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#/*##########################################################################
# Copyright (C) 2004-2015 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 os
import numpy
import traceback
from PyMca5.PyMcaGui import PyMcaQt as qt
from PyMca5.PyMcaGui.misc import SelectionTable
from PyMca5.PyMcaGui.plotting import MaskScatterWidget
class ScatterPlotCorrelatorWidget(MaskScatterWidget.MaskScatterWidget):
def __init__(self, parent=None,
labels=("Legend", "X", "Y"),
types=("Text","RadioButton", "RadioButton"),
toolbar=False,
**kw):
super(ScatterPlotCorrelatorWidget, self).__init__(None, **kw)
self._splitter = qt.QSplitter(parent)
self._splitter.setOrientation(qt.Qt.Horizontal)
self.container = qt.QWidget(self._splitter)
self.container.mainLayout = qt.QVBoxLayout(self.container)
self.container.mainLayout.setContentsMargins(0, 0, 0, 0)
self.container.mainLayout.setSpacing(0)
# add a toolbar on top of the table
if toolbar:
self.toolBar = qt.QToolBar(self.container)
# the selection table
self.table = SelectionTable.SelectionTable(self.container,
labels=labels,
types=types)
if toolbar:
self.container.mainLayout.addWidget(self.toolBar)
self.container.mainLayout.addWidget(self.table)
self._splitter.addWidget(self.container)
self._splitter.addWidget(self)
# internal variables
self._itemList = []
self._itemLabels = []
# connect
self.table.sigSelectionTableSignal.connect(self.selectionTableSlot)
def show(self):
if self._splitter.isHidden():
self._splitter.show()
else:
super(ScatterPlotCorrelatorWidget, self).show()
def setSelectableItemList(self, items, labels=None, copy=True):
self._itemList = []
self._itemLabels = []
if labels is None:
labels = [None] * len(items)
for i in range(len(items)):
self.addSelectableItem(items[i], label=labels[i], copy=copy)
def addSelectableItem(self, item, label=None, copy=True):
# we always keep a copy by default
item = numpy.array(item, dtype=numpy.float32, copy=copy)
if label is None:
label = "Unnamed 00"
i = 0
while(label in self._itemLabels):
i += 1
label = "Unnamed %02d" % i
if len(self._itemList):
if item.size != self._itemList[0].size:
raise IndexError("Invalid size")
if label in self._itemLabels:
self._itemList[self._itemLabels.index(label)] = item
else:
self._itemList.append(item)
self._itemLabels.append(label)
nItems = len(self._itemList)
self.table.setRowCount(nItems)
self.table.fillLine(nItems - 1, [label, "", ""])
self.table.resizeColumnToContents(0)
self.table.resizeColumnToContents(1)
self.table.resizeColumnToContents(2)
ddict = self.table.getSelection()
index = self._itemLabels.index(label)
xKey = qt.safe_str(self.table.horizontalHeaderItem(1).text()).lower()
yKey = qt.safe_str(self.table.horizontalHeaderItem(2).text()).lower()
if index in (ddict[xKey] + ddict[yKey]):
self.selectionTableSlot(ddict)
def selectionTableSlot(self, ddict):
legendKey = qt.safe_str(self.table.horizontalHeaderItem(0).text()).lower()
xKey = qt.safe_str(self.table.horizontalHeaderItem(1).text()).lower()
yKey = qt.safe_str(self.table.horizontalHeaderItem(2).text()).lower()
if len(ddict[xKey]):
x0 = self._itemList[ddict[xKey][0]]
else:
return
if len(ddict[yKey]):
y0 = self._itemList[ddict[yKey][0]]
else:
return
x = x0[:]
x.shape = -1
y = y0[:]
y.shape = -1
xLabel = self._itemLabels[ddict[xKey][0]]
yLabel = self._itemLabels[ddict[yKey][0]]
# active curve handling is disabled
self.setGraphXLabel(xLabel)
self.setGraphYLabel(yLabel)
self.setSelectionCurveData(x, y, legend=None,
color="k",
symbol=".",
replot=False,
replace=True,
xlabel=xLabel,
ylabel=yLabel,
selectable=False)
self._updatePlot(replot=False, replace=True)
#matplotlib needs a zoom reset to update the scales
# that problem does not seem to be present with OpenGL
self.resetZoom()
if __name__ == "__main__":
if "opengl" in sys.argv:
backend = "opengl"
else:
backend = None
app = qt.QApplication([])
w = ScatterPlotCorrelatorWidget(labels=["Legend",
"X",
"Y"],
types=["Text",
"RadioButton",
"RadioButton"],
maxNRois=1,
backend=backend)
w.show()
# fill some data
import numpy
import numpy.random
import time
t0 = time.time()
x = numpy.arange(1000000.)
w.addSelectableItem(x, "range(%d)" % x.size)
print("elapsed = ", time.time() - t0)
w.addSelectableItem(x * x, "range(%d) ** 2" % x.size)
x = numpy.random.random(x.size)
w.addSelectableItem(x, "random(%d)" % x.size)
x = numpy.random.normal(500000., 1.0, 1000000)
w.addSelectableItem(x, "Gauss 0")
x = numpy.random.normal(500000., 1.0, 1000000)
w.addSelectableItem(x, "Gauss 1")
w.setPolygonSelectionMode()
def theSlot(ddict):
print(ddict['event'])
w.sigMaskScatterWidgetSignal.connect(theSlot)
app.exec_()
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