File: traceDMM.py

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# -*- coding: utf-8 -*-
__author__ = "Konstantin Klementiev", "Roman Chernikov"
__date__ = "08 Mar 2016"

import os, sys; sys.path.append(os.path.join('..', '..', '..'))  # analysis:ignore
import numpy as np

import BalderDMM
import xrt.plotter as xrtp
import xrt.runner as xrtr
#import xrt.backends.raycing.materials as rm

stripe = 'Si'
E0 = 8000
dE = 1200


def define_plots(beamLine):
    plots = []

    plot = xrtp.XYCPlot(
        'beamFSMDCM', (1,),
        xaxis=xrtp.XYCAxis(r'$x$', 'mm'), yaxis=xrtp.XYCAxis(r'$z$', 'mm'),
        caxis=xrtp.XYCAxis('energy', 'keV', fwhmFormatStr='%.2f'), title='DCM')
    plot.xaxis.limits = [-7., 7.]
    plot.yaxis.limits = [20.3-7., 20.3+7.]
    plot.fluxFormatStr = '%.1p'
    plot.textPanel = plot.fig.text(0.88, 0.8, '',
                                   transform=plot.fig.transFigure, size=14,
                                   color='r', ha='center')
    plot.baseName = 'afterDMM'
    plots.append(plot)

    plot = xrtp.XYCPlot(
        'beamDCMlocal1', (1,),
        xaxis=xrtp.XYCAxis(r'$x$', 'mm'), yaxis=xrtp.XYCAxis(r'$y$', 'mm'),
        caxis=xrtp.XYCAxis('energy', 'keV', fwhmFormatStr='%.2f'),
        title='Xtal1 local')
    plot.xaxis.limits = [-86., 86.]
    plot.yaxis.limits = [-86., 86.]
    plot.fluxFormatStr = '%.1p'
    plot.textPanel = plot.fig.text(0.88, 0.8, '',
                                   transform=plot.fig.transFigure, size=14,
                                   color='r', ha='center')
    plot.baseName = '1stML'
    plots.append(plot)

    for plot in plots:
        plot.caxis.limits = [(E0 - dE)*1e-3, (E0 + dE)*1e-3]
        plot.caxis.offset = E0*1e-3
    return plots


def plot_generator(plots, beamLine):
    energies = np.linspace(E0 - 500, E0 + 500, 7)
#    energies = E0,
    for energy in energies:
        BalderDMM.align_beamline(beamLine, energy=energy)
        thetaDeg = np.degrees(
            beamLine.dmm.bragg - 2*beamLine.vcm.pitch)
        for plot in plots:
            baseName = '{0}_{1:05.0f}'.format(plot.baseName, thetaDeg*1e4)
            plot.saveName = baseName + '.png'
#            plot.persistentName = baseName + '.pickle'
            if hasattr(plot, 'textPanel'):
                plot.textPanel.set_text(
                    '$\\theta$ = {0:.3f}$^o$'.format(thetaDeg))
        if BalderDMM.showIn3D:
            beamLine.glowFrameName = 'DMM_{0:05.0f}.jpg'.format(thetaDeg*1e4)
        yield


def main():
    myBalder = BalderDMM.build_beamline(
        stripe=stripe, eMinRays=E0-dE, eMaxRays=E0+dE)
    if BalderDMM.showIn3D:
        myBalder.glow(scale=[500, 10, 500], centerAt='VCM', startFrom=1,
                      generator=plot_generator, generatorArgs=[[], myBalder])
        return
    plots = define_plots(myBalder)
    xrtr.run_ray_tracing(plots, repeats=120, generator=plot_generator,
                         beamLine=myBalder,
                         globalNorm=True,
                         processes=1)

#this is necessary to use multiprocessing in Windows, otherwise the new Python
#contexts cannot be initialized:
if __name__ == '__main__':
    main()