Exemplo n.º 1
0
def test_plot_cspad(geometry, fname_data, amp_range=(0, 0.5)):
    """ The same test as previous, but use get_pixel_coord_indexes(...) method
    """
    #rad1 =  93
    #rad2 = 146
    rad1 = 655
    rad2 = 670

    # get pixel coordinate index arrays:
    xc, yc = 1000, 1000
    xyc = xc, yc  # None

    #iX, iY = geometry.get_pixel_coord_indexes(xy0_off_pix=None)
    iX, iY = geometry.get_pixel_coord_indexes(xy0_off_pix=xyc, do_tilt=True)

    ixo, iyo = geometry.point_coord_indexes(xy0_off_pix=xyc, do_tilt=True)
    print 'Detector origin indexes ixo, iyo:', ixo, iyo

    root, ext = os.path.splitext(fname_data)
    arr = np.load(fname_data) if ext == '.npy' else np.loadtxt(fname_data,
                                                               dtype=np.float)
    arr.shape = (4, 8, 185, 388)

    print 'iX, iY, W shape:', iX.shape, iY.shape, arr.shape

    arr.shape = iX.shape
    img = img_from_pixel_arrays(iX, iY, W=arr)

    xyc_ring = (yc, xc)
    axim = gg.plotImageLarge(img, amp_range=amp_range)
    gg.drawCircle(axim, xyc_ring, rad1, linewidth=1, color='w', fill=False)
    gg.drawCircle(axim, xyc_ring, rad2, linewidth=1, color='w', fill=False)
    gg.drawCenter(axim, xyc_ring, rad1, linewidth=1, color='w')
    gg.move(500, 10)
    gg.show()
Exemplo n.º 2
0
def test_plot_cspad(geometry, fname_data, amp_range=(0,0.5)) :
    """ The same test as previous, but use get_pixel_coord_indexes(...) method
    """
    #rad1 =  93
    #rad2 = 146
    rad1 = 655
    rad2 = 670

    # get pixel coordinate index arrays:
    xc, yc = 1000, 1000
    xyc = xc, yc # None 

    #iX, iY = geometry.get_pixel_coord_indexes(xy0_off_pix=None)
    iX, iY = geometry.get_pixel_coord_indexes(xy0_off_pix=xyc, do_tilt=True)

    ixo, iyo = geometry.point_coord_indexes(xy0_off_pix=xyc, do_tilt=True)
    print 'Detector origin indexes ixo, iyo:', ixo, iyo

    root, ext = os.path.splitext(fname_data)
    arr = np.load(fname_data) if ext == '.npy' else np.loadtxt(fname_data, dtype=np.float) 
    arr.shape= (4,8,185,388)

    print 'iX, iY, W shape:', iX.shape, iY.shape, arr.shape

    arr.shape = iX.shape
    img = img_from_pixel_arrays(iX, iY, W=arr)

    xyc_ring = (yc, xc)
    axim = gg.plotImageLarge(img,amp_range=amp_range)
    gg.drawCircle(axim, xyc_ring, rad1, linewidth=1, color='w', fill=False) 
    gg.drawCircle(axim, xyc_ring, rad2, linewidth=1, color='w', fill=False) 
    gg.drawCenter(axim, xyc_ring, rad1, linewidth=1, color='w') 
    gg.move(500,10)
    gg.show()
Exemplo n.º 3
0
def plot_lattice(b1 = (1.,0.,0.), b2 = (0.,1.,0.), b3 = (0.,0.,1.),\
                 hmax=3, kmax=2, lmax=1, cdtype=np.float32,\
                 evald_rad=0.5, qtol=0.01, prefix='', do_movie=False, delay=400) :
    """Plots 2-d reciprocal space lattice, evald sphere,
       generates series of plots for rotated lattice and movie from these plots.

