示例#1
0
    def getpack(self, *args, **kwargs):
        """
        same as get except that
            - depth model are packed into a depthmodel object
            - dispersion curves are packed into a surf96reader object
        output :
            item = (MODELID, WEIGHT, LLK, NLAYER, dm, sr)
            dm = depthmodel
            sr = surf96reader
        """
        for MODELID, CHAINID, WEIGHT, LLK, NLAYER, (Z, VP, VS, RH), (W, T, M, F, DV) in \
            self.get(*args, **kwargs):

            dm = depthmodel_from_arrays(Z, VP, VS, RH)
            sr = surf96reader_from_arrays(W, T, M, F, DV, None)
            yield MODELID, CHAINID, WEIGHT, LLK, NLAYER, dm, sr
示例#2
0
def _extract_pdf(rootname, extract_mode, extract_limit, extract_llkmin, extract_step, verbose, percentiles, mapkwargs):
    """private"""
    percentiles = np.array(percentiles, float)
    assert len(np.unique(percentiles)) == len(percentiles)
    assert np.all(0 < percentiles)
    assert np.all(1 > percentiles)
    assert np.all(percentiles[1:] > percentiles[:-1])

    runfile = "%s/_HerrMet.run" % rootname
    with RunFile(runfile, verbose=verbose) as rundb:
        print "extract : llkmin %f, limit %d, step %d" % (extract_llkmin, extract_limit, extract_step),
        if extract_mode == "best":
            chainids, weights, llks, ms, ds = \
                rundb.getzip(limit=extract_limit,
                             llkmin=extract_llkmin,
                             step=extract_step,
                             algo="METROPOLIS")
        elif extract_mode == "last":
            chainids, weights, llks, ms, ds = \
                rundb.getlastszip(limit=extract_limit,
                                  llkmin=extract_llkmin,
                                  step=extract_step,
                                  algo="METROPOLIS")
        else:
            raise Exception('unexpected extract mode %s' % extract_mode)

    dms = [depthmodel_from_arrays(ztop, vp, vs, rh) for ztop, vp, vs, rh in ms]
    for p, (vppc, vspc, rhpc, prpc) in \
            dmstats1(dms,
                     percentiles=percentiles,
                     Ndepth=100,
                     Nvalue=100,
                     weights=weights,
                     **mapkwargs):
        try:
            dmout = depthmodel(vppc, vspc, rhpc)
            out = '%s/_HerrMet.p%.2f.mod96' % (rootname, p)
            if verbose:
                print "writing %s" % out
            dmout.write96(out)  # , overwrite=True)
        except KeyboardInterrupt:
            raise
        except Exception as e:
            print "Error", str(e)

    for p in percentiles:
        out = '%s/_HerrMet.p%.2f.surf96' % (rootname, p)
        os.system('trash %s' % out)
    for p, (wpc, tpc, mpc, fpc, vpc) in \
            dispstats(ds,
                      percentiles=percentiles,
                      Ndisp=100,
                      weights=weights,
                      **mapkwargs):
        try:
            srout = surf96reader_from_arrays(wpc, tpc, mpc, fpc, vpc)
            out = '%s/_HerrMet.p%.2f.surf96' % (rootname, p)
            if verbose:
                print "writing to %s" % out
            with open(out, 'a') as fid:
                fid.write(srout.__str__())
                fid.write('\n')
        except KeyboardInterrupt:
            raise
        except Exception as e:
            print "Error", str(e)
示例#3
0
def _extract_pdf(rootname, extract_mode, extract_limit, extract_llkmin,
                 extract_step, verbose, percentiles, mapkwargs):
    """private"""
    percentiles = np.array(percentiles, float)
    assert len(np.unique(percentiles)) == len(percentiles)
    assert np.all(0 < percentiles)
    assert np.all(1 > percentiles)
    assert np.all(percentiles[1:] > percentiles[:-1])

