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#/*##########################################################################
# Copyright (C) 2004-2016 V.A. Sole, European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import sys
import numpy
import logging
from PyMca5.PyMcaGui import MaskImageWidget
from PyMca5.PyMcaGui import ColormapDialog
from PyMca5 import spslut
from PyMca5.PyMcaGui import QPyMcaMatplotlibSave
MATPLOTLIB = True
convertToRowAndColumn = MaskImageWidget.convertToRowAndColumn
qt = MaskImageWidget.qt
IconDict = MaskImageWidget.IconDict
QTVERSION = qt.qVersion()
COLORMAPLIST = [spslut.GREYSCALE, spslut.REVERSEGREY, spslut.TEMP,
spslut.RED, spslut.GREEN, spslut.BLUE, spslut.MANY]
_logger = logging.getLogger(__name__)
class RGBImageCalculator(qt.QWidget):
sigAddImageClicked = qt.pyqtSignal(object)
sigRemoveImageClicked = qt.pyqtSignal(object)
sigReplaceImageClicked = qt.pyqtSignal(object)
def __init__(self, parent = None, math = True, replace = False,
scanwindow=None):
qt.QWidget.__init__(self, parent)
self.setWindowIcon(qt.QIcon(qt.QPixmap(IconDict['gioconda16'])))
self.setWindowTitle("PyMCA - RGB Image Calculator")
self.mainLayout = qt.QVBoxLayout(self)
self.mainLayout.setContentsMargins(0, 0, 0, 0)
self.mainLayout.setSpacing(0)
self.imageList = None
self.imageDict = None
self._imageData = None
self._xScale = None
self._yScale = None
self.__imagePixmap = None
self.__imageColormap = None
self.__imageColormapDialog = None
self.setDefaultColormap(2, logflag=False)
self._y1AxisInverted = False
self._matplotlibSaveImage = None
self._build(math = math, replace = replace, scanwindow=scanwindow)
def _buildMath(self):
self.mathBox = qt.QWidget(self)
self.mathBox.mainLayout = qt.QHBoxLayout(self.mathBox)
self.mathLabel = qt.QLabel(self.mathBox)
self.mathLabel.setText("New image = ")
self.mathExpression = qt.QLineEdit(self.mathBox)
text = ""
text += "Enter a mathematical expression in which your images\n"
text += "have to be identified by a number between curly brackets.\n"
text += "In order to normalize image 1 by image 2: {1}/{2}\n"
text += "The numbers go from 1 to the number of rows in the table.\n"
text += "If you can suggest useful correlation functions please,\n"
text += "do not hesitate to contact us in order to implement them."
self.mathExpression.setToolTip(text)
self.mathAction = qt.QToolButton(self.mathBox)
self.mathAction.setText("CALCULATE")
self.mathBox.mainLayout.addWidget(self.mathLabel)
self.mathBox.mainLayout.addWidget(self.mathExpression)
self.mathBox.mainLayout.addWidget(self.mathAction)
self.mainLayout.addWidget(self.mathBox)
self.mathAction.clicked.connect(self._calculateClicked)
def _build(self, math = True, replace = False, scanwindow=False):
if math:
self._buildMath()
self.graphWidget = MaskImageWidget.MaskImageWidget(self,
colormap=True,
standalonesave=True,
imageicons=False,
profileselection=True,
selection=False,
scanwindow=scanwindow,
aspect=True)
self.nameBox = qt.QWidget(self)
self.nameBox.mainLayout = qt.QHBoxLayout(self.nameBox)
self.nameLabel = qt.QLabel(self.nameBox)
self.nameLabel.setText("Image Name = ")
#self.nameLabel.setText(qt.QString(qt.QChar(0x3A3)))
self.name = qt.QLineEdit(self.nameBox)
self.nameBox.mainLayout.addWidget(self.nameLabel)
self.nameBox.mainLayout.addWidget(self.name)
# The IMAGE selection
#self.imageButtonBox = qt.QWidget(self)
self.imageButtonBox = self.nameBox
buttonBox = self.imageButtonBox
#self.imageButtonBoxLayout = qt.QHBoxLayout(buttonBox)
self.imageButtonBoxLayout = self.nameBox.mainLayout
self.imageButtonBoxLayout.setContentsMargins(0, 0, 0, 0)
self.imageButtonBoxLayout.setSpacing(0)
self.addImageButton = qt.QPushButton(buttonBox)
icon = qt.QIcon(qt.QPixmap(IconDict["rgb16"]))
self.addImageButton.setIcon(icon)
self.addImageButton.setText("ADD IMAGE")
self.removeImageButton = qt.QPushButton(buttonBox)
self.removeImageButton.setIcon(icon)
self.removeImageButton.setText("REMOVE IMAGE")
self.imageButtonBoxLayout.addWidget(self.addImageButton)
self.imageButtonBoxLayout.addWidget(self.removeImageButton)
if replace:
self.replaceImageButton = qt.QPushButton(buttonBox)
self.replaceImageButton.setIcon(icon)
self.replaceImageButton.setText("REPLACE IMAGE")