       - do_movie = True/False - on/off production of movie
       - delay - is a time in msec between movie frames.
    """

    import matplotlib.pyplot as plt
    import algos.graph.GlobalGraphics as gg
    
    print '\nIn %s' % sys._getframe().f_code.co_name
    print '%s\nTest lattice with default parameters' % (80*'_')

    x, y, z, r, h, k, l = lattice(b1, b2, b3, hmax, kmax, lmax, cdtype)

    xlimits = ylimits = (-0.3, 0.3) # plot limits in (1/A)
    #ylimits = (-0.4, 0.4) # plot limits in (1/A)
    #xlimits = (-0.5, 0.3) # plot limits in (1/A)

    fig, ax = gg.plotGraph(x,y, figsize=(8,7.5), window=(0.15, 0.10, 0.78, 0.86), pfmt='bo')
    ax.set_xlim(xlimits)
    ax.set_ylim(ylimits)
    ax.set_xlabel('Reciprocal x ($1/\AA$)', fontsize=18)
    ax.set_ylabel('Reciprocal y ($1/\AA$)', fontsize=18)
    gg.save_fig(fig, '%sreciprocal-space-lattice.png' % prefix, pbits=1)

    lst_omega = range(0,180,2) if do_movie else range(0,13,11)
    #lst_omega = range(0,180,5) if do_movie else range(0,13,11)
    #lst_omega = range(0,180,45) if do_movie else range(0,13,11)

    beta_deg = 0
    for omega_deg in lst_omega :

        xrot1, yrot1 = rotation(x, y, omega_deg)
        xrot2, zrot2 = rotation(xrot1, z, beta_deg)        
        dr, qv, qh = radial_distance(xrot2, yrot1, zrot2, evald_rad)

        xhit = [xr for dq,xr in zip(dr.flatten(), xrot2.flatten()) if math.fabs(dq)<qtol]
        yhit = [yr for dq,yr in zip(dr.flatten(), yrot1.flatten()) if math.fabs(dq)<qtol]

        #fig, ax = gg.plotGraph(xrot2, yrot1, figsize=(8,7.5), window=(0.15, 0.10, 0.78, 0.84), pfmt='bo')
        ax.cla()
        ax.set_xlim(xlimits)
        ax.set_ylim(ylimits)
        ax.plot(xrot1, yrot1, 'yo')
        if len(xhit)>0 and len(yhit)>0 : ax.plot(xhit, yhit, 'bo')

        ax.set_title('beta=%.0f  omega=%.0f' % (beta_deg, omega_deg), color='k', fontsize=20)
        ax.set_xlabel('Reciprocal x ($1/\AA$)', fontsize=18)
        ax.set_ylabel('Reciprocal y ($1/\AA$)', fontsize=18)
        gg.drawCenter(ax, (-evald_rad,0), s=0.04, linewidth=2, color='k')
        gg.drawCircle(ax, (-evald_rad,0), evald_rad, linewidth=1, color='k', fill=False)
        fig.canvas.draw()
        gg.show('Do not hold!')
        gg.save_fig(fig, '%sreciprocal-space-lattice-rotated-beta=%03d-omega=%03d.png'%\
                    (prefix, int(beta_deg), int(omega_deg)), pbits=1)

    if do_movie :
        import os
        #dir_movie = 'movie'
        #os.system('mkdir %s'% dir_movie)
        cmd = 'convert -delay %f %sreciprocal-space-lattice-rotated-beta=*.png movie.gif' % (delay, prefix)
        print 'Wait for completion of the command: %s' % cmd
        os.system(cmd)
        print 'DONE!'
    
    gg.show()
Exemplo n.º 4
0
def plot_lattice(b1 = (1.,0.,0.), b2 = (0.,1.,0.), b3 = (0.,0.,1.),\
                 hmax=3, kmax=2, lmax=1, cdtype=np.float32,\
                 evald_rad=0.5, qtol=0.01, prefix='', do_movie=False, delay=400) :
    """Plots 2-d reciprocal space lattice, evald sphere,
       generates series of plots for rotated lattice and movie from these plots.