    for p in percentiles:
        extract_disp_file = EXTRACTDISPFILE.format(
            rootname=rootname,
            extract_mode=extract_mode,
            extract_limit=extract_limit,
            extract_llkmin=extract_llkmin,
            extract_step=extract_step,
            percentile=p)
        extract_model_file = EXTRACTMODELFILE.format(
            rootname=rootname,
            extract_mode=extract_mode,
            extract_limit=extract_limit,
            extract_llkmin=extract_llkmin,
            extract_step=extract_step,
            percentile=p)
        if os.path.isfile(extract_disp_file) and os.path.isfile(
                extract_model_file):
            continue
        break
    else:
        # did not break => means all files exist already
        print('found existing extraction files in {}, skip'.format(rootname))
        return

    try:
        runfile = _find_runfile(rootname)
    except IOError:
        return

    with RunFile(runfile, verbose=verbose) as rundb:
        print "extract : llkmin %f, limit %d, step %d" % (
            extract_llkmin, extract_limit, extract_step),
        if extract_mode == "best":
            chainids, weights, llks, ms, ds = \
                rundb.getzip(limit=extract_limit,
                             llkmin=extract_llkmin,
                             step=extract_step,
                             algo="METROPOLIS")
        elif extract_mode == "last":
            chainids, weights, llks, ms, ds = \
                rundb.getlastszip(limit=extract_limit,
                                  llkmin=extract_llkmin,
                                  step=extract_step,
                                  algo="METROPOLIS")
        else:
            raise Exception('unexpected extract mode %s' % extract_mode)

    if not len(ms):
        return

    dms = [depthmodel_from_arrays(ztop, vp, vs, rh) for ztop, vp, vs, rh in ms]
    for p, (vppc, vspc, rhpc, prpc) in \
            dmstats1(dms,
                     percentiles=percentiles,
                     Ndepth=100,
                     Nvalue=100,
                     weights=weights,
                     **mapkwargs):
        try:
            dmout = depthmodel(vppc, vspc, rhpc)
            extract_model_file = EXTRACTMODELFILE.format(
                rootname=rootname,
                extract_mode=extract_mode,
                extract_limit=extract_limit,
                extract_llkmin=extract_llkmin,
                extract_step=extract_step,
                percentile=p)
            if verbose:
                print "writing %s" % extract_model_file
            dmout.write96(extract_model_file)  # , overwrite=True)
        except KeyboardInterrupt:
            raise
        except Exception as e:
            print "Error", str(e)

    for p in percentiles:
        extract_disp_file = EXTRACTDISPFILE.format(
            rootname=rootname,
            extract_mode=extract_mode,
            extract_limit=extract_limit,
            extract_llkmin=extract_llkmin,
            extract_step=extract_step,
            percentile=p)
        if os.path.isfile(extract_disp_file):
            os.system('trash {}'.format(extract_disp_file))

    for p, (wpc, tpc, mpc, fpc, vpc) in \
            dispstats(ds,
                      percentiles=percentiles,
                      Ndisp=100,
                      weights=weights,
                      **mapkwargs):
        try:
            srout = surf96reader_from_arrays(wpc, tpc, mpc, fpc, vpc)
            extract_disp_file = EXTRACTDISPFILE.format(
                rootname=rootname,
                extract_mode=extract_mode,
                extract_limit=extract_limit,
                extract_llkmin=extract_llkmin,
                extract_step=extract_step,
                percentile=p)
            if verbose:
                print "writing to {}".format(extract_disp_file)
            with open(extract_disp_file, 'a') as fid:
                fid.write(srout.__str__())
                fid.write('\n')
        except KeyboardInterrupt:
            raise
        except Exception as e:
            print "Error", str(e)
示例#4
0
def _display_function(rootname, argv, verbose, mapkwargs):
    """private"""
    targetfile = "%s/_HerrMet.target" % rootname
    paramfile = "%s/_HerrMet.param" % rootname
    runfile = '%s/_HerrMet.run' % rootname
    pngfile = '%s/_HerrMet.png' % rootname
    #HerrLininitfile = '%s/_HerrLin.init' % rootname

    # ------ Initiate the displayer using the target data if exists
    if "-compact" in argv.keys():  # compact mode
        which_displayer = DepthDispDisplayCompact
    else:
        which_displayer = DepthDispDisplay

    if os.path.exists(targetfile):
        rd = which_displayer(targetfile=targetfile)
        d = makedatacoder(
            targetfile, which=Datacoder_log)  # datacoder based on observations
        dobs, _ = d.target()
    else:
        print "no target file found in %s" % rootname
        rd = which_displayer()

