), options.decimate,
                    options.window, options.CTF)
                #print dmg.get_xsize(), "init"
                imgdata.append(dmg)
            if options.VERBOSE:
                print("Reading images on processor %d done, time = %.2f" %
                      (myid, time() - ttt))
                print("On processor %d, we got %d images" %
                      (myid, len(imgdata)))
            mpi_barrier(MPI_COMM_WORLD)
            '''	
			imgdata2 = EMData.read_images(stack, range(img_begin, img_end))
			if options.fl > 0.0:
				for k in xrange(len(imgdata2)):
					imgdata2[k] = filt_tanl(imgdata2[k], options.fl, options.aa)
			if options.CTF:
				vol = recons3d_4nn_ctf_MPI(myid, imgdata2, 1.0, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			else:
				vol = recons3d_4nn_MPI(myid, imgdata2, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			if myid == main_node:
				vol.write_image("vol_ctf.hdf")
				print_msg("Writing to the disk volume reconstructed from averages as		:  %s\n"%("vol_ctf.hdf"))
			del vol, imgdata2
			mpi_barrier(MPI_COMM_WORLD)
			'''
            from applications import prepare_2d_forPCA
            from utilities import model_blank
            for i in xrange(len(proj_list)):
                ki = proj_angles[proj_list[i][0]][3]
                if ki >= symbaselen: continue
                mi = index[ki]
                phiM, thetaM, psiM, s2xM, s2yM = get_params_proj(imgdata[mi])

                grp_imgdata = []
                for j in xrange(img_per_grp):
                    mj = index[proj_angles[proj_list[i][j]][3]]
                    phi, theta, psi, s2x, s2y = get_params_proj(imgdata[mj])
                    alpha, sx, sy, mirror = params_3D_2D_NEW(
                        phi, theta, psi, s2x, s2y, mirror_list[i][j])
                    if thetaM <= 90:
                        if mirror == 0:
                            alpha, sx, sy, scale = compose_transform2(
                                alpha, sx, sy, 1.0, phiM - phi, 0.0, 0.0, 1.0)
                        else:
                            alpha, sx, sy, scale = compose_transform2(
                                alpha, sx, sy, 1.0, 180 - (phiM - phi), 0.0,
                                0.0, 1.0)
                    else:
                        if mirror == 0:
                            alpha, sx, sy, scale = compose_transform2(
                                alpha, sx, sy, 1.0, -(phiM - phi), 0.0, 0.0,
                                1.0)
                        else:
                            alpha, sx, sy, scale = compose_transform2(
                                alpha, sx, sy, 1.0, -(180 - (phiM - phi)), 0.0,
                                0.0, 1.0)
                    set_params2D(imgdata[mj], [alpha, sx, sy, mirror, 1.0])
                    grp_imgdata.append(imgdata[mj])
                    #print grp_imgdata[j].get_xsize(), imgdata[mj].get_xsize()

                if not options.no_norm:
                    #print grp_imgdata[j].get_xsize()
                    mask = model_circle(nx / 2 - 2, nx, nx)
                    for k in xrange(img_per_grp):
                        ave, std, minn, maxx = Util.infomask(
                            grp_imgdata[k], mask, False)
                        grp_imgdata[k] -= ave
                        grp_imgdata[k] /= std
                    del mask

                if options.fl > 0.0:
                    from filter import filt_ctf, filt_table
                    from fundamentals import fft, window2d
                    nx2 = 2 * nx
                    ny2 = 2 * ny
                    if options.CTF:
                        from utilities import pad
                        for k in xrange(img_per_grp):
                            grp_imgdata[k] = window2d(
                                fft(
                                    filt_tanl(
                                        filt_ctf(
                                            fft(
                                                pad(grp_imgdata[k], nx2, ny2,
                                                    1, 0.0)),
                                            grp_imgdata[k].get_attr("ctf"),
                                            binary=1), options.fl,
                                        options.aa)), nx, ny)
                            #grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
                            #grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)
                    else:
                        for k in xrange(img_per_grp):
                            grp_imgdata[k] = filt_tanl(grp_imgdata[k],
                                                       options.fl, options.aa)
                            #grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
                            #grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)
                else:
                    from utilities import pad, read_text_file
                    from filter import filt_ctf, filt_table
                    from fundamentals import fft, window2d
                    nx2 = 2 * nx
                    ny2 = 2 * ny
                    if options.CTF:
                        from utilities import pad
                        for k in xrange(img_per_grp):
                            grp_imgdata[k] = window2d(
                                fft(
                                    filt_ctf(fft(
                                        pad(grp_imgdata[k], nx2, ny2, 1, 0.0)),
                                             grp_imgdata[k].get_attr("ctf"),
                                             binary=1)), nx, ny)
                            #grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
                            #grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)
                '''
				if i < 10 and myid == main_node:
					for k in xrange(10):
						grp_imgdata[k].write_image("grp%03d.hdf"%i, k)
				'''
                """
				if myid == main_node and i==0:
					for pp in xrange(len(grp_imgdata)):
						grp_imgdata[pp].write_image("pp.hdf", pp)
				"""
                ave, grp_imgdata = prepare_2d_forPCA(grp_imgdata)
                """
				if myid == main_node and i==0:
					for pp in xrange(len(grp_imgdata)):
						grp_imgdata[pp].write_image("qq.hdf", pp)
				"""

                var = model_blank(nx, ny)
                for q in grp_imgdata:
                    Util.add_img2(var, q)
                Util.mul_scalar(var, 1.0 / (len(grp_imgdata) - 1))
                # Switch to std dev
                var = square_root(threshold(var))
                #if options.CTF:	ave, var = avgvar_ctf(grp_imgdata, mode="a")
                #else:	            ave, var = avgvar(grp_imgdata, mode="a")
                """
				if myid == main_node:
					ave.write_image("avgv.hdf",i)
					var.write_image("varv.hdf",i)
				"""

                set_params_proj(ave, [phiM, thetaM, 0.0, 0.0, 0.0])
                set_params_proj(var, [phiM, thetaM, 0.0, 0.0, 0.0])

                aveList.append(ave)
                varList.append(var)

                if options.VERBOSE:
                    print("%5.2f%% done on processor %d" %
                          (i * 100.0 / len(proj_list), myid))
                if nvec > 0:
                    eig = pca(input_stacks=grp_imgdata,
                              subavg="",
                              mask_radius=radiuspca,
                              nvec=nvec,
                              incore=True,
                              shuffle=False,
                              genbuf=True)
                    for k in xrange(nvec):
                        set_params_proj(eig[k], [phiM, thetaM, 0.0, 0.0, 0.0])
                        eigList[k].append(eig[k])
                    """
					if myid == 0 and i == 0:
						for k in xrange(nvec):
							eig[k].write_image("eig.hdf", k)
					"""

            del imgdata
            #  To this point, all averages, variances, and eigenvectors are computed

            if options.ave2D:
                from fundamentals import fpol
                if myid == main_node:
                    km = 0
                    for i in xrange(number_of_proc):
                        if i == main_node:
                            for im in xrange(len(aveList)):
                                aveList[im].write_image(
                                    os.path.join(options.output_dir,
                                                 options.ave2D), km)
                                km += 1
                        else:
                            nl = mpi_recv(1, MPI_INT, i,
                                          SPARX_MPI_TAG_UNIVERSAL,
                                          MPI_COMM_WORLD)
                            nl = int(nl[0])
                            for im in xrange(nl):
                                ave = recv_EMData(i, im + i + 70000)
                                """
								nm = mpi_recv(1, MPI_INT, i, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
								nm = int(nm[0])
								members = mpi_recv(nm, MPI_INT, i, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
								ave.set_attr('members', map(int, members))
								members = mpi_recv(nm, MPI_FLOAT, i, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
								ave.set_attr('pix_err', map(float, members))
								members = mpi_recv(3, MPI_FLOAT, i, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
								ave.set_attr('refprojdir', map(float, members))
								"""
                                tmpvol = fpol(ave, Tracker["nx"],
                                              Tracker["nx"], 1)
                                tmpvol.write_image(
                                    os.path.join(options.output_dir,
                                                 options.ave2D), km)
                                km += 1
                else:
                    mpi_send(len(aveList), 1, MPI_INT, main_node,
                             SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                    for im in xrange(len(aveList)):
                        send_EMData(aveList[im], main_node, im + myid + 70000)
                        """
						members = aveList[im].get_attr('members')
						mpi_send(len(members), 1, MPI_INT, main_node, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
						mpi_send(members, len(members), MPI_INT, main_node, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
						members = aveList[im].get_attr('pix_err')
						mpi_send(members, len(members), MPI_FLOAT, main_node, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
						try:
							members = aveList[im].get_attr('refprojdir')
							mpi_send(members, 3, MPI_FLOAT, main_node, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
						except:
							mpi_send([-999.0,-999.0,-999.0], 3, MPI_FLOAT, main_node, SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
						"""