self.imageButtonBoxLayout.addWidget(self.replaceImageButton)
#self.mainLayout.addWidget(self.nameBox)
self.mainLayout.addWidget(self.graphWidget)
self.mainLayout.addWidget(buttonBox)
self.addImageButton.clicked.connect(self._addImageClicked)
self.removeImageButton.clicked.connect(self._removeImageClicked)
if replace:
self.replaceImageButton.clicked.connect( \
self._replaceImageClicked)
#it consumes too much CPU, therefore only on click
#self.graphWidget.graph.canvas().setMouseTracking(1)
self.graphWidget.graphWidget.showInfo()
self.graphWidget.graphWidget.graph.sigPlotSignal.connect(\
self._graphSignal)
def plotImage(self, update=True):
self.graphWidget.setImageData(self._imageData,
xScale=self._xScale,
yScale=self._yScale)
return self.graphWidget.plotImage(update=update)
def _calculateClicked(self):
_logger.debug("Calculate clicked")
text = "%s" % self.mathExpression.text()
if not len(text):
qt.QMessageBox.critical(self, "Calculation Error",
"Empty expression")
return 1
expression = text * 1
name = text * 1
i = 1
for label in self.imageList:
item = "{%d}" % i
replacingChain ="self.imageDict[self.imageList[%d]]['image']" % (i-1)
expression = expression.replace(item, replacingChain)
if sys.version < '3.0':
try:
tmpLabel = label.decode()
except UnicodeDecodeError:
try:
tmpLabel = label.decode('utf-8')
except UnicodeDecodeError:
try:
tmpLabel = label.decode('latin-1')
except UnicodeDecodeError:
tmpLabel = "image_%0d" % i
else:
tmpLabel = label
name = name.replace(item, tmpLabel)
i = i + 1
try:
self._imageData = 1 * eval(expression)
except:
error = sys.exc_info()
text = "Failed to evaluate expression:\n"
text += "%s\n" % expression
text += "%s" % error[1]
qt.QMessageBox.critical(self,"%s" % error[0], text)
return 1
self.plotImage()
self.setName("(%s)" % name)
def setName(self, name):
self.name.setText(name)
self.graphWidget.graph.setGraphTitle("%s" % name)
def _addImageClicked(self):
_logger.debug("Add image clicked")
if self._imageData is None:
return
if self._imageData == []:
return
text = "%s" % self.name.text()
if not len(text):
qt.QMessageBox.critical(self, "Name Error",
"Please give a name to the image")
return 1
ddict = {}
ddict['label'] = text
ddict['image'] = self._imageData
self.sigAddImageClicked.emit(ddict)
def _removeImageClicked(self):
_logger.debug("remove image clicked")
text = "%s" % self.name.text()
if not len(text):
qt.QMessageBox.critical(self, "Name Error",
"Please enter the image name")
return 1
self.sigRemoveImageClicked.emit(text)
def _replaceImageClicked(self):
_logger.debug("replace image clicked")
text = "%s" % self.name.text()
if not len(text):
qt.QMessageBox.critical(self, "Name Error",
"Please enter the image name")
return 1
ddict = {}
ddict['label'] = text
ddict['image'] = self._imageData
self.sigReplaceImageClicked.emit(ddict)
def setDefaultColormap(self, colormapindex, logflag=False):
self.__defaultColormap = COLORMAPLIST[min(colormapindex, len(COLORMAPLIST)-1)]
if logflag:
self.__defaultColormapType = spslut.LOG
else:
self.__defaultColormapType = spslut.LINEAR
def _graphSignal(self, ddict):
if ddict['event'] in ["mouseMoved", "MouseAt"]:
if self._imageData is None:
self.graphWidget.setInfoText(" X = ???? Y = ???? Z =????")
return
r, c = convertToRowAndColumn(ddict['x'], ddict['y'],
self._imageData.shape,
xScale=self._xScale,
yScale=self._yScale,
safe=True)
z = self._imageData[r, c]
self.graphWidget.graphWidget.setInfoText(" X = %.2f Y = %.2f Z = %.7g" %\
(ddict['x'], ddict['y'], z))
def closeEvent(self, event):
if self.__imageColormapDialog is not None:
self.__imageColormapDialog.close()
if self._matplotlibSaveImage is not None:
self._matplotlibSaveImage.close()
qt.QWidget.closeEvent(self, event)
def test():
app = qt.QApplication(sys.argv)
w = RGBImageCalculator()
array1 = numpy.arange(10000)
array2 = numpy.transpose(array1)
array3 = array1 * 1
array1.shape = [100,100]
array2.shape = [100,100]
array3.shape = [100,100]
imageList = ["array1", "array2","array3"]
imageDict = {"array1":{'image':array1},
"array2":{'image':array2},
"array3":{'image':array3}}
w.imageList = imageList
w.imageDict = imageDict
w.show()
app.exec_()
if __name__ == "__main__":
test()
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