    # ------ Display run results if exist
    if os.path.exists(runfile) and ("-plot" in argv.keys()
                                    or "-pdf" in argv.keys()):

        with RunFile(runfile, verbose=verbose) as rundb:
            s = rundb.select('select MODELID from MODELS limit 1')
            if s is not None:
                # --- display best models
                if "-plot" in argv.keys():

                    assert argv["-plot"] == [] or len(
                        argv["-plot"]) == 4  # unexpected argument number
                    if argv["-plot"] == []:
                        plot_mode, plot_limit, plot_llkmin, plot_step = \
                            default_plot_mode, default_plot_limit, \
                            default_plot_llkmin, default_plot_step
                    elif len(argv['-plot']) == 4:
                        plot_mode, plot_limit, plot_llkmin, plot_step = argv[
                            '-plot']
                    else:
                        raise Exception()

                    print "plot : %s, limit %d, llkmin %f, step %d" % (
                        plot_mode, plot_limit, plot_llkmin, plot_step),
                    if plot_mode == "best":
                        chainids, weights, llks, ms, ds = \
                            rundb.getzip(limit=plot_limit,
                                         llkmin=plot_llkmin,
                                         step=plot_step,
                                         algo="METROPOLIS")
                    elif plot_mode == "last":
                        chainids, weights, llks, ms, ds = \
                            rundb.getlastszip(limit=plot_limit,
                                              llkmin=plot_llkmin,
                                              step=plot_step,
                                              algo="METROPOLIS")
                    else:
                        raise Exception('unexpected plot mode %s' % plot_mode)

                    vmin, vmax = llks.min(), llks.max()
                    # colors = values2colors(llks, vmin=vmin, vmax=vmax, cmap=argv['-cmap'])

                    if "-overdisp" in argv.keys():
                        """note : recomputing dispersion with another frequency array might
                                  result in a completely different dispersion curve in case
                                  of root search failure """
                        waves, types, modes, freqs, _ = ds[0]
                        overwaves, overtypes, overmodes, _, _ = zip(*list(
                            groupbywtm(waves, types, modes, freqs,
                                       np.arange(len(freqs)), None, True)))
                        overfreqs = [
                            freqspace(0.6 * min(freqs), 1.4 * max(freqs), 100,
                                      "plog") for _ in xrange(len(overwaves))
                        ]
                        overwaves, overtypes, overmodes, overfreqs = \
                            igroupbywtm(overwaves, overtypes, overmodes, overfreqs)
                        for llk, (mms, dds) in zip(
                                llks[::-1],
                                overdisp(ms[::-1],
                                         overwaves,
                                         overtypes,
                                         overmodes,
                                         overfreqs,
                                         verbose=verbose,
                                         **mapkwargs)):
                            # rd.plotmodel(color=clr, alpha=1.0, linewidth=3, *mms)
                            rd.addmodel(colorvalue=llk, *mms)
                            try:
                                # rd.plotdisp(color=clr, alpha=1.0, linewidth=3, *dds)
                                rd.adddisp(colorvalue=llk, *dds)
                            except KeyboardInterrupt:
                                raise
                            except Exception as e:
                                print "Error : could not plot dispersion curve (%s)" % str(
                                    e)

                        # cb = makecolorbar(vmin=vmin, vmax=vmax, cmap=argv['-cmap'])
                        # pos = rd.axdisp[-1].get_position()
                        # cax = rd.fig.add_axes((pos.x0, 0.12, pos.width, 0.01))
                        # rd.fig.colorbar(cb, cax=cax, label="log likelyhood", orientation="horizontal")