            if options.ave3D:
                from fundamentals import fpol
                if options.VERBOSE:
                    print("Reconstructing 3D average volume")
                ave3D = recons3d_4nn_MPI(myid,
                                         aveList,
                                         symmetry=options.sym,
                                         npad=options.npad)
                bcast_EMData_to_all(ave3D, myid)
                if myid == main_node:
                    line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                    ave3D = fpol(ave3D, Tracker["nx"], Tracker["nx"],
                                 Tracker["nx"])
                    ave3D.write_image(
                        os.path.join(options.output_dir, options.ave3D))
                    msg = ("%-70s:  %s\n" % (
                        "Writing to the disk volume reconstructed from averages as",
                        options.ave3D))
                    log_main.add(msg)
                    print(line, msg)
            del ave, var, proj_list, stack, phi, theta, psi, s2x, s2y, alpha, sx, sy, mirror, aveList

            if nvec > 0:
                for k in xrange(nvec):
                    if options.VERBOSE:
                        print("Reconstruction eigenvolumes", k)
                    cont = True
                    ITER = 0
                    mask2d = model_circle(radiuspca, nx, nx)
                    while cont:
                        #print "On node %d, iteration %d"%(myid, ITER)
                        eig3D = recons3d_4nn_MPI(myid,
                                                 eigList[k],
                                                 symmetry=options.sym,
                                                 npad=options.npad)
                        bcast_EMData_to_all(eig3D, myid, main_node)
                        if options.fl > 0.0:
                            eig3D = filt_tanl(eig3D, options.fl, options.aa)
                        if myid == main_node:
                            eig3D.write_image(
                                os.path.join(options.outpout_dir,
                                             "eig3d_%03d.hdf" % (k, ITER)))
                        Util.mul_img(eig3D,
                                     model_circle(radiuspca, nx, nx, nx))
                        eig3Df, kb = prep_vol(eig3D)
                        del eig3D
                        cont = False
                        icont = 0
                        for l in xrange(len(eigList[k])):
                            phi, theta, psi, s2x, s2y = get_params_proj(
                                eigList[k][l])
                            proj = prgs(eig3Df, kb,
                                        [phi, theta, psi, s2x, s2y])
                            cl = ccc(proj, eigList[k][l], mask2d)
                            if cl < 0.0:
                                icont += 1
                                cont = True
                                eigList[k][l] *= -1.0
                        u = int(cont)
                        u = mpi_reduce([u], 1, MPI_INT, MPI_MAX, main_node,
                                       MPI_COMM_WORLD)
                        icont = mpi_reduce([icont], 1, MPI_INT, MPI_SUM,
                                           main_node, MPI_COMM_WORLD)

                        if myid == main_node:
                            line = strftime("%Y-%m-%d_%H:%M:%S",
                                            localtime()) + " =>"
                            u = int(u[0])
                            msg = (" Eigenvector: ", k, " number changed ",
                                   int(icont[0]))
                            log_main.add(msg)
                            print(line, msg)
                        else:
                            u = 0
                        u = bcast_number_to_all(u, main_node)
                        cont = bool(u)
                        ITER += 1

                    del eig3Df, kb
                    mpi_barrier(MPI_COMM_WORLD)
                del eigList, mask2d

            if options.ave3D: del ave3D
            if options.var2D:
                from fundamentals import fpol
                if myid == main_node:
                    km = 0
                    for i in xrange(number_of_proc):
                        if i == main_node:
                            for im in xrange(len(varList)):
                                tmpvol = fpol(varList[im], Tracker["nx"],
                                              Tracker["nx"], 1)
                                tmpvol.write_image(
                                    os.path.join(options.output_dir,
                                                 options.var2D), km)
                                km += 1
                        else:
                            nl = mpi_recv(1, MPI_INT, i,
                                          SPARX_MPI_TAG_UNIVERSAL,
                                          MPI_COMM_WORLD)
                            nl = int(nl[0])
                            for im in xrange(nl):
                                ave = recv_EMData(i, im + i + 70000)
                                tmpvol = fpol(ave, Tracker["nx"],
                                              Tracker["nx"], 1)
                                tmpvol.write_image(
                                    os.path.join(options.output_dir,
                                                 options.var2D, km))
                                km += 1
                else:
                    mpi_send(len(varList), 1, MPI_INT, main_node,
                             SPARX_MPI_TAG_UNIVERSAL, MPI_COMM_WORLD)
                    for im in xrange(len(varList)):
                        send_EMData(varList[im], main_node, im + myid +
                                    70000)  #  What with the attributes??

            mpi_barrier(MPI_COMM_WORLD)

        if options.var3D:
            if myid == main_node and options.VERBOSE:
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("Reconstructing 3D variability volume")
                log_main.add(msg)
                print(line, msg)
            t6 = time()
            # radiusvar = options.radius
            # if( radiusvar < 0 ):  radiusvar = nx//2 -3
            res = recons3d_4nn_MPI(myid,
                                   varList,
                                   symmetry=options.sym,
                                   npad=options.npad)
            #res = recons3d_em_MPI(varList, vol_stack, options.iter, radiusvar, options.abs, True, options.sym, options.squ)
            if myid == main_node:
                from fundamentals import fpol
                res = fpol(res, Tracker["nx"], Tracker["nx"], Tracker["nx"])
                res.write_image(os.path.join(options.output_dir,
                                             options.var3D))

            if myid == main_node:
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("%-70s:  %.2f\n" %
                       ("Reconstructing 3D variability took [s]", time() - t6))
                log_main.add(msg)
                print(line, msg)
                if options.VERBOSE:
                    print("Reconstruction took: %.2f [min]" %
                          ((time() - t6) / 60))

            if myid == main_node:
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("%-70s:  %.2f\n" %
                       ("Total time for these computations [s]", time() - t0))
                print(line, msg)
                log_main.add(msg)
                if options.VERBOSE:
                    print("Total time for these computations: %.2f [min]" %
                          ((time() - t0) / 60))
                line = strftime("%Y-%m-%d_%H:%M:%S", localtime()) + " =>"
                msg = ("sx3dvariability")
                print(line, msg)
                log_main.add(msg)

        from mpi import mpi_finalize
        mpi_finalize()

        if RUNNING_UNDER_MPI:
            global_def.MPI = False

        global_def.BATCH = False
Ejemplo n.º 9
0
def image_decimate_window_xform_ctf(img,
                                    decimation=2,
                                    window_size=0,
                                    CTF=False):
    """
                Window 2D image to FFT-friendly size, apply Butterworth low pass filter,
                and decimate image by integer factor
        """
    from filter import filt_btwl
    from fundamentals import smallprime, window2d
    from utilities import get_image, get_params_proj, set_params_proj, get_ctf, set_ctf
    if decimation == 1:
        if window_size == 0:
            return img
        else:
            [phi, theta, psi, tx, ty] = get_params_proj(img)
            if CTF:
                [
                    defocus, cs, voltage, pixel_size, bfactor, ampconst,
                    dfdiff, dfang
                ] = get_ctf(img)
            new_params = [phi, theta, psi, tx / decimation, ty / decimation]
            img = Util.window(img, window_size, window_size, 1, 0, 0, 0)
            set_params_proj(img, new_params)
            if CTF:
                ctf_params = [
                    defocus, cs, voltage, pixel_size * decimation, bfactor,
                    ampconst, dfdiff, dfang
                ]
                set_ctf(img, ctf_params)
            return img
    else:
        nz = img.get_zsize()
        if (nz > 1):
            ERROR("This command works only for 2-D images", "image_decimate",
                  1)
        if decimation <= 1:
            ERROR("Improper decimation ratio", "image_decimate", 1)
        [phi, theta, psi, tx, ty] = get_params_proj(img)
        new_params = [phi, theta, psi, tx / decimation, ty / decimation]
        if CTF:
            [
                defocus, cs, voltage, pixel_size, bfactor, ampconst, dfdiff,
                dfang
            ] = get_ctf(img)
        frequency_low = 0.5 / decimation - 0.02
        if frequency_low <= 0:
            ERROR("Butterworth passband frequency is too low",
                  "image_decimation", 1)
        frequency_high = min(0.5 / decimation + 0.02, 0.499)
        if window_size > 0:
            img = Util.window(img, window_size, window_size, 1, 0, 0, 0)
        e = filt_btwl(img, frequency_low, frequency_high)
        decimated_image = Util.decimate(e, int(decimation), int(decimation), 1)
        set_params_proj(decimated_image, new_params)
        if CTF:
            ctf_params = [
                defocus, cs, voltage, pixel_size * decimation, bfactor,
                ampconst, dfdiff, dfang
            ]
            set_ctf(decimated_image, ctf_params)
        return decimated_image
Ejemplo n.º 10
0
def cml_open_proj(stack, ir, ou, lf, hf, dpsi = 1):
	from projection   import cml_sinogram
	from utilities    import model_circle, get_params_proj, model_blank, get_im
	from fundamentals import fftip
	from filter       import filt_tanh

