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+#!/usr/bin/env python
+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2017 European Synchrotron Radiation Facility
+#
+# 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.
+#
+# ###########################################################################*/
+"""This script is an example to illustrate how to use axis synchronization
+tool.
+"""
+
+from silx.gui import qt
+from silx.gui import plot
+import numpy
+import silx.test.utils
+
+
+class ConstrainedViewPlot(qt.QMainWindow):
+
+ def __init__(self):
+ qt.QMainWindow.__init__(self)
+ self.setWindowTitle("Plot with synchronized axes")
+ widget = qt.QWidget(self)
+ self.setCentralWidget(widget)
+
+ layout = qt.QGridLayout()
+ widget.setLayout(layout)
+
+ backend = "mpl"
+
+ data = numpy.arange(100 * 100)
+ data = (data % 100) / 5.0
+ data = numpy.sin(data)
+ data = silx.test.utils.add_gaussian_noise(data, mean=0.01)
+ data.shape = 100, 100
+
+ data1d = numpy.mean(data, axis=0)
+
+ self.plot2d = plot.Plot2D(parent=widget, backend=backend)
+ self.plot2d.setGraphTitle("A pixel can't be too big")
+ self.plot2d.setInteractiveMode('pan')
+ self.plot2d.addImage(data)
+ self.plot2d.getXAxis().setRangeConstraints(minRange=10)
+ self.plot2d.getYAxis().setRangeConstraints(minRange=10)
+
+ self.plot2d2 = plot.Plot2D(parent=widget, backend=backend)
+ self.plot2d2.setGraphTitle("The image can't be too small")
+ self.plot2d2.setInteractiveMode('pan')
+ self.plot2d2.addImage(data)
+ self.plot2d2.getXAxis().setRangeConstraints(maxRange=200)
+ self.plot2d2.getYAxis().setRangeConstraints(maxRange=200)
+
+ self.plot1d = plot.Plot1D(parent=widget, backend=backend)
+ self.plot1d.setGraphTitle("The curve is clamped into the view")
+ self.plot1d.addCurve(x=numpy.arange(100), y=data1d, legend="mean")
+ self.plot1d.getXAxis().setLimitsConstraints(minPos=0, maxPos=100)
+ self.plot1d.getYAxis().setLimitsConstraints(minPos=data1d.min(), maxPos=data1d.max())
+
+ self.plot1d2 = plot.Plot1D(parent=widget, backend=backend)
+ self.plot1d2.setGraphTitle("Only clamp y-axis")
+ self.plot1d2.setInteractiveMode('pan')
+ self.plot1d2.addCurve(x=numpy.arange(100), y=data1d, legend="mean")
+ self.plot1d2.getYAxis().setLimitsConstraints(minPos=data1d.min(), maxPos=data1d.max())
+
+ layout.addWidget(self.plot2d, 0, 0)
+ layout.addWidget(self.plot1d, 0, 1)
+ layout.addWidget(self.plot2d2, 1, 0)
+ layout.addWidget(self.plot1d2, 1, 1)
+
+
+if __name__ == "__main__":
+ app = qt.QApplication([])
+ window = ConstrainedViewPlot()
+ window.setVisible(True)
+ app.exec_()