                    else:
                        "display the dispersion curves as stored in the database"
                        for i in range(len(llks))[::-1]:
                            # rd.plotmodel(color=colors[i], alpha=1.0, linewidth=3, *ms[i])
                            # rd.plotdisp(color=colors[i], alpha=1.0, linewidth=3, *ds[i])
                            rd.addmodel(colorvalue=llks[i], *ms[i])
                            rd.adddisp(colorvalue=llks[i], *ds[i])
                        # cb = makecolorbar(vmin=vmin, vmax=vmax, cmap=argv['-cmap'])
                        # pos = rd.axdisp[-1].get_position()
                        # cax = rd.fig.add_axes((pos.x0, 0.12, pos.width, 0.01))
                        # rd.fig.colorbar(cb, cax=cax, label="log likelyhood", orientation="horizontal")
                        # cax.set_xticklabels(cax.get_xticklabels(), rotation=90., horizontalalignment="center")

                    rd.showdispcoll(vmin=vmin,
                                    vmax=vmax,
                                    cmap=argv['-cmap'],
                                    alpha=1.0,
                                    linewidth=3)
                    rd.showdepthcoll(vmin=vmin,
                                     vmax=vmax,
                                     cmap=argv['-cmap'],
                                     alpha=1.0,
                                     linewidth=3)
                    rd.colorbar(vmin=vmin,
                                vmax=vmax,
                                cmap=argv['-cmap'],
                                label="log likelyhood",
                                orientation="horizontal")
                    print rd.cax.get_position()
                    rd.cax.set_xticklabels(rd.cax.get_xticklabels(),
                                           rotation=90.,
                                           horizontalalignment="center")

                # ---- display posterior pdf
                if "-pdf" in argv.keys():

                    assert argv["-pdf"] == [] or len(
                        argv["-pdf"]) == 4  # unexpected argument number
                    if argv["-pdf"] == []:
                        pdf_mode, pdf_limit, pdf_llkmin, pdf_step = \
                            default_pdf_mode, default_pdf_limit, default_pdf_llkmin, default_pdf_step
                    elif len(argv['-pdf']) == 4:
                        pdf_mode, pdf_limit, pdf_llkmin, pdf_step = argv[
                            '-pdf']
                    else:
                        raise Exception()

                    print "pdf : %s, limit %d, llkmin %f, step %d" % (
                        pdf_mode, pdf_limit, pdf_llkmin, pdf_step),
                    if pdf_mode == "best":
                        chainids, weights, llks, ms, ds = \
                            rundb.getzip(limit=pdf_limit,
                                         llkmin=pdf_llkmin,
                                         step=pdf_step,
                                         algo="METROPOLIS")
                    elif pdf_mode == "last":
                        chainids, weights, llks, ms, ds = \
                            rundb.getlastszip(limit=pdf_limit,
                                              llkmin=pdf_llkmin,
                                              step=pdf_step,
                                              algo="METROPOLIS")
                    else:
                        raise Exception('unexpected pdf mode %s' % pdf_mode)

                    dms = [
                        depthmodel_from_arrays(ztop, vp, vs, rh)
                        for ztop, vp, vs, rh in ms
                    ]

                    # display percentiles of model and data pdfs
                    clr = "b" if "-plot" not in argv.keys() else "k"
                    alp = 1.0 if "-plot" not in argv.keys() else 0.5

                    for p, (vppc, vspc, rhpc, prpc) in \
                            dmstats1(dms,
                                     percentiles=[0.01, 0.16, 0.5, 0.84, 0.99],
                                     Ndepth=100,
                                     Nvalue=100,
                                     weights=weights,
                                     **mapkwargs):
                        try:
                            l = 3 if p == 0.5 else 1
                            for what, where in zip([vppc, vspc, rhpc, prpc], [
                                    rd.axdepth['VP'], rd.axdepth['VS'],
                                    rd.axdepth['RH'], rd.axdepth['PR']
                            ]):
                                if where is not None:
                                    what.show(where,
                                              color=clr,
                                              linewidth=l,
                                              alpha=alp)

                        except KeyboardInterrupt:
                            raise
                        except Exception as e:
                            print "Error", str(e)

                    # display the disp pdf
                    for p, (wpc, tpc, mpc, fpc, vpc) in \
                            dispstats(ds,
                                      percentiles=[0.01, 0.16, 0.5, 0.84, 0.99],
                                      Ndisp=100,
                                      weights=weights,
                                      **mapkwargs):
                        try:
                            l = 3 if p == 0.5 else 1
                            rd.plotdisp(wpc,
                                        tpc,
                                        mpc,
                                        fpc,
                                        vpc,
                                        dvalues=None,
                                        color=clr,
                                        alpha=alp,
                                        linewidth=l)