	# number of projections
	if  type(stack) == type(""): nprj = EMUtil.get_image_count(stack)
	else:                       nprj = len(stack)
	Prj  = []                                          # list of projections
	Ori  = [-1] * 4 * nprj                             # orientation intial (phi, theta, psi, index) for each projection

	for i in xrange(nprj):
		image = get_im(stack, i)

		# read initial angles if given
		try:	Ori[4*i], Ori[4*i+1], Ori[4*i+2], s2x, s2y = get_params_proj(image)
		except:	pass
		
		if(i == 0):
			nx = image.get_xsize()
			if(ou < 1): ou = nx // 2 - 1
			diameter = int(2 * ou)
			mask2D   = model_circle(ou, nx, nx)
			if ir > 0:  mask2D -= model_circle(ir, nx, nx)

		# normalize under the mask
		[mean_a, sigma, imin, imax] = Util.infomask(image, mask2D, True)
		image -= mean_a
		Util.mul_scalar(image, 1.0/sigma)
		Util.mul_img(image, mask2D)

		# sinogram
		sino = cml_sinogram(image, diameter, dpsi)

		# prepare the cut positions in order to filter (lf: low freq; hf: high freq)
		ihf = min(int(2 * hf * diameter), diameter + (diameter + 1) % 2)
		ihf = ihf + (ihf + 1) % 2    # index ihf must be odd to take the img part
		ilf = max(int(2 * lf * diameter), 0)
		ilf = ilf + ilf % 2          # index ilf must be even to fall in the real part
		bdf = ihf - ilf + 1

		# process lines
		nxe = sino.get_xsize()
		nye = sino.get_ysize()
		prj = model_blank(bdf, 2*nye)
		pp = model_blank(nxe, 2*nye)
		for li in xrange(nye):
			# get the line li
			line = Util.window(sino, nxe, 1, 1, 0, li-nye//2, 0)
			# u2 (not improve the results)
			#line = filt_tanh(line, ou / float(nx), ou / float(nx))
			# normalize this line
			[mean_l, sigma_l, imin, imax] = Util.infomask(line, None, True)
			line = (line - mean_l) / sigma_l
			# fft
			fftip(line)
			# filter (cut part of coef) and create mirror line
			Util.cml_prepare_line(prj, line, ilf, ihf, li, nye)

		# store the projection
		Prj.append(prj)

	return Prj, Ori
Ejemplo n.º 11
0
def main():
	import	global_def
	from	optparse 	import OptionParser
	from	EMAN2 		import EMUtil
	import	os
	import	sys
	from time import time

	progname = os.path.basename(sys.argv[0])
	usage = progname + " proj_stack output_averages --MPI"
	parser = OptionParser(usage, version=SPARXVERSION)

	parser.add_option("--img_per_group",type="int"         ,	default=100  ,				help="number of images per group" )
	parser.add_option("--radius", 		type="int"         ,	default=-1   ,				help="radius for alignment" )
	parser.add_option("--xr",           type="string"      ,    default="2 1",              help="range for translation search in x direction, search is +/xr")
	parser.add_option("--yr",           type="string"      ,    default="-1",               help="range for translation search in y direction, search is +/yr (default = same as xr)")
	parser.add_option("--ts",           type="string"      ,    default="1 0.5",            help="step size of the translation search in both directions, search is -xr, -xr+ts, 0, xr-ts, xr, can be fractional")
	parser.add_option("--iter", 		type="int"         ,	default=30,                 help="number of iterations within alignment (default = 30)" )
	parser.add_option("--num_ali",      type="int"     	   ,    default=5,         			help="number of alignments performed for stability (default = 5)" )
	parser.add_option("--thld_err",     type="float"       ,    default=1.0,         		help="threshold of pixel error (default = 1.732)" )
	parser.add_option("--grouping" , 	type="string"      ,	default="GRP",				help="do grouping of projections: PPR - per projection, GRP - different size groups, exclusive (default), GEV - grouping equal size")
	parser.add_option("--delta",        type="float"       ,    default=-1.0,         		help="angular step for reference projections (required for GEV method)")
	parser.add_option("--fl",           type="float"       ,    default=0.3,                help="cut-off frequency of hyperbolic tangent low-pass Fourier filter")
	parser.add_option("--aa",           type="float"       ,    default=0.2,                help="fall-off of hyperbolic tangent low-pass Fourier filter")
	parser.add_option("--CTF",          action="store_true",    default=False,              help="Consider CTF correction during the alignment ")
	parser.add_option("--MPI" , 		action="store_true",	default=False,				help="use MPI version")

	(options,args) = parser.parse_args()
	
	from mpi          import mpi_init, mpi_comm_rank, mpi_comm_size, MPI_COMM_WORLD, MPI_TAG_UB
	from mpi          import mpi_barrier, mpi_send, mpi_recv, mpi_bcast, MPI_INT, mpi_finalize, MPI_FLOAT
	from applications import MPI_start_end, within_group_refinement, ali2d_ras
	from pixel_error  import multi_align_stability
	from utilities    import send_EMData, recv_EMData
	from utilities    import get_image, bcast_number_to_all, set_params2D, get_params2D
	from utilities    import group_proj_by_phitheta, model_circle, get_input_from_string

	sys.argv = mpi_init(len(sys.argv), sys.argv)
	myid = mpi_comm_rank(MPI_COMM_WORLD)
	number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
	main_node = 0

	if len(args) == 2:
		stack  = args[0]
		outdir = args[1]
	else:
		ERROR("incomplete list of arguments", "sxproj_stability", 1, myid=myid)
		exit()
	if not options.MPI:
		ERROR("Non-MPI not supported!", "sxproj_stability", myid=myid)
		exit()		 

	if global_def.CACHE_DISABLE:
		from utilities import disable_bdb_cache
		disable_bdb_cache()
	global_def.BATCH = True

	#if os.path.exists(outdir):  ERROR('Output directory exists, please change the name and restart the program', "sxproj_stability", 1, myid)
	#mpi_barrier(MPI_COMM_WORLD)

	
	img_per_grp = options.img_per_group
	radius = options.radius
	ite = options.iter
	num_ali = options.num_ali
	thld_err = options.thld_err

	xrng        = get_input_from_string(options.xr)
	if  options.yr == "-1":  yrng = xrng
	else          :  yrng = get_input_from_string(options.yr)
	step        = get_input_from_string(options.ts)


	if myid == main_node:
		nima = EMUtil.get_image_count(stack)
		img  = get_image(stack)
		nx   = img.get_xsize()
		ny   = img.get_ysize()
	else:
		nima = 0
		nx = 0
		ny = 0
	nima = bcast_number_to_all(nima)
	nx   = bcast_number_to_all(nx)
	ny   = bcast_number_to_all(ny)
	if radius == -1: radius = nx/2-2
	mask = model_circle(radius, nx, nx)

	st = time()
	if options.grouping == "GRP":
		if myid == main_node:
			print "  A  ",myid,"  ",time()-st
			proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
			proj_params = []
			for i in xrange(nima):
				dp = proj_attr[i].get_params("spider")
				phi, theta, psi, s2x, s2y = dp["phi"], dp["theta"], dp["psi"], -dp["tx"], -dp["ty"]
				proj_params.append([phi, theta, psi, s2x, s2y])

			# Here is where the grouping is done, I didn't put enough annotation in the group_proj_by_phitheta,
			# So I will briefly explain it here
			# proj_list  : Returns a list of list of particle numbers, each list contains img_per_grp particle numbers
			#              except for the last one. Depending on the number of particles left, they will either form a
			#              group or append themselves to the last group
			# angle_list : Also returns a list of list, each list contains three numbers (phi, theta, delta), (phi, 
			#              theta) is the projection angle of the center of the group, delta is the range of this group
			# mirror_list: Also returns a list of list, each list contains img_per_grp True or False, which indicates
			#              whether it should take mirror position.
			# In this program angle_list and mirror list are not of interest.

			proj_list_all, angle_list, mirror_list = group_proj_by_phitheta(proj_params, img_per_grp=img_per_grp)
			del proj_params
			print "  B  number of groups  ",myid,"  ",len(proj_list_all),time()-st
		mpi_barrier(MPI_COMM_WORLD)

