File: combina.py

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#/*##########################################################################
# Copyright (C) 2001-2013 European Synchrotron Radiation Facility
#
#              PyHST2  
#  European Synchrotron Radiation Facility, Grenoble,France
#
# PyHST2 is  developed at
# the ESRF by the Scientific Software  staff.
# Principal author for PyHST2: Alessandro Mirone.
#
# 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.
#
# PyHST2 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
# PyHST2; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307, USA.
#
# PyHST2 follows the dual licensing model of Trolltech's Qt and Riverbank's PyQt
# and cannot be used as a free plugin for a non-free program. 
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license 
# is a problem for you.
#############################################################################*/
import numpy as np
from PyMca import EdfFile
import math

c = EdfFile.EdfFile("c0642.edf").GetData(0)
s = EdfFile.EdfFile("s0642.edf").GetData(0)

npjs = c.shape[0]

angles = np.linspace(0,math.pi, npjs, endpoint=False)

data = (c*(np.cos(angles)[:,None]) -s*(np.sin(angles)[:,None])).astype("f")

EdfFile.EdfFile("d0642.edf").WriteImage({}, data)