                        except KeyboardInterrupt:
                            raise
                        except Exception as e:
                            print "Error", str(e)

    # ------
    if os.path.exists(paramfile):
        p, _ = load_paramfile(paramfile)
        showvp, showvs, showrh, showpr = True, True, True, True
        if isinstance(p, Parameterizer_mZVSVPRH):
            showpr = False
        elif isinstance(p, Parameterizer_mZVSPRRH):
            showvp = False
        elif isinstance(p, Parameterizer_mZVSPRzRHvp):
            showvp = showpr = showrh = False
        elif isinstance(p, Parameterizer_mZVSPRzRHz):
            showvp = showpr = showrh = False
        else:
            raise Exception('')

        #
        vplow, vphgh, vslow, vshgh, rhlow, rhhgh, prlow, prhgh = p.boundaries()

        for what, where in zip(\
                [vplow, vphgh, vslow, vshgh, rhlow, rhhgh, prlow, prhgh],
                [rd.axdepth['VP'], rd.axdepth['VP'], rd.axdepth['VS'], rd.axdepth['VS'], rd.axdepth['RH'], rd.axdepth['RH'], rd.axdepth['PR'], rd.axdepth['PR']]):
            if where is not None:
                what.show(where,
                          alpha=1.0,
                          color="k",
                          marker="o--",
                          linewidth=1,
                          markersize=3)
        zmax = 1.1 * p.inv(p.MINF)[0][-1]

        if isinstance(p, Parameterizer_mZVSPRzRHvp):
            rd.axdepth['PR'].plot(p.PRz(np.linspace(0., zmax, 100)),
                                  np.linspace(0., zmax, 100),
                                  "r--",
                                  linewidth=3)
            legendtext(rd.axdepth['PR'], p.PRzName, loc=4)
            legendtext(rd.axdepth['RH'], p.RHvpName, loc=4)
        elif isinstance(p, Parameterizer_mZVSPRzRHz):
            rd.axdepth['PR'].plot(p.PRz(np.linspace(0., zmax, 100)),
                                  np.linspace(0., zmax, 100),
                                  "r--",
                                  linewidth=3)
            rd.axdepth['RH'].plot(p.RHz(np.linspace(0., zmax, 100)),
                                  np.linspace(0., zmax, 100),
                                  "r--",
                                  linewidth=3)
            legendtext(rd.axdepth['PR'], p.PRzName, loc=4)
            legendtext(rd.axdepth['RH'], p.RHzName, loc=4)

        rd.set_zlim(np.array([0, zmax]))
    else:
        print "call option --param to see prior depth boundaries"

    # --------------------
    if "-m96" in argv.keys():  # plot user data on top
        for m96 in argv['-m96']:
            try:
                dm = depthmodel_from_mod96(m96)
                dm.vp.show(rd.axdepth['VP'], "m", linewidth=3, label=m96)
                dm.vs.show(rd.axdepth['VS'], "m", linewidth=3)
                dm.rh.show(rd.axdepth['RH'], "m", linewidth=3)
                dm.pr().show(rd.axdepth['PR'], "m", linewidth=3)
            except KeyboardInterrupt:
                raise
            except:  #Exception as e:
                print 'could not read or display %s (reason : %s)' % (m96,
                                                                      str(e))
            rd.axdepth['VP'].legend(loc=3)
    if "-ritt" in argv.keys():
        a = AsciiFile('/mnt/labex2/home/max/data/boreholes/GRT1/GRT1.logsonic')

        for what, where in zip(
            [a.data['VS'], a.data['VP'], a.data['VP'] / a.data['VS']],
            [rd.axdepth['VS'], rd.axdepth['VP'], rd.axdepth['PR']]):
            if where is not None:
                where.plot(what, a.data['TVD'] / 1000., "m", alpha=0.5)