		# Number of groups, actually there could be one or two more groups, since the size of the remaining group varies
		# we will simply assign them to main node.
		n_grp = nima/img_per_grp-1

		# Divide proj_list_all equally to all nodes, and becomes proj_list
		proj_list = []
		for i in xrange(n_grp):
			proc_to_stay = i%number_of_proc
			if proc_to_stay == main_node:
				if myid == main_node: 	proj_list.append(proj_list_all[i])
			elif myid == main_node:
				mpi_send(len(proj_list_all[i]), 1, MPI_INT, proc_to_stay, MPI_TAG_UB, MPI_COMM_WORLD)
				mpi_send(proj_list_all[i], len(proj_list_all[i]), MPI_INT, proc_to_stay, MPI_TAG_UB, MPI_COMM_WORLD)
			elif myid == proc_to_stay:
				img_per_grp = mpi_recv(1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
				img_per_grp = int(img_per_grp[0])
				temp = mpi_recv(img_per_grp, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
				proj_list.append(map(int, temp))
				del temp
			mpi_barrier(MPI_COMM_WORLD)
		print "  C  ",myid,"  ",time()-st
		if myid == main_node:
			# Assign the remaining groups to main_node
			for i in xrange(n_grp, len(proj_list_all)):
				proj_list.append(proj_list_all[i])
			del proj_list_all, angle_list, mirror_list


	#   Compute stability per projection projection direction, equal number assigned, thus overlaps
	elif options.grouping == "GEV":
		if options.delta == -1.0: ERROR("Angular step for reference projections is required for GEV method","sxproj_stability",1)
		from utilities import even_angles, nearestk_to_refdir, getvec
		refproj = even_angles(options.delta)
		img_begin, img_end = MPI_start_end(len(refproj), number_of_proc, myid)
		# Now each processor keeps its own share of reference projections
		refprojdir = refproj[img_begin: img_end]
		del refproj

		ref_ang = [0.0]*(len(refprojdir)*2)
		for i in xrange(len(refprojdir)):
			ref_ang[i*2]   = refprojdir[0][0]
			ref_ang[i*2+1] = refprojdir[0][1]+i*0.1

		print "  A  ",myid,"  ",time()-st
		proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
		#  the solution below is very slow, do not use it unless there is a problem with the i/O
		"""
		for i in xrange(number_of_proc):
			if myid == i:
				proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
			mpi_barrier(MPI_COMM_WORLD)
		"""
		print "  B  ",myid,"  ",time()-st

		proj_ang = [0.0]*(nima*2)
		for i in xrange(nima):
			dp = proj_attr[i].get_params("spider")
			proj_ang[i*2]   = dp["phi"]
			proj_ang[i*2+1] = dp["theta"]
		print "  C  ",myid,"  ",time()-st
		asi = Util.nearestk_to_refdir(proj_ang, ref_ang, img_per_grp)
		del proj_ang, ref_ang
		proj_list = []
		for i in xrange(len(refprojdir)):
			proj_list.append(asi[i*img_per_grp:(i+1)*img_per_grp])
		del asi
		print "  D  ",myid,"  ",time()-st
		#from sys import exit
		#exit()


	#   Compute stability per projection
	elif options.grouping == "PPR":
		print "  A  ",myid,"  ",time()-st
		proj_attr = EMUtil.get_all_attributes(stack, "xform.projection")
		print "  B  ",myid,"  ",time()-st
		proj_params = []
		for i in xrange(nima):
			dp = proj_attr[i].get_params("spider")
			phi, theta, psi, s2x, s2y = dp["phi"], dp["theta"], dp["psi"], -dp["tx"], -dp["ty"]
			proj_params.append([phi, theta, psi, s2x, s2y])
		img_begin, img_end = MPI_start_end(nima, number_of_proc, myid)
		print "  C  ",myid,"  ",time()-st
		from utilities import nearest_proj
		proj_list, mirror_list = nearest_proj(proj_params, img_per_grp, range(img_begin, img_begin+1))#range(img_begin, img_end))
		refprojdir = proj_params[img_begin: img_end]
		del proj_params, mirror_list
		print "  D  ",myid,"  ",time()-st
	else:  ERROR("Incorrect projection grouping option","sxproj_stability",1)
	"""
	from utilities import write_text_file
	for i in xrange(len(proj_list)):
		write_text_file(proj_list[i],"projlist%06d_%04d"%(i,myid))
	"""

	###########################################################################################################
	# Begin stability test
	from utilities import get_params_proj, read_text_file
	#if myid == 0:
	#	from utilities import read_text_file
	#	proj_list[0] = map(int, read_text_file("lggrpp0.txt"))


	from utilities import model_blank
	aveList = [model_blank(nx,ny)]*len(proj_list)
	if options.grouping == "GRP":  refprojdir = [[0.0,0.0,-1.0]]*len(proj_list)
	for i in xrange(len(proj_list)):
		print "  E  ",myid,"  ",time()-st
		class_data = EMData.read_images(stack, proj_list[i])
		#print "  R  ",myid,"  ",time()-st
		if options.CTF :
			from filter import filt_ctf
			for im in xrange(len(class_data)):  #  MEM LEAK!!
				atemp = class_data[im].copy()
				btemp = filt_ctf(atemp, atemp.get_attr("ctf"), binary=1)
				class_data[im] = btemp
				#class_data[im] = filt_ctf(class_data[im], class_data[im].get_attr("ctf"), binary=1)
		for im in class_data:
			try:
				t = im.get_attr("xform.align2d") # if they are there, no need to set them!
			except:
				try:
					t = im.get_attr("xform.projection")
					d = t.get_params("spider")
					set_params2D(im, [0.0,-d["tx"],-d["ty"],0,1.0])
				except:
					set_params2D(im, [0.0, 0.0, 0.0, 0, 1.0])
		#print "  F  ",myid,"  ",time()-st
		# Here, we perform realignment num_ali times
		all_ali_params = []
		for j in xrange(num_ali):
			if( xrng[0] == 0.0 and yrng[0] == 0.0 ):
				avet = ali2d_ras(class_data, randomize = True, ir = 1, ou = radius, rs = 1, step = 1.0, dst = 90.0, maxit = ite, check_mirror = True, FH=options.fl, FF=options.aa)
			else:
				avet = within_group_refinement(class_data, mask, True, 1, radius, 1, xrng, yrng, step, 90.0, ite, options.fl, options.aa)
			ali_params = []
			for im in xrange(len(class_data)):
				alpha, sx, sy, mirror, scale = get_params2D(class_data[im])
				ali_params.extend( [alpha, sx, sy, mirror] )
			all_ali_params.append(ali_params)
		#aveList[i] = avet
		#print "  G  ",myid,"  ",time()-st
		del ali_params
		# We determine the stability of this group here.
		# stable_set contains all particles deemed stable, it is a list of list
		# each list has two elements, the first is the pixel error, the second is the image number
		# stable_set is sorted based on pixel error
		#from utilities import write_text_file
		#write_text_file(all_ali_params, "all_ali_params%03d.txt"%myid)
		stable_set, mir_stab_rate, average_pix_err = multi_align_stability(all_ali_params, 0.0, 10000.0, thld_err, False, 2*radius+1)
		#print "  H  ",myid,"  ",time()-st
		if(len(stable_set) > 5):
			stable_set_id = []
			members = []
			pix_err = []
			# First put the stable members into attr 'members' and 'pix_err'
			for s in stable_set:
				# s[1] - number in this subset
				stable_set_id.append(s[1])
				# the original image number
				members.append(proj_list[i][s[1]])
				pix_err.append(s[0])
			# Then put the unstable members into attr 'members' and 'pix_err'
			from fundamentals import rot_shift2D
			avet.to_zero()
			if options.grouping == "GRP":
				aphi = 0.0
				atht = 0.0
				vphi = 0.0
				vtht = 0.0
			l = -1
			for j in xrange(len(proj_list[i])):
				#  Here it will only work if stable_set_id is sorted in the increasing number, see how l progresses
				if j in stable_set_id:
					l += 1
					avet += rot_shift2D(class_data[j], stable_set[l][2][0], stable_set[l][2][1], stable_set[l][2][2], stable_set[l][2][3] )
					if options.grouping == "GRP":
						phi, theta, psi, sxs, sys = get_params_proj(class_data[j])
						if( theta > 90.0):
							phi = (phi+540.0)%360.0
							theta = 180.0 - theta
						aphi += phi
						atht += theta
						vphi += phi*phi
						vtht += theta*theta
				else:
					members.append(proj_list[i][j])
					pix_err.append(99999.99)
			aveList[i] = avet.copy()
			if l>1 :
				l += 1
				aveList[i] /= l
				if options.grouping == "GRP":
					aphi /= l
					atht /= l
					vphi = (vphi - l*aphi*aphi)/l
					vtht = (vtht - l*atht*atht)/l
					from math import sqrt
					refprojdir[i] = [aphi, atht, (sqrt(max(vphi,0.0))+sqrt(max(vtht,0.0)))/2.0]

