/usr/lib/python2.7/dist-packages/PyMca/Plot1DQwt.py is in pymca 4.7.4+dfsg-1.
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) 2004-2012 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"
from PyMca import Plot1DWindowBase
from PyMca import QtBlissGraph
qt = QtBlissGraph.qt
class Plot1DQwt(Plot1DWindowBase.Plot1DWindowBase):
def __init__(self, parent=None, **kw):
Plot1DWindowBase.Plot1DWindowBase.__init__(self, parent, **kw)
mainLayout = self.layout()
if not ('usecrosscursor' in kw):
kw['usecrosscursor'] = True
self.graph = QtBlissGraph.QtBlissGraph(self, **kw)
self.graph.canvas().setMouseTracking(1)
self.graph.setCanvasBackground(qt.Qt.white)
mainLayout.addWidget(self.graph)
self.newCurve = self.addCurve
self.setTitle = self.graph.setTitle
self.activeCurve = None
self._logY = False
self.__toggleCounter = 0
def addCurve(self, x, y, legend=None, info=None, replace=False,
replot=True, **kw):
"""
Add the 1D curve given by x an y to the graph.
Additional recognized keywords:
xlabel
ylabel
"""
if legend is None:
key = "Unnamed curve 1.1"
else:
key = str(legend)
if info is None:
info = {}
xlabel = info.get('xlabel', 'X')
ylabel = info.get('ylabel', 'Y')
if 'xlabel' in kw:
info['xlabel'] = kw['xlabel']
if 'ylabel' in kw:
info['ylabel'] = kw['ylabel']
Plot1DWindowBase.Plot1DWindowBase.addCurve(self, x, y, legend=legend,
info=info, replace=replace,
replot=replot)
if replot:
if replace:
self.replot('REPLACE')
else:
self.replot('ADD')
def removeCurve(self, legend, replot=True):
"""
Remove the curve associated to the supplied legend from the graph.
The graph will be updated if replot is true.
"""
Plot1DWindowBase.Plot1DWindowBase.removeCurve(self, legend,
replot=replot)
if legend in self.graph.curves.keys():
self.graph.removeCurve(legend)
self._updateActiveCurve()
if replot:
self.graph.replot()
return
def replot(self, mode=None):
if mode in [None, 'REPLACE']:
if mode == 'REPLACE':
self.graph.clearCurves()
for curve in self.curveList:
x, y, legend, info = self.curveDict[curve]
self.graph.newCurve(curve, x, y, logfilter=self._logY)
self._updateActiveCurve()
self.graph.replot()
return
if mode.upper() == 'ADD':
for curve in self.curveList:
x, y, legend, info = self.curveDict[curve]
self.graph.newCurve(curve, x, y, logfilter=self._logY)
self._updateActiveCurve()
self.graph.replot()
return
def _updateActiveCurve(self):
self.activeCurve = self.getActiveCurve(just_legend=True)
if self.activeCurve not in self.curveList:
self.activeCurve = None
if self.activeCurve is None:
if len(self.curveList):
self.activeCurve = self.curveList[0]
if self.activeCurve is not None:
self.graph.setActiveCurve(self.activeCurve)
def _zoomReset(self):
self.graph.zoomReset()
def _yAutoScaleToggle(self):
if self.graph.yAutoScale:
self.graph.yAutoScale = False
self.yAutoScaleButton.setDown(False)
self.yAutoScaleButton.setChecked(False)
self.graph.setY1AxisLimits(*self.graph.getY1AxisLimits())
y2limits = self.graph.getY2AxisLimits()
if y2limits is not None:
y2min, y2max = y2limits[0:2]
self.graph.setY2AxisLimits(y2min, y2max)
else:
self.graph.yAutoScale = True
self.yAutoScaleButton.setDown(True)
self.graph.zoomReset()
def _xAutoScaleToggle(self):
if self.graph.xAutoScale:
self.graph.xAutoScale = False
self.xAutoScaleButton.setDown(False)
self.xAutoScaleButton.setChecked(False)
self.graph.setX1AxisLimits(*self.graph.getX1AxisLimits())
else:
self.graph.xAutoScale = True
self.xAutoScaleButton.setDown(True)
self._zoomReset()
def _toggleLogY(self):
if self._logY:
self._logY = False
else:
self._logY = True
activeCurve = self.graph.getActiveCurve(justlegend=1)
self.activeCurve = activeCurve
self.graph.clearCurves()
self.graph.toggleLogY()
self.replot(mode="ADD")
self.graph.setActiveCurve(activeCurve)
def _togglePointsSignal(self):
self.__toggleCounter = (self.__toggleCounter + 1) % 3
if self.__toggleCounter == 1:
self.graph.setDefaultPlotLines(True)
self.graph.setDefaultPlotPoints(True)
elif self.__toggleCounter == 2:
self.graph.setDefaultPlotPoints(True)
self.graph.setDefaultPlotLines(False)
else:
self.graph.setDefaultPlotLines(True)
self.graph.setDefaultPlotPoints(False)
self.graph.setActiveCurve(self.graph.getActiveCurve(justlegend=1))
self.graph.replot()
def getGraphXLimits(self):
"""
Get the graph X limits.
"""
xmin, xmax = self.graph.getX1AxisLimits()
return xmin, xmax
def getGraphYLimits(self):
"""
Get the graph Y (left) limits.
"""
ymin, ymax = self.graph.getY1AxisLimits()
return ymin, ymax
def setActiveCurve(self, legend):
"""
Funtion to request the plot window to set the curve with the specified
legend as the active curve.
It returns the active curve legend.
"""
key = str(legend)
if key in self.curveDict.keys():
self.activeCurve = key
self.graph.setActiveCurve(key)
return self.activeCurve
def main():
import numpy
x = numpy.arange(100.)
y = x * x
app = qt.QApplication([])
plot = Plot1DQwt(uselegendmenu=True)
plot.show()
plot.addCurve(x, y, "dummy")
plot.addCurve(x + 100, -x * x)
print("Active curve = ", plot.getActiveCurve())
print("X Limits = ", plot.getGraphXLimits())
print("Y Limits = ", plot.getGraphYLimits())
app.exec_()
if __name__ == "__main__":
main()
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