created file for recon vs MC quantities evaluation

hexsample/bin/hxplots.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2023 luca.baldini@pi.infn.it
+#
+# For the license terms see the file LICENSE, distributed along with this
+# software.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""Event file viewer comparing reconstructed quantities with MC truth.
+"""
+from ast import literal_eval
+
+import numpy as np
+
+from hexsample.app import ArgumentParser
+from hexsample.fileio import ReconInputFile
+from hexsample.hist import Histogram1d, Histogram2d
+from hexsample.plot import plt, setup_gca
+from hexsample.analysis import create_histogram
+
+
+__description__ = \
+"""Simple viewer for reconstructed event lists.
+"""
+
+# Parser object.
+HXVIEW_ARGPARSER = ArgumentParser(description=__description__)
+HXVIEW_ARGPARSER.add_infile()
+
+def hxview(**kwargs):
+    """View the file content.
+    Shows histograms of energy and cluster_size of recon events vs their MC truth.
+    """
+    input_file = ReconInputFile(kwargs['infile'])
+    # Plotting the reconstructed energy and the true energy
+    histo = create_histogram(input_file, 'energy', mc = False)
+    mc_histo = create_histogram(input_file, 'energy', mc = True)
+    plt.figure('Photons energy')
+    histo.plot(label='Reconstructed')
+    mc_histo.plot(label='MonteCarlo')
+    plt.xlabel('Energy [eV]')
+    plt.legend()
+
+    # Plotting the reconstructed x and y position and the true position.
+    plt.figure('Reconstructed photons position')
+    binning = np.linspace(-5. * 0.1, 5. * 0.1, 100)
+    x = input_file.column('posx')
+    y = input_file.column('posy')
+    histo = Histogram2d(binning, binning).fill(x, y)
+    histo.plot()
+    setup_gca(xlabel='x [cm]', ylabel='y [cm]')
+    plt.figure('True photons position')
+    x_mc = input_file.mc_column('absx')
+    y_mc = input_file.mc_column('absy')
+    histo_mc = Histogram2d(binning, binning).fill(x_mc, y_mc)
+    histo_mc.plot()
+    setup_gca(xlabel='x [cm]', ylabel='y [cm]')
+    #Closing the file and showing the figures.
+    plt.figure('x-direction resolution')
+    binning = np.linspace((x-x_mc).min(), (x-x_mc).max(), 100)
+    histx = Histogram1d(binning, xlabel=r'$x - x_{MC}$ [cm]').fill(x-x_mc)
+    histx.plot()
+    plt.figure('y-direction resolution')
+    binning = np.linspace((y-y_mc).min(), (y-y_mc).max(), 100)
+    histy = Histogram1d(binning, xlabel=r'$y - y_{MC}$ [cm]').fill(y-y_mc)
+    histy.plot()
+
+    input_file.close()
+    plt.show()
+
+if __name__ == '__main__':
+    hxview(**vars(HXVIEW_ARGPARSER.parse_args()))