			# Here more information has to be stored, PARTICULARLY WHAT IS THE REFERENCE DIRECTION
			aveList[i].set_attr('members', members)
			aveList[i].set_attr('refprojdir',refprojdir[i])
			aveList[i].set_attr('pixerr', pix_err)
		else:
			print  " empty group ",i, refprojdir[i]
			aveList[i].set_attr('members',[-1])
			aveList[i].set_attr('refprojdir',refprojdir[i])
			aveList[i].set_attr('pixerr', [99999.])

	del class_data

	if myid == main_node:
		km = 0
		for i in xrange(number_of_proc):
			if i == main_node :
				for im in xrange(len(aveList)):
					aveList[im].write_image(args[1], km)
					km += 1
			else:
				nl = mpi_recv(1, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
				nl = int(nl[0])
				for im in xrange(nl):
					ave = recv_EMData(i, im+i+70000)
					nm = mpi_recv(1, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
					nm = int(nm[0])
					members = mpi_recv(nm, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
					ave.set_attr('members', map(int, members))
					members = mpi_recv(nm, MPI_FLOAT, i, MPI_TAG_UB, MPI_COMM_WORLD)
					ave.set_attr('pixerr', map(float, members))
					members = mpi_recv(3, MPI_FLOAT, i, MPI_TAG_UB, MPI_COMM_WORLD)
					ave.set_attr('refprojdir', map(float, members))
					ave.write_image(args[1], km)
					km += 1
	else:
		mpi_send(len(aveList), 1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
		for im in xrange(len(aveList)):
			send_EMData(aveList[im], main_node,im+myid+70000)
			members = aveList[im].get_attr('members')
			mpi_send(len(members), 1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
			mpi_send(members, len(members), MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
			members = aveList[im].get_attr('pixerr')
			mpi_send(members, len(members), MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
			try:
				members = aveList[im].get_attr('refprojdir')
				mpi_send(members, 3, MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
			except:
				mpi_send([-999.0,-999.0,-999.0], 3, MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)

	global_def.BATCH = False
	mpi_barrier(MPI_COMM_WORLD)
	from mpi import mpi_finalize
	mpi_finalize()
Ejemplo n.º 12
0
def proj_ali_incore(data, refrings, numr, xrng, yrng, step, finfo=None):
    from utilities import compose_transform2

    ID = data.get_attr("ID")
    if finfo:
        from utilities import get_params_proj
        phi, theta, psi, s2x, s2y = get_params_proj(data)
        finfo.write("Image id: %6d\n" % (ID))
        finfo.write("Old parameters: %9.4f %9.4f %9.4f %9.4f %9.4f\n" %
                    (phi, theta, psi, s2x, s2y))
        finfo.flush()

    mode = "F"
    #  center is in SPIDER convention
    nx = data.get_xsize()
    ny = data.get_ysize()
    cnx = nx // 2 + 1
    cny = ny // 2 + 1

    #phi, theta, psi, sxo, syo = get_params_proj(data)
    t1 = data.get_attr("xform.projection")
    dp = t1.get_params("spider")
    # get translations from data
    tx = dp["tx"]
    ty = dp["ty"]

    [ang, sxs, sys, mirror, iref,
     peak] = Util.multiref_polar_ali_2d(data, refrings, xrng, yrng, step, mode,
                                        numr, cnx + tx, cny + ty)
    iref = int(iref)
    data.set_attr("assign", iref)
    #[ang,sxs,sys,mirror,peak,numref] = apmq(projdata[imn], ref_proj_rings, xrng, yrng, step, mode, numr, cnx-sxo, cny-syo)
    #ang = (ang+360.0)%360.0
    # The ormqip returns parameters such that the transformation is applied first, the mirror operation second.
    #  What that means is that one has to change the the Eulerian angles so they point into mirrored direction: phi+180, 180-theta, 180-psi
    angb, sxb, syb, ct = compose_transform2(0.0, sxs, sys, 1, -ang, 0.0, 0.0,
                                            1)
    if mirror:
        phi = (refrings[iref].get_attr("phi") + 540.0) % 360.0
        theta = 180.0 - refrings[iref].get_attr("theta")
        psi = (540.0 - refrings[iref].get_attr("psi") + angb) % 360.0
        s2x = sxb - tx
        s2y = syb - ty
    else:
        phi = refrings[iref].get_attr("phi")
        theta = refrings[iref].get_attr("theta")
        psi = (refrings[iref].get_attr("psi") + angb + 360.0) % 360.0
        s2x = sxb - tx
        s2y = syb - ty
    #set_params_proj(data, [phi, theta, psi, s2x, s2y])
    t2 = Transform({"type": "spider", "phi": phi, "theta": theta, "psi": psi})
    t2.set_trans(Vec2f(-s2x, -s2y))

    from pixel_error import max_3D_pixel_error
    pixel_error = max_3D_pixel_error(t1, t2, numr[-3])

    if finfo:
        finfo.write(
            "New parameters: %9.4f %9.4f %9.4f %9.4f %9.4f %10.5f  %11.3e\n\n"
            % (phi, theta, psi, s2x, s2y, peak, pixel_error))
        finfo.flush()

    return t2, peak, pixel_error
Ejemplo n.º 13
0
def main():

	def params_3D_2D_NEW(phi, theta, psi, s2x, s2y, mirror):
		if mirror:
			m = 1
			alpha, sx, sy, scalen = compose_transform2(0, s2x, s2y, 1.0, 540.0-psi, 0, 0, 1.0)
		else:
			m = 0
			alpha, sx, sy, scalen = compose_transform2(0, s2x, s2y, 1.0, 360.0-psi, 0, 0, 1.0)
		return  alpha, sx, sy, m
	
	progname = os.path.basename(sys.argv[0])
	usage = progname + " prj_stack  --ave2D= --var2D=  --ave3D= --var3D= --img_per_grp= --fl=0.2 --aa=0.1  --sym=symmetry --CTF"
	parser = OptionParser(usage, version=SPARXVERSION)

	parser.add_option("--ave2D",		type="string"	   ,	default=False,				help="write to the disk a stack of 2D averages")
	parser.add_option("--var2D",		type="string"	   ,	default=False,				help="write to the disk a stack of 2D variances")
	parser.add_option("--ave3D",		type="string"	   ,	default=False,				help="write to the disk reconstructed 3D average")
	parser.add_option("--var3D",		type="string"	   ,	default=False,				help="compute 3D variability (time consuming!)")
	parser.add_option("--img_per_grp",	type="int"         ,	default=10   ,				help="number of neighbouring projections")
	parser.add_option("--no_norm",		action="store_true",	default=False,				help="do not use normalization")
	parser.add_option("--radiusvar", 	type="int"         ,	default=-1   ,				help="radius for 3D var" )
	parser.add_option("--npad",			type="int"         ,	default=2    ,				help="number of time to pad the original images")
	parser.add_option("--sym" , 		type="string"      ,	default="c1" ,				help="symmetry")
	parser.add_option("--fl",			type="float"       ,	default=0.0  ,				help="stop-band frequency (Default - no filtration)")
	parser.add_option("--aa",			type="float"       ,	default=0.0  ,				help="fall off of the filter (Default - no filtration)")
	parser.add_option("--CTF",			action="store_true",	default=False,				help="use CFT correction")
	parser.add_option("--VERBOSE",		action="store_true",	default=False,				help="Long output for debugging")
	#parser.add_option("--MPI" , 		action="store_true",	default=False,				help="use MPI version")
	#parser.add_option("--radiuspca", 	type="int"         ,	default=-1   ,				help="radius for PCA" )
	#parser.add_option("--iter", 		type="int"         ,	default=40   ,				help="maximum number of iterations (stop criterion of reconstruction process)" )
	#parser.add_option("--abs", 			type="float"       ,	default=0.0  ,				help="minimum average absolute change of voxels' values (stop criterion of reconstruction process)" )
	#parser.add_option("--squ", 			type="float"       ,	default=0.0  ,				help="minimum average squared change of voxels' values (stop criterion of reconstruction process)" )
	parser.add_option("--VAR" , 		action="store_true",	default=False,				help="stack on input consists of 2D variances (Default False)")
	parser.add_option("--decimate",     type="float",           default=1.0,                 help="image decimate rate, a number large than 1. default is 1")
	parser.add_option("--window",       type="int",             default=0,                   help="reduce images to a small image size without changing pixel_size. Default value is zero.")
	#parser.add_option("--SND",			action="store_true",	default=False,				help="compute squared normalized differences (Default False)")
	parser.add_option("--nvec",			type="int"         ,	default=0    ,				help="number of eigenvectors, default = 0 meaning no PCA calculated")
	parser.add_option("--symmetrize",	action="store_true",	default=False,				help="Prepare input stack for handling symmetry (Default False)")
	
