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#/*##########################################################################
# Copyright (C) 2004-2014 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.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This file 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "LGPL2+"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import sys
from . import Object3DQt as qt
from . import Object3DSlider
DEBUG = 0
class Object3DColormap(qt.QGroupBox):
sigObject3DColormapSignal = qt.pyqtSignal(object)
def __init__(self, parent = None):
qt.QGroupBox.__init__(self, parent)
self.setTitle('Colormap')
self.colormapList = ["Greyscale", "Reverse Grey", "Temperature",
"Red", "Green", "Blue", "Many"]
# default values
self.dataMin = -10
self.dataMax = 10
self.minValue = 0
self.maxValue = 1
self.colormapIndex = 2
self.colormapType = 0
self.autoscale = False
self.autoscale90 = False
self.__disconnected = False
self.build()
self._update()
def build(self):
self.mainLayout = qt.QGridLayout(self)
self.mainLayout.setContentsMargins(0, 0, 0, 0)
self.mainLayout.setSpacing(2)
# the ComboBox
self.comboBox = qt.QComboBox(self)
for colormap in self.colormapList:
self.comboBox.addItem(colormap)
self.mainLayout.addWidget(self.comboBox, 0, 0)
self.comboBox.activated[int].connect(self.colormapChanged)
# autoscale
self.autoScaleButton = qt.QPushButton("Autoscale", self)
self.autoScaleButton.setCheckable(True)
self.autoScaleButton.setAutoDefault(False)
self.autoScaleButton.toggled[bool].connect(self.autoscaleChanged)
self.mainLayout.addWidget(self.autoScaleButton, 0, 1)
# autoscale 90%
self.autoScale90Button = qt.QPushButton("Autoscale 90%", self)
self.autoScale90Button.setCheckable(True)
self.autoScale90Button.setAutoDefault(False)
self.autoScale90Button.toggled[bool].connect(self.autoscale90Changed)
self.mainLayout.addWidget(self.autoScale90Button, 0, 2)
#the checkboxes
self.buttonGroup = qt.QButtonGroup()
g1 = qt.QCheckBox(self)
g1.setText("Linear")
g2 = qt.QCheckBox(self)
g2.setText("Logarithmic")
g3 = qt.QCheckBox(self)
g3.setText("Gamma")
self.buttonGroup.addButton(g1, 0)
self.buttonGroup.addButton(g2, 1)
self.buttonGroup.addButton(g3, 2)
self.buttonGroup.setExclusive(True)
if self.colormapType == 1:
self.buttonGroup.button(1).setChecked(True)
elif self.colormapType == 2:
self.buttonGroup.button(2).setChecked(True)
else:
self.buttonGroup.button(0).setChecked(True)
self.mainLayout.addWidget(g1, 1, 0)
self.mainLayout.addWidget(g2, 1, 1)
self.mainLayout.addWidget(g3, 1, 2)
self.buttonGroup.buttonClicked[int].connect(self.buttonGroupChanged)
# The max line
label = qt.QLabel(self)
label.setText('Maximum')
self.maxText = qt.QLineEdit(self)
self.maxText.setText("%f" % self.maxValue)
self.maxText.setAlignment(qt.Qt.AlignRight)
self.maxText.setFixedWidth(self.maxText.fontMetrics().width('######.#####'))
v = qt.QDoubleValidator(self.maxText)
self.maxText.setValidator(v)
self.mainLayout.addWidget(label, 0, 3)
self.mainLayout.addWidget(self.maxText, 0, 4)
self.maxText.editingFinished.connect(self.textChanged)
# The min line
label = qt.QLabel(self)
label.setText('Minimum')
self.minText = qt.QLineEdit(self)
self.minText.setFixedWidth(self.minText.fontMetrics().width('######.#####'))
self.minText.setAlignment(qt.Qt.AlignRight)
self.minText.setText("%f" % self.minValue)
v = qt.QDoubleValidator(self.minText)
self.minText.setValidator(v)
self.mainLayout.addWidget(label, 1, 3)
self.mainLayout.addWidget(self.minText, 1, 4)
self.minText.editingFinished.connect(self.textChanged)
# The sliders
self.dataMin = -10
self.dataMax = 10
self.minValue = 0
self.maxValue = 1
self.sliderList = []
delta = (self.dataMax-self.dataMin) / 200.