    # --------------------
    if os.path.exists(targetfile):
        # plot data on top
        rd.plotdisp(d.waves,
                    d.types,
                    d.modes,
                    d.freqs,
                    d.inv(dobs),
                    dvalues=d.dvalues,
                    alpha=.5,
                    color="r",
                    linewidth=2)

        if "-overdisp" in argv.keys():
            rd.set_vlim((0.5 * d.values.min(), 1.5 * d.values.max()))
            rd.set_plim((0.8 / overfreqs.max(), 1.2 / overfreqs.min()))
        else:
            rd.set_vlim((0.8 * d.values.min(), 1.2 * d.values.max()))
            rd.set_plim((0.8 / d.freqs.max(), 1.2 / d.freqs.min()))
    rd.tick()
    rd.grid()
    rd.fig.suptitle(rootname.split('_HerrMet_')[-1])
    if "-ftsz" in argv.keys():
        chftsz(rd.fig, argv["-ftsz"][0])
    else:
        chftsz(rd.fig, default_fontsize)
    if "-png" in argv.keys():
        dpi = argv['-png'][0] if len(argv['-png']) else default_dpi
        if verbose:
            print "writing %s" % pngfile
        rd.fig.savefig(pngfile, dpi=dpi)
    elif "-inline" in argv.keys():
        plt.show()
    else:
        showme()
    plt.close(rd.fig)
示例#5
0
import numpy as np
from srfpython.depthdisp.dispcurves import mklaws, igroupbywtm
from srfpython.depthdisp.depthmodels import depthmodel_from_arrays
from srfpython.Herrmann.Herrmann import dispersion

# depth model
ztop = [0.00, 0.25, 0.45, 0.65, 0.85, 1.05, 1.53, 1.80]  # km, top layer depth
vp = [1.85, 2.36, 2.63, 3.15, 3.71, 4.54, 5.48, 5.80]  # km/s
vs = [0.86, 1.10, 1.24, 1.47, 1.73, 2.13, 3.13, 3.31]  # km/s
rh = [2.47, 2.47, 2.47, 2.47, 2.47, 2.58, 2.58, 2.63]  # g/cm3

dm = depthmodel_from_arrays(ztop, vp, vs, rh)

# dipsersion parameters
# f = np.logspace(np.log10(0.1), np.log10(500.), 100) # frequency array, km/s : ERROR : example of missing modes as reported by Herrmann !!!!!
f = np.logspace(np.log10(0.1), np.log10(10.), 100)  # frequency array, km/s

# dispersion curves
curves = [('R', 'C', 0, f), ('R', 'C', 1, f), ('R', 'C', 2, f),
          ('R', 'C', 3, f), ('R', 'C', 4, f), ('R', 'C', 5, f),
          ('R', 'C', 6, f)]

# compute dispersion laws
Waves, Types, Modes, Freqs = zip(*curves)
waves, types, modes, freqs = igroupbywtm(Waves, Types, Modes, Freqs)
values = dispersion(ztop, vp, vs, rh, waves, types, modes, freqs)
laws = mklaws(waves, types, modes, freqs, values, dvalues=None)
c0, c1, c2, c3 = laws[:4]

if __name__ == "__main__":
    from srfpython import *
import numpy as np
from srfpython.depthdisp.depthmodels import depthmodel_from_arrays
import os
os.system('mkdir --parents ./model/nodes')

with np.load('./model/model.npz') as loader:
    x = loader['x']
    y = loader['y']
    z = loader['z']
    vs = loader['vs']
    vp = loader['vp']
    rh = loader['rh']

nx, ny, nz = len(x), len(y), len(z)

for iy in range(ny):
    for ix in range(nx):
        nodename = "node_iy%03d_ix%03d" % (iy, ix)
        filename = "./model/nodes/{}.mod96".format(nodename)

        dm = depthmodel_from_arrays(z=z,
                                    vp=vp[:, iy, ix],
                                    vs=vs[:, iy, ix],
                                    rh=rh[:, iy, ix])
        print(filename)
        dm.write96(filename=filename)
示例#7
0
 def inv_to_depthmodel(self, m):
     """same as inv but pack output into a depthmodel object
     do not subclass"""
     ztop, vp, vs, rh = self.inv(m)
     dm = depthmodel_from_arrays(ztop, vp, vs, rh)
     return dm