	(options,args) = parser.parse_args()
	#####
	from mpi import mpi_init, mpi_comm_rank, mpi_comm_size, mpi_recv, MPI_COMM_WORLD, MPI_TAG_UB
	from mpi import mpi_barrier, mpi_reduce, mpi_bcast, mpi_send, MPI_FLOAT, MPI_SUM, MPI_INT, MPI_MAX
	from applications import MPI_start_end
	from reconstruction import recons3d_em, recons3d_em_MPI
	from reconstruction	import recons3d_4nn_MPI, recons3d_4nn_ctf_MPI
	from utilities import print_begin_msg, print_end_msg, print_msg
	from utilities import read_text_row, get_image, get_im
	from utilities import bcast_EMData_to_all, bcast_number_to_all
	from utilities import get_symt

	#  This is code for handling symmetries by the above program.  To be incorporated. PAP 01/27/2015

	from EMAN2db import db_open_dict
	
	if options.symmetrize :
		try:
			sys.argv = mpi_init(len(sys.argv), sys.argv)
			try:	
				number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
				if( number_of_proc > 1 ):
					ERROR("Cannot use more than one CPU for symmetry prepration","sx3dvariability",1)
			except:
				pass
		except:
			pass

		#  Input
		#instack = "Clean_NORM_CTF_start_wparams.hdf"
		#instack = "bdb:data"
		instack = args[0]
		sym = options.sym
		if( sym == "c1" ):
			ERROR("Thre is no need to symmetrize stack for C1 symmetry","sx3dvariability",1)

		if(instack[:4] !="bdb:"):
			stack = "bdb:data"
			delete_bdb(stack)
			cmdexecute("sxcpy.py  "+instack+"  "+stack)
		else:
			stack = instack

		qt = EMUtil.get_all_attributes(stack,'xform.projection')

		na = len(qt)
		ts = get_symt(sym)
		ks = len(ts)
		angsa = [None]*na
		for k in xrange(ks):
			delete_bdb("bdb:Q%1d"%k)
			cmdexecute("e2bdb.py  "+stack+"  --makevstack=bdb:Q%1d"%k)
			DB = db_open_dict("bdb:Q%1d"%k)
			for i in xrange(na):
				ut = qt[i]*ts[k]
				DB.set_attr(i, "xform.projection", ut)
				#bt = ut.get_params("spider")
				#angsa[i] = [round(bt["phi"],3)%360.0, round(bt["theta"],3)%360.0, bt["psi"], -bt["tx"], -bt["ty"]]
			#write_text_row(angsa, 'ptsma%1d.txt'%k)
			#cmdexecute("e2bdb.py  "+stack+"  --makevstack=bdb:Q%1d"%k)
			#cmdexecute("sxheader.py  bdb:Q%1d  --params=xform.projection  --import=ptsma%1d.txt"%(k,k))
			DB.close()
		delete_bdb("bdb:sdata")
		cmdexecute("e2bdb.py . --makevstack=bdb:sdata --filt=Q")
		#cmdexecute("ls  EMAN2DB/sdata*")
		a = get_im("bdb:sdata")
		a.set_attr("variabilitysymmetry",sym)
		a.write_image("bdb:sdata")


	else:

		sys.argv = mpi_init(len(sys.argv), sys.argv)
		myid     = mpi_comm_rank(MPI_COMM_WORLD)
		number_of_proc = mpi_comm_size(MPI_COMM_WORLD)
		main_node = 0

		if len(args) == 1:
			stack = args[0]
		else:
			print( "usage: " + usage)
			print( "Please run '" + progname + " -h' for detailed options")
			return 1

		t0 = time()
	
		# obsolete flags
		options.MPI = True
		options.nvec = 0
		options.radiuspca = -1
		options.iter = 40
		options.abs = 0.0
		options.squ = 0.0

		if options.fl > 0.0 and options.aa == 0.0:
			ERROR("Fall off has to be given for the low-pass filter", "sx3dvariability", 1, myid)
		if options.VAR and options.SND:
			ERROR("Only one of var and SND can be set!", "sx3dvariability", myid)
			exit()
		if options.VAR and (options.ave2D or options.ave3D or options.var2D): 
			ERROR("When VAR is set, the program cannot output ave2D, ave3D or var2D", "sx3dvariability", 1, myid)
			exit()
		#if options.SND and (options.ave2D or options.ave3D):
		#	ERROR("When SND is set, the program cannot output ave2D or ave3D", "sx3dvariability", 1, myid)
		#	exit()
		if options.nvec > 0 :
			ERROR("PCA option not implemented", "sx3dvariability", 1, myid)
			exit()
		if options.nvec > 0 and options.ave3D == None:
			ERROR("When doing PCA analysis, one must set ave3D", "sx3dvariability", myid=myid)
			exit()
		import string
		options.sym = options.sym.lower()
		 
		if global_def.CACHE_DISABLE:
			from utilities import disable_bdb_cache
			disable_bdb_cache()
		global_def.BATCH = True

		if myid == main_node:
			print_begin_msg("sx3dvariability")
			print_msg("%-70s:  %s\n"%("Input stack", stack))
	
		img_per_grp = options.img_per_grp
		nvec = options.nvec
		radiuspca = options.radiuspca

		symbaselen = 0
		if myid == main_node:
			nima = EMUtil.get_image_count(stack)
			img  = get_image(stack)
			nx   = img.get_xsize()
			ny   = img.get_ysize()
			if options.sym != "c1" :
				imgdata = get_im(stack)
				try:
					i = imgdata.get_attr("variabilitysymmetry")
					if(i != options.sym):
						ERROR("The symmetry provided does not agree with the symmetry of the input stack", "sx3dvariability", myid=myid)
				except:
					ERROR("Input stack is not prepared for symmetry, please follow instructions", "sx3dvariability", myid=myid)
				from utilities import get_symt
				i = len(get_symt(options.sym))
				if((nima/i)*i != nima):
					ERROR("The length of the input stack is incorrect for symmetry processing", "sx3dvariability", myid=myid)
				symbaselen = nima/i
			else:  symbaselen = nima
		else:
			nima = 0
			nx = 0
			ny = 0
		nima = bcast_number_to_all(nima)
		nx   = bcast_number_to_all(nx)
		ny   = bcast_number_to_all(ny)
		Tracker ={}
		Tracker["nx"]  =nx
		Tracker["ny"]  =ny
		Tracker["total_stack"]=nima
		if options.decimate==1.:
			if options.window !=0:
				nx = options.window
				ny = options.window
		else:
			if options.window ==0:
				nx = int(nx/options.decimate)
				ny = int(ny/options.decimate)
			else:
				nx = int(options.window/options.decimate)
				ny = nx
		symbaselen = bcast_number_to_all(symbaselen)
		if radiuspca == -1: radiuspca = nx/2-2

		if myid == main_node:
			print_msg("%-70s:  %d\n"%("Number of projection", nima))
		
		img_begin, img_end = MPI_start_end(nima, number_of_proc, myid)
		"""
		if options.SND:
			from projection		import prep_vol, prgs
			from statistics		import im_diff
			from utilities		import get_im, model_circle, get_params_proj, set_params_proj
			from utilities		import get_ctf, generate_ctf
			from filter			import filt_ctf
		
			imgdata = EMData.read_images(stack, range(img_begin, img_end))

			if options.CTF:
				vol = recons3d_4nn_ctf_MPI(myid, imgdata, 1.0, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			else:
				vol = recons3d_4nn_MPI(myid, imgdata, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)

			bcast_EMData_to_all(vol, myid)
			volft, kb = prep_vol(vol)