for i in [0, 1]:
slider = Object3DSlider.Object3DSlider(self, qt.Qt.Horizontal)
slider.setRange(self.dataMin, self.dataMax, delta)
if i == 0:
slider.setValue(self.maxValue)
else:
slider.setValue(self.minValue)
self.mainLayout.addWidget(slider, i, 5)
slider.valueChanged.connect(self.sliderChanged)
self.sliderList.append(slider)
def colormapChanged(self, value):
self.colormapIndex = value
self._emitSignal()
def autoscaleChanged(self, value):
self.autoscale = value
self.__disconnected = True
self.setAutoscale(value)
self.__disconnected = False
self._emitSignal()
def autoscale90Changed(self, value):
self.autoscale90 = value
self.__disconnected = True
self.setAutoscale90(value)
self.__disconnected = False
self._emitSignal()
def buttonGroupChanged(self, value):
self.colormapType = value
self._emitSignal()
def textChanged(self):
valueMax = float(str(self.maxText.text()))
valueMin = float(str(self.minText.text()))
a = min(valueMax, valueMin)
b = max(valueMax, valueMin)
self.maxText.setText("%f" % b)
self.minText.setText("%f" % a)
oldMin = min(self.sliderList[0].value(),
self.sliderList[1].value())
oldMax = max(self.sliderList[0].value(),
self.sliderList[1].value())
emit = False
self.__disconnected = True
if (oldMax - valueMax) != 0.0:
emit = True
self.sliderList[0].setValue(valueMax)
if (oldMin - valueMin) != 0.0:
emit = True
self.sliderList[1].setValue(valueMax)
self.minValue = valueMin
self.maxValue = valueMax
self.__disconnected = False
if emit: self._emitSignal()
def sliderChanged(self, value):
if self.__disconnected:
return
if DEBUG:
print("sliderChanged")
value0 = self.sliderList[0].value()
value1 = self.sliderList[1].value()
self.maxText.setText("%f" % max(value0, value1))
self.minText.setText("%f" % min(value0, value1))
self.minValue = min(value0, value1)
self.maxValue = max(value0, value1)
self._emitSignal()
def _update(self):
if DEBUG:
print("colormap _update called")
self.__disconnected = True
delta = (self.dataMax - self.dataMin)/ 200.
self.sliderList[0].setRange(self.dataMin, self.dataMax, delta)
self.sliderList[0].setValue(self.maxValue)
self.sliderList[1].setRange(self.dataMin, self.dataMax, delta)
self.sliderList[1].setValue(self.minValue)
self.maxText.setText("%g" % self.maxValue)
self.minText.setText("%g" % self.minValue)
self.comboBox.setCurrentIndex(self.colormapIndex)
self.buttonGroup.button(self.colormapType).setChecked(True)
self.setAutoscale(self.autoscale)
self.setAutoscale90(self.autoscale90)
self.__disconnected = False
def _emitSignal(self, event = None):
if self.__disconnected:
return
if event is None:
event = 'ColormapChanged'
if DEBUG:
print("sending colormap")
ddict = self.getParameters()
ddict['event'] = event
self.sigObject3DColormapSignal.emit(ddict)
def setAutoscale(self, val):
if DEBUG:
print("setAutoscale called", val)
if val:
self.autoScaleButton.setChecked(True)
self.autoScale90Button.setChecked(False)
self.setMinValue(self.dataMin)
self.setMaxValue(self.dataMax)
for slider in self.sliderList:
self.__disconnected = True
delta = (self.dataMax - self.dataMin)/200.
slider.setRange(self.dataMin, self.dataMax, delta)
slider.setEnabled(False)
self.__disconnected = False
self.maxText.setEnabled(0)
self.minText.setEnabled(0)
else:
self.autoScaleButton.setChecked(False)
self.autoScale90Button.setChecked(False)
self.minText.setEnabled(1)
self.maxText.setEnabled(1)
for slider in self.sliderList:
slider.setEnabled(True)
def setAutoscale90(self, val):
if val:
self.autoScaleButton.setChecked(False)
self.setMinValue(self.dataMin)
self.setMaxValue(self.dataMax - abs(self.dataMax/10.))
for slider in self.sliderList:
self.__disconnected = True
delta = (self.dataMax - self.dataMin)/200.
slider.setRange(self.dataMin, self.dataMax, delta)
slider.setEnabled(False)
self.__disconnected = False
self.minText.setEnabled(0)
self.maxText.setEnabled(0)
else:
self.autoScale90Button.setChecked(False)
if not self.autoscale:
self.minText.setEnabled(1)
self.maxText.setEnabled(1)
for slider in self.sliderList:
self.__disconnected = True
delta = (self.dataMax - self.dataMin)/200.
slider.setRange(self.dataMin, self.dataMax, delta)
slider.setEnabled(True)
self.__disconnected = False
# MINIMUM
"""
change min value and update colormap
"""
def setMinValue(self, val):
v = float(str(val))
self.minValue = v
self.minText.setText("%g"%v)
self.__disconnected = True
self.sliderList[1].setValue(v)
self.__disconnected = False
# MAXIMUM
"""
change max value and update colormap
"""
def setMaxValue(self, val):
v = float(str(val))
self.maxValue = v
self.maxText.setText("%g"%v)
self.__disconnected = True
self.sliderList[0].setValue(v)
self.__disconnected = False
def getParameters(self):
ddict = {}
if self.minValue > self.maxValue:
vMax = self.minValue
else:
vMax = self.maxValue
ddict['colormap'] = [self.colormapIndex, self.autoscale,
self.minValue, vMax,
self.dataMin, self.dataMax,
self.colormapType]
return ddict
def setParameters(self, ddict):
if 'colormap' in ddict:
self.__disconnected = True
self.colormapIndex, self.autoscale, \
self.minValue, self.maxValue, \
self.dataMin, self.dataMax, \
self.colormapType = ddict['colormap']
self._update()
self.__disconnected = False
def test():
app = qt.QApplication(sys.argv)
app.lastWindowClosed.connect(app.quit)
def slot(ddict):
print("ddict= ", ddict)
demo = Object3DColormap()
demo.sigObject3DColormapSignal.connect(slot)
demo.show()
app.exec_()
if __name__ == "__main__":
test()
|
