/usr/share/pyshared/PyMca/StackROIWindow.py is in pymca 4.5.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2011 European Synchrotron Radiation Facility
#
# This file is part of the PyMCA X-ray Fluorescence Toolkit developed at
# the ESRF by the Beamline Instrumentation Software Support (BLISS) group.
#
# This toolkit 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.
#
# PyMCA 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
# PyMCA; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307, USA.
#
# PyMCA 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.
#############################################################################*/
__author__ = "V.A. Sole - ESRF Software Group"
import sys
import numpy
import ExternalImagesWindow
MaskImageWidget = ExternalImagesWindow.MaskImageWidget
qt = ExternalImagesWindow.qt
try:
from PyMca.PyMcaSciPy.signal import median
except:
from PyMcaSciPy.signal import median
medfilt2d = median.medfilt2d
from PyMca_Icons import IconDict
class MedianParameters(qt.QWidget):
def __init__(self, parent=None):
qt.QWidget.__init__(self, parent)
self.mainLayout = qt.QHBoxLayout(self)
self.mainLayout.setMargin(0)
self.mainLayout.setSpacing(2)
self.label = qt.QLabel(self)
self.label.setText("Median filter width: ")
self.widthSpin = qt.QSpinBox(self)
self.widthSpin.setMinimum(1)
self.widthSpin.setMaximum(99)
self.widthSpin.setValue(1)
self.widthSpin.setSingleStep(2)
self.mainLayout.addWidget(self.label)
self.mainLayout.addWidget(self.widthSpin)
class StackROIWindow(ExternalImagesWindow.ExternalImagesWindow):
def __init__(self, *var, **kw):
original = kw['standalonesave']
kw['standalonesave'] = False
ExternalImagesWindow.ExternalImagesWindow.__init__(self, *var, **kw)
standalonesave = original
if standalonesave:
MaskImageWidget.MaskImageWidget.buildStandaloneSaveMenu(self)
self.backgroundIcon = qt.QIcon(qt.QPixmap(IconDict["subtract"]))
infotext = 'Toggle background image subtraction from current image\n'
infotext += 'No action if no background image available.'
self.backgroundIcon = qt.QIcon(qt.QPixmap(IconDict["subtract"]))
self.backgroundButton = self.graphWidget._addToolButton(\
self.backgroundIcon,
self.subtractBackground,
infotext,
toggle = True,
state = False,
position = 6)
self.buildAndConnectImageButtonBox()
self._toggleSelectionMode()
self._medianParameters = {'use':True,
'row_width':1,
'column_width':1}
self._medianParametersWidget = MedianParameters(self)
self._medianParametersWidget.widthSpin.setValue(1)
self.layout().addWidget(self._medianParametersWidget)
self.connect(self._medianParametersWidget.widthSpin,
qt.SIGNAL('valueChanged(int)'),
self.setKernelWidth)
def setKernelWidth(self, value):
kernelSize = numpy.asarray(value)
if len(kernelSize.shape) == 0:
kernelSize = [kernelSize.item()] * 2
self._medianParameters['row_width'] = kernelSize[0]
self._medianParameters['column_width'] = kernelSize[1]
self._medianParametersWidget.widthSpin.setValue(int(kernelSize[0]))
current = self.slider.value()
self.showImage(current, moveslider=False)
def subtractBackground(self):
current = self.slider.value()
self.showImage(current, moveslider=False)
def showImage(self, index=0, moveslider=True):
if self.imageList is None:
return
if len(self.imageList) == 0:
return
backgroundIndex = None
if self.backgroundButton.isChecked():
if self.imageNames is not None:
i = -1
for imageName in self.imageNames:
i += 1
if imageName.lower().endswith('background'):
backgroundIndex = i
break
mfText = self._medianTitle()
if backgroundIndex is None:
self.setImageData(self.imageList[index])
if self.imageNames is None:
self.graphWidget.graph.setTitle(mfText+"Image %d" % index)
else:
self.graphWidget.graph.setTitle(mfText+self.imageNames[index])
else:
self.setImageData(self.imageList[index]-\
self.imageList[backgroundIndex])
if self.imageNames is None:
self.graphWidget.graph.setTitle(mfText+"Image %d Net" % index)
else:
self.graphWidget.graph.setTitle(mfText+self.imageNames[index]+ " Net")
if moveslider:
self.slider.setValue(index)
def _medianTitle(self):
a = self._medianParameters['row_width']
b = self._medianParameters['column_width']
if max(a, b) > 1:
return "MF(%d,%d) " % (a, b)
else:
return ""
def setImageData(self, data, **kw):
if self._medianParameters['use']:
if max(self._medianParameters['row_width'],
self._medianParameters['column_width']) > 1:
data = medfilt2d(data,[self._medianParameters['row_width'],
self._medianParameters['column_width']])
ExternalImagesWindow.ExternalImagesWindow.setImageData(self, data, **kw)
def saveImageList(self, filename=None, imagelist=None, labels=None):
if imagelist is None:
#only the seen image
return MaskImageWidget.MaskImageWidget.saveImageList(self,
filename=filename)
return ExternalImagesWindow.ExternalImagesWindow.saveImageList(\
filename=filename, imagelist=imagelist, labels=labels)
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