			mask = model_circle(nx/2-2, nx, ny)
			varList = []
			for i in xrange(img_begin, img_end):
				phi, theta, psi, s2x, s2y = get_params_proj(imgdata[i-img_begin])
				ref_prj = prgs(volft, kb, [phi, theta, psi, -s2x, -s2y])
				if options.CTF:
					ctf_params = get_ctf(imgdata[i-img_begin])
					ref_prj = filt_ctf(ref_prj, generate_ctf(ctf_params))
				diff, A, B = im_diff(ref_prj, imgdata[i-img_begin], mask)
				diff2 = diff*diff
				set_params_proj(diff2, [phi, theta, psi, s2x, s2y])
				varList.append(diff2)
			mpi_barrier(MPI_COMM_WORLD)
		"""
		if options.VAR:
			#varList = EMData.read_images(stack, range(img_begin, img_end))
			varList = []
			this_image = EMData()
			for index_of_particle in xrange(img_begin,img_end):
				this_image.read_image(stack,index_of_particle)
				varList.append(image_decimate_window_xform_ctf(img,options.decimate,options.window,options.CTF))
		else:
			from utilities		import bcast_number_to_all, bcast_list_to_all, send_EMData, recv_EMData
			from utilities		import set_params_proj, get_params_proj, params_3D_2D, get_params2D, set_params2D, compose_transform2
			from utilities		import model_blank, nearest_proj, model_circle
			from applications	import pca
			from statistics		import avgvar, avgvar_ctf, ccc
			from filter		    import filt_tanl
			from morphology		import threshold, square_root
			from projection 	import project, prep_vol, prgs
			from sets		    import Set

			if myid == main_node:
				t1 = time()
				proj_angles = []
				aveList = []
				tab = EMUtil.get_all_attributes(stack, 'xform.projection')
				for i in xrange(nima):
					t     = tab[i].get_params('spider')
					phi   = t['phi']
					theta = t['theta']
					psi   = t['psi']
					x     = theta
					if x > 90.0: x = 180.0 - x
					x = x*10000+psi
					proj_angles.append([x, t['phi'], t['theta'], t['psi'], i])
				t2 = time()
				print_msg("%-70s:  %d\n"%("Number of neighboring projections", img_per_grp))
				print_msg("...... Finding neighboring projections\n")
				if options.VERBOSE:
					print "Number of images per group: ", img_per_grp
					print "Now grouping projections"
				proj_angles.sort()

			proj_angles_list = [0.0]*(nima*4)
			if myid == main_node:
				for i in xrange(nima):
					proj_angles_list[i*4]   = proj_angles[i][1]
					proj_angles_list[i*4+1] = proj_angles[i][2]
					proj_angles_list[i*4+2] = proj_angles[i][3]
					proj_angles_list[i*4+3] = proj_angles[i][4]
			proj_angles_list = bcast_list_to_all(proj_angles_list, myid, main_node)
			proj_angles = []
			for i in xrange(nima):
				proj_angles.append([proj_angles_list[i*4], proj_angles_list[i*4+1], proj_angles_list[i*4+2], int(proj_angles_list[i*4+3])])
			del proj_angles_list

			proj_list, mirror_list = nearest_proj(proj_angles, img_per_grp, range(img_begin, img_end))

			all_proj = Set()
			for im in proj_list:
				for jm in im:
					all_proj.add(proj_angles[jm][3])

			all_proj = list(all_proj)
			if options.VERBOSE:
				print "On node %2d, number of images needed to be read = %5d"%(myid, len(all_proj))

			index = {}
			for i in xrange(len(all_proj)): index[all_proj[i]] = i
			mpi_barrier(MPI_COMM_WORLD)

			if myid == main_node:
				print_msg("%-70s:  %.2f\n"%("Finding neighboring projections lasted [s]", time()-t2))
				print_msg("%-70s:  %d\n"%("Number of groups processed on the main node", len(proj_list)))
				if options.VERBOSE:
					print "Grouping projections took: ", (time()-t2)/60	, "[min]"
					print "Number of groups on main node: ", len(proj_list)
			mpi_barrier(MPI_COMM_WORLD)

			if myid == main_node:
				print_msg("...... calculating the stack of 2D variances \n")
				if options.VERBOSE:
					print "Now calculating the stack of 2D variances"

			proj_params = [0.0]*(nima*5)
			aveList = []
			varList = []				
			if nvec > 0:
				eigList = [[] for i in xrange(nvec)]

			if options.VERBOSE: 	print "Begin to read images on processor %d"%(myid)
			ttt = time()
			#imgdata = EMData.read_images(stack, all_proj)
			img     = EMData()
			imgdata = []
			for index_of_proj in xrange(len(all_proj)):
				img.read_image(stack, all_proj[index_of_proj])
				dmg = image_decimate_window_xform_ctf(img,options.decimate,options.window,options.CTF)
				#print dmg.get_xsize(), "init"
				imgdata.append(dmg)
			if options.VERBOSE:
				print "Reading images on processor %d done, time = %.2f"%(myid, time()-ttt)
				print "On processor %d, we got %d images"%(myid, len(imgdata))
			mpi_barrier(MPI_COMM_WORLD)

			'''	
			imgdata2 = EMData.read_images(stack, range(img_begin, img_end))
			if options.fl > 0.0:
				for k in xrange(len(imgdata2)):
					imgdata2[k] = filt_tanl(imgdata2[k], options.fl, options.aa)
			if options.CTF:
				vol = recons3d_4nn_ctf_MPI(myid, imgdata2, 1.0, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			else:
				vol = recons3d_4nn_MPI(myid, imgdata2, symmetry=options.sym, npad=options.npad, xysize=-1, zsize=-1)
			if myid == main_node:
				vol.write_image("vol_ctf.hdf")
				print_msg("Writing to the disk volume reconstructed from averages as		:  %s\n"%("vol_ctf.hdf"))
			del vol, imgdata2
			mpi_barrier(MPI_COMM_WORLD)
			'''
			from applications import prepare_2d_forPCA
			from utilities import model_blank
			for i in xrange(len(proj_list)):
				ki = proj_angles[proj_list[i][0]][3]
				if ki >= symbaselen:  continue
				mi = index[ki]
				phiM, thetaM, psiM, s2xM, s2yM = get_params_proj(imgdata[mi])

				grp_imgdata = []
				for j in xrange(img_per_grp):
					mj = index[proj_angles[proj_list[i][j]][3]]
					phi, theta, psi, s2x, s2y = get_params_proj(imgdata[mj])
					alpha, sx, sy, mirror = params_3D_2D_NEW(phi, theta, psi, s2x, s2y, mirror_list[i][j])
					if thetaM <= 90:
						if mirror == 0:  alpha, sx, sy, scale = compose_transform2(alpha, sx, sy, 1.0, phiM-phi, 0.0, 0.0, 1.0)
						else:            alpha, sx, sy, scale = compose_transform2(alpha, sx, sy, 1.0, 180-(phiM-phi), 0.0, 0.0, 1.0)
					else:
						if mirror == 0:  alpha, sx, sy, scale = compose_transform2(alpha, sx, sy, 1.0, -(phiM-phi), 0.0, 0.0, 1.0)
						else:            alpha, sx, sy, scale = compose_transform2(alpha, sx, sy, 1.0, -(180-(phiM-phi)), 0.0, 0.0, 1.0)
					set_params2D(imgdata[mj], [alpha, sx, sy, mirror, 1.0])
					grp_imgdata.append(imgdata[mj])
					#print grp_imgdata[j].get_xsize(), imgdata[mj].get_xsize()

				if not options.no_norm:
					#print grp_imgdata[j].get_xsize()
					mask = model_circle(nx/2-2, nx, nx)
					for k in xrange(img_per_grp):
						ave, std, minn, maxx = Util.infomask(grp_imgdata[k], mask, False)
						grp_imgdata[k] -= ave
						grp_imgdata[k] /= std
					del mask

				if options.fl > 0.0:
					from filter import filt_ctf, filt_table
					from fundamentals import fft, window2d
					nx2 = 2*nx
					ny2 = 2*ny
					if options.CTF:
						from utilities import pad
						for k in xrange(img_per_grp):
							grp_imgdata[k] = window2d(fft( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa) ),nx,ny)
							#grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
							#grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)
					else:
						for k in xrange(img_per_grp):
							grp_imgdata[k] = filt_tanl( grp_imgdata[k], options.fl, options.aa)
							#grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
							#grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)
				else:
					from utilities import pad, read_text_file
					from filter import filt_ctf, filt_table
					from fundamentals import fft, window2d
					nx2 = 2*nx
					ny2 = 2*ny
					if options.CTF:
						from utilities import pad
						for k in xrange(img_per_grp):
							grp_imgdata[k] = window2d( fft( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1) ) , nx,ny)
							#grp_imgdata[k] = window2d(fft( filt_table( filt_tanl( filt_ctf(fft(pad(grp_imgdata[k], nx2, ny2, 1,0.0)), grp_imgdata[k].get_attr("ctf"), binary=1), options.fl, options.aa), fifi) ),nx,ny)
							#grp_imgdata[k] = filt_tanl(grp_imgdata[k], options.fl, options.aa)

