1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
# /*##########################################################################
#
# Copyright (c) 2017-2021 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 shows how to create a custom window around a PlotWidget.
It subclasses :class:`QMainWindow`, uses a :class:`~silx.gui.plot.PlotWidget`
as its central widget and adds toolbars and a colorbar by using pluggable widgets:
- :class:`~silx.gui.plot.PlotWidget` from :mod:`silx.gui.plot`
- QToolBar from :mod:`silx.gui.plot.tools`
- QAction from :mod:`silx.gui.plot.actions`
- QToolButton from :mod:`silx.gui.plot.PlotToolButtons`
- :class:`silx.gui.plot.ColorBar.ColorBarWidget`
"""
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "06/05/2019"
import numpy
from silx.gui import qt
from silx.gui.plot import PlotWidget
from silx.gui.plot import tools # QToolbars to use with PlotWidget
from silx.gui.plot import actions # QAction to use with PlotWidget
from silx.gui.plot import PlotToolButtons # QToolButton to use with PlotWidget
from silx.gui.plot.tools.RulerToolButton import RulerToolButton
from silx.gui.plot.ColorBar import ColorBarWidget
from silx.gui.plot.actions import control as control_actions
class MyPlotWindow(qt.QMainWindow):
"""QMainWindow with selected tools"""
def __init__(self, parent=None):
super(MyPlotWindow, self).__init__(parent)
# Create a PlotWidget
self._plot = PlotWidget(parent=self)
# Create a colorbar linked with the PlotWidget
colorBar = ColorBarWidget(parent=self, plot=self._plot)
# Make ColorBarWidget background white by changing its palette
colorBar.setAutoFillBackground(True)
palette = colorBar.palette()
palette.setColor(qt.QPalette.Window, qt.Qt.white)
palette.setColor(qt.QPalette.Window, qt.Qt.white)
colorBar.setPalette(palette)
options = qt.QWidget(self)
layout = qt.QVBoxLayout(options)
button = qt.QPushButton("Show image", self)
button.clicked.connect(self.showImage)
layout.addWidget(button)
button = qt.QPushButton("Show scatter", self)
button.clicked.connect(self.showScatter)
layout.addWidget(button)
button = qt.QPushButton("Show delaunay", self)
button.clicked.connect(self.showDelaunay)
layout.addWidget(button)
layout.addStretch()
# Combine the ColorBarWidget and the PlotWidget as
# this QMainWindow's central widget
gridLayout = qt.QGridLayout()
gridLayout.setSpacing(0)
gridLayout.setContentsMargins(0, 0, 0, 0)
gridLayout.addWidget(options, 0, 0)
gridLayout.addWidget(self._plot, 0, 1)
gridLayout.addWidget(colorBar, 0, 2)
gridLayout.setRowStretch(0, 1)
gridLayout.setColumnStretch(1, 1)
centralWidget = qt.QWidget(self)
centralWidget.setLayout(gridLayout)
self.setCentralWidget(centralWidget)
# Add ready to use toolbar with zoom and pan interaction mode buttons
interactionToolBar = tools.InteractiveModeToolBar(parent=self, plot=self._plot)
self.addToolBar(interactionToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(interactionToolBar.actions())
# Add a new toolbar
toolBar = qt.QToolBar("Plot Tools", self)
self.addToolBar(toolBar)
# Add actions from silx.gui.plot.action to the toolbar
resetZoomAction = actions.control.ResetZoomAction(parent=self, plot=self._plot)
toolBar.addAction(resetZoomAction)
# Add tool buttons from silx.gui.plot.PlotToolButtons
aspectRatioButton = PlotToolButtons.AspectToolButton(
parent=self, plot=self._plot
)
toolBar.addWidget(aspectRatioButton)
# Add tool buttons from silx.gui.plot.PlotToolButtons
rulerButton = RulerToolButton(
parent=self, plot=self._plot
)
toolBar.addWidget(rulerButton)
action = control_actions.OpenGLAction(parent=toolBar, plot=self._plot)
toolBar.addAction(action)
# Add ready to use toolbar with copy, save and print buttons
outputToolBar = tools.OutputToolBar(parent=self, plot=self._plot)
self.addToolBar(outputToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(outputToolBar.actions())
# Add limits tool bar from silx.gui.plot.PlotTools
limitsToolBar = tools.LimitsToolBar(parent=self, plot=self._plot)
self.addToolBar(qt.Qt.BottomToolBarArea, limitsToolBar)
def getPlotWidget(self):
"""Returns the PlotWidget contains in this window"""
return self._plot
def showImage(self):
plot = self.getPlotWidget()
plot.clear()
plot.getDefaultColormap().setName("viridis")
# Add an image to the plot
x = numpy.outer(numpy.linspace(-10, 10, 200), numpy.linspace(-10, 5, 150))
image = numpