/usr/lib/python2.7/dist-packages/PyMca/Median2DBrowser.py is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | #/*##########################################################################
# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of 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 numpy
try:
from PyMca import StackBrowser
from PyMca.PyMcaSciPy.signal import median
except ImportError:
print("Median2DBrowser importing directly!")
import StackBrowser
from PyMcaSciPy.signal import median
medfilt2d = median.medfilt2d
qt = StackBrowser.qt
DEBUG = 0
class MedianParameters(qt.QWidget):
def __init__(self, parent=None, use_conditional=False):
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)
if use_conditional:
self.conditionalLabel = qt.QLabel(self)
self.conditionalLabel.setText("Conditional:")
self.conditionalSpin = qt.QSpinBox(self)
self.conditionalSpin.setMinimum(0)
self.conditionalSpin.setMaximum(1)
self.conditionalSpin.setValue(0)
self.mainLayout.addWidget(self.label)
self.mainLayout.addWidget(self.widthSpin)
if use_conditional:
self.mainLayout.addWidget(self.conditionalLabel)
self.mainLayout.addWidget(self.conditionalSpin)
class Median2DBrowser(StackBrowser.StackBrowser):
def __init__(self, *var, **kw):
StackBrowser.StackBrowser.__init__(self, *var, **kw)
self.setWindowTitle("Image Browser with Median Filter")
self._medianParameters = {'use':True,
'row_width':5,
'column_width':5,
'conditional':0}
self._medianParametersWidget = MedianParameters(self,
use_conditional=1)
self._medianParametersWidget.widthSpin.setValue(5)
self.layout().addWidget(self._medianParametersWidget)
self.connect(self._medianParametersWidget.widthSpin,
qt.SIGNAL('valueChanged(int)'),
self.setKernelWidth)
self.connect(self._medianParametersWidget.conditionalSpin,
qt.SIGNAL('valueChanged(int)'),
self.setConditionalFlag)
def setKernelWidth(self, value):
kernelSize = numpy.asarray(value)
if not (int(value) % 2):
msg = qt.QMessageBox(self)
msg.setIcon(qt.QMessageBox.Critical)
msg.setWindowTitle("Median filter error")
msg.setText("One odd values accepted")
msg.exec_()
return
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 setConditionalFlag(self, value):
self._medianParameters['conditional'] = int(value)
self._medianParametersWidget.conditionalSpin.setValue(int(value))
current = self.slider.value()
self.showImage(current, moveslider=False)
def _buildTitle(self, legend, index):
a = self._medianParameters['row_width']
b = self._medianParameters['column_width']
title = StackBrowser.StackBrowser._buildTitle(self, legend, index)
if max(a, b) > 1:
if self._medianParameters['conditional'] == 0:
return "Median Filter (%d,%d) of %s" % (a, b, title)
else:
return "Conditional Median Filter (%d,%d) of %s" % (a, b, title)
else:
return title
def showImage(self, index=0, moveslider=True):
if not len(self.dataObjectsList):
return
legend = self.dataObjectsList[0]
dataObject = self.dataObjectsDict[legend]
data = self._getImageDataFromSingleIndex(index)
if self._backgroundSubtraction and (self._backgroundImage is not None):
self.setImageData(data - self._backgroundImage)
else:
self.setImageData(data, clearmask=False)
txt = self._buildTitle(legend, index)
self.graphWidget.graph.setTitle(txt)
self.name.setText(txt)
if moveslider:
self.slider.setValue(index)
def setImageData(self, data, **kw):
if self._medianParameters['use']:
if max(self._medianParameters['row_width'],
self._medianParameters['column_width']) > 1:
conditional = self._medianParameters['conditional']
data = medfilt2d(data,[self._medianParameters['row_width'],
self._medianParameters['column_width']],
conditional=conditional)
# this method is in fact of MaskImageWidget
StackBrowser.StackBrowser.setImageData(self, data, **kw)
if __name__ == "__main__":
#create a dummy stack
nrows = 100
ncols = 200
nchannels = 1024
a = numpy.ones((nrows, ncols), numpy.float)
stackData = numpy.zeros((nrows, ncols, nchannels), numpy.float)
for i in range(nchannels):
if i % 10:
stackData[:, :, i] = a * i
else:
stackData[:, :, i] = 10 * a * i
app = qt.QApplication([])
qt.QObject.connect(app, qt.SIGNAL("lastWindowClosed()"),
app,qt.SLOT("quit()"))
w = Median2DBrowser()
w.setStackDataObject(stackData, index=0)
w.show()
app.exec_()
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