				'''
				if i < 10 and myid == main_node:
					for k in xrange(10):
						grp_imgdata[k].write_image("grp%03d.hdf"%i, k)
				'''
				"""
				if myid == main_node and i==0:
					for pp in xrange(len(grp_imgdata)):
						grp_imgdata[pp].write_image("pp.hdf", pp)
				"""
				ave, grp_imgdata = prepare_2d_forPCA(grp_imgdata)
				"""
				if myid == main_node and i==0:
					for pp in xrange(len(grp_imgdata)):
						grp_imgdata[pp].write_image("qq.hdf", pp)
				"""

				var = model_blank(nx,ny)
				for q in grp_imgdata:  Util.add_img2( var, q )
				Util.mul_scalar( var, 1.0/(len(grp_imgdata)-1))
				# Switch to std dev
				var = square_root(threshold(var))
				#if options.CTF:	ave, var = avgvar_ctf(grp_imgdata, mode="a")
				#else:	            ave, var = avgvar(grp_imgdata, mode="a")
				"""
				if myid == main_node:
					ave.write_image("avgv.hdf",i)
					var.write_image("varv.hdf",i)
				"""
			
				set_params_proj(ave, [phiM, thetaM, 0.0, 0.0, 0.0])
				set_params_proj(var, [phiM, thetaM, 0.0, 0.0, 0.0])

				aveList.append(ave)
				varList.append(var)

				if options.VERBOSE:
					print "%5.2f%% done on processor %d"%(i*100.0/len(proj_list), myid)
				if nvec > 0:
					eig = pca(input_stacks=grp_imgdata, subavg="", mask_radius=radiuspca, nvec=nvec, incore=True, shuffle=False, genbuf=True)
					for k in xrange(nvec):
						set_params_proj(eig[k], [phiM, thetaM, 0.0, 0.0, 0.0])
						eigList[k].append(eig[k])
					"""
					if myid == 0 and i == 0:
						for k in xrange(nvec):
							eig[k].write_image("eig.hdf", k)
					"""

			del imgdata
			#  To this point, all averages, variances, and eigenvectors are computed

			if options.ave2D:
				from fundamentals import fpol
				if myid == main_node:
					km = 0
					for i in xrange(number_of_proc):
						if i == main_node :
							for im in xrange(len(aveList)):
								aveList[im].write_image(options.ave2D, km)
								km += 1
						else:
							nl = mpi_recv(1, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
							nl = int(nl[0])
							for im in xrange(nl):
								ave = recv_EMData(i, im+i+70000)
								"""
								nm = mpi_recv(1, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
								nm = int(nm[0])
								members = mpi_recv(nm, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
								ave.set_attr('members', map(int, members))
								members = mpi_recv(nm, MPI_FLOAT, i, MPI_TAG_UB, MPI_COMM_WORLD)
								ave.set_attr('pix_err', map(float, members))
								members = mpi_recv(3, MPI_FLOAT, i, MPI_TAG_UB, MPI_COMM_WORLD)
								ave.set_attr('refprojdir', map(float, members))
								"""
								tmpvol=fpol(ave, Tracker["nx"],Tracker["nx"],Tracker["nx"])								
								tmpvol.write_image(options.ave2D, km)
								km += 1
				else:
					mpi_send(len(aveList), 1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
					for im in xrange(len(aveList)):
						send_EMData(aveList[im], main_node,im+myid+70000)
						"""
						members = aveList[im].get_attr('members')
						mpi_send(len(members), 1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
						mpi_send(members, len(members), MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
						members = aveList[im].get_attr('pix_err')
						mpi_send(members, len(members), MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
						try:
							members = aveList[im].get_attr('refprojdir')
							mpi_send(members, 3, MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
						except:
							mpi_send([-999.0,-999.0,-999.0], 3, MPI_FLOAT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
						"""

			if options.ave3D:
				from fundamentals import fpol
				if options.VERBOSE:
					print "Reconstructing 3D average volume"
				ave3D = recons3d_4nn_MPI(myid, aveList, symmetry=options.sym, npad=options.npad)
				bcast_EMData_to_all(ave3D, myid)
				if myid == main_node:
					ave3D=fpol(ave3D,Tracker["nx"],Tracker["nx"],Tracker["nx"])
					ave3D.write_image(options.ave3D)
					print_msg("%-70s:  %s\n"%("Writing to the disk volume reconstructed from averages as", options.ave3D))
			del ave, var, proj_list, stack, phi, theta, psi, s2x, s2y, alpha, sx, sy, mirror, aveList

			if nvec > 0:
				for k in xrange(nvec):
					if options.VERBOSE:
						print "Reconstruction eigenvolumes", k
					cont = True
					ITER = 0
					mask2d = model_circle(radiuspca, nx, nx)
					while cont:
						#print "On node %d, iteration %d"%(myid, ITER)
						eig3D = recons3d_4nn_MPI(myid, eigList[k], symmetry=options.sym, npad=options.npad)
						bcast_EMData_to_all(eig3D, myid, main_node)
						if options.fl > 0.0:
							eig3D = filt_tanl(eig3D, options.fl, options.aa)
						if myid == main_node:
							eig3D.write_image("eig3d_%03d.hdf"%k, ITER)
						Util.mul_img( eig3D, model_circle(radiuspca, nx, nx, nx) )
						eig3Df, kb = prep_vol(eig3D)
						del eig3D
						cont = False
						icont = 0
						for l in xrange(len(eigList[k])):
							phi, theta, psi, s2x, s2y = get_params_proj(eigList[k][l])
							proj = prgs(eig3Df, kb, [phi, theta, psi, s2x, s2y])
							cl = ccc(proj, eigList[k][l], mask2d)
							if cl < 0.0:
								icont += 1
								cont = True
								eigList[k][l] *= -1.0
						u = int(cont)
						u = mpi_reduce([u], 1, MPI_INT, MPI_MAX, main_node, MPI_COMM_WORLD)
						icont = mpi_reduce([icont], 1, MPI_INT, MPI_SUM, main_node, MPI_COMM_WORLD)

						if myid == main_node:
							u = int(u[0])
							print " Eigenvector: ",k," number changed ",int(icont[0])
						else: u = 0
						u = bcast_number_to_all(u, main_node)
						cont = bool(u)
						ITER += 1

					del eig3Df, kb
					mpi_barrier(MPI_COMM_WORLD)
				del eigList, mask2d

			if options.ave3D: del ave3D
			if options.var2D:
				from fundamentals import fpol 
				if myid == main_node:
					km = 0
					for i in xrange(number_of_proc):
						if i == main_node :
							for im in xrange(len(varList)):
								tmpvol=fpol(varList[im], Tracker["nx"], Tracker["nx"],1)
								tmpvol.write_image(options.var2D, km)
								km += 1
						else:
							nl = mpi_recv(1, MPI_INT, i, MPI_TAG_UB, MPI_COMM_WORLD)
							nl = int(nl[0])
							for im in xrange(nl):
								ave = recv_EMData(i, im+i+70000)
								tmpvol=fpol(ave, Tracker["nx"], Tracker["nx"],1)
								tmpvol.write_image(options.var2D, km)
								km += 1
				else:
					mpi_send(len(varList), 1, MPI_INT, main_node, MPI_TAG_UB, MPI_COMM_WORLD)
					for im in xrange(len(varList)):
						send_EMData(varList[im], main_node, im+myid+70000)#  What with the attributes??

			mpi_barrier(MPI_COMM_WORLD)

		if  options.var3D:
			if myid == main_node and options.VERBOSE:
				print "Reconstructing 3D variability volume"

			t6 = time()
			radiusvar = options.radiusvar
			if( radiusvar < 0 ):  radiusvar = nx//2 -3
			res = recons3d_4nn_MPI(myid, varList, symmetry=options.sym, npad=options.npad)
			#res = recons3d_em_MPI(varList, vol_stack, options.iter, radiusvar, options.abs, True, options.sym, options.squ)
			if myid == main_node:
				from fundamentals import fpol
				res =fpol(res, Tracker["nx"], Tracker["nx"], Tracker["nx"])
				res.write_image(options.var3D)

			if myid == main_node:
				print_msg("%-70s:  %.2f\n"%("Reconstructing 3D variability took [s]", time()-t6))
				if options.VERBOSE:
					print "Reconstruction took: %.2f [min]"%((time()-t6)/60)

			if myid == main_node:
				print_msg("%-70s:  %.2f\n"%("Total time for these computations [s]", time()-t0))
				if options.VERBOSE:
					print "Total time for these computations: %.2f [min]"%((time()-t0)/60)
				print_end_msg("sx3dvariability")

		global_def.BATCH = False

		from mpi import mpi_finalize
		mpi_finalize()