       - do_movie = True/False - on/off production of movie
       - delay - is a time in msec between movie frames.
    """

    import matplotlib.pyplot as plt
    import algos.graph.GlobalGraphics as gg

    print '\nIn %s' % sys._getframe().f_code.co_name
    print '%s\nTest lattice with default parameters' % (80 * '_')

    x, y, z, r, h, k, l = lattice(b1, b2, b3, hmax, kmax, lmax, cdtype)

    xlimits = ylimits = (-0.3, 0.3)  # plot limits in (1/A)
    #ylimits = (-0.4, 0.4) # plot limits in (1/A)
    #xlimits = (-0.5, 0.3) # plot limits in (1/A)

    fig, ax = gg.plotGraph(x,
                           y,
                           figsize=(8, 7.5),
                           window=(0.15, 0.10, 0.78, 0.86),
                           pfmt='bo')
    ax.set_xlim(xlimits)
    ax.set_ylim(ylimits)
    ax.set_xlabel('Reciprocal x ($1/\AA$)', fontsize=18)
    ax.set_ylabel('Reciprocal y ($1/\AA$)', fontsize=18)
    gg.save_fig(fig, '%sreciprocal-space-lattice.png' % prefix, pbits=1)

    lst_omega = range(0, 180, 2) if do_movie else range(0, 13, 11)
    #lst_omega = range(0,180,5) if do_movie else range(0,13,11)
    #lst_omega = range(0,180,45) if do_movie else range(0,13,11)

    beta_deg = 0
    for omega_deg in lst_omega:

        xrot1, yrot1 = rotation(x, y, omega_deg)
        xrot2, zrot2 = rotation(xrot1, z, beta_deg)
        dr, qv, qh = radial_distance(xrot2, yrot1, zrot2, evald_rad)

        xhit = [
            xr for dq, xr in zip(dr.flatten(), xrot2.flatten())
            if math.fabs(dq) < qtol
        ]
        yhit = [
            yr for dq, yr in zip(dr.flatten(), yrot1.flatten())
            if math.fabs(dq) < qtol
        ]

        #fig, ax = gg.plotGraph(xrot2, yrot1, figsize=(8,7.5), window=(0.15, 0.10, 0.78, 0.84), pfmt='bo')
        ax.cla()
        ax.set_xlim(xlimits)
        ax.set_ylim(ylimits)
        ax.plot(xrot1, yrot1, 'yo')
        if len(xhit) > 0 and len(yhit) > 0: ax.plot(xhit, yhit, 'bo')

        ax.set_title('beta=%.0f  omega=%.0f' % (beta_deg, omega_deg),
                     color='k',
                     fontsize=20)
        ax.set_xlabel('Reciprocal x ($1/\AA$)', fontsize=18)
        ax.set_ylabel('Reciprocal y ($1/\AA$)', fontsize=18)
        gg.drawCenter(ax, (-evald_rad, 0), s=0.04, linewidth=2, color='k')
        gg.drawCircle(ax, (-evald_rad, 0),
                      evald_rad,
                      linewidth=1,
                      color='k',
                      fill=False)
        fig.canvas.draw()
        gg.show('Do not hold!')
        gg.save_fig(fig, '%sreciprocal-space-lattice-rotated-beta=%03d-omega=%03d.png'%\
                    (prefix, int(beta_deg), int(omega_deg)), pbits=1)

    if do_movie:
        import os
        #dir_movie = 'movie'
        #os.system('mkdir %s'% dir_movie)
        cmd = 'convert -delay %f %sreciprocal-space-lattice-rotated-beta=*.png movie.gif' % (
            delay, prefix)
        print 'Wait for completion of the command: %s' % cmd
        os.system(cmd)
        print 'DONE!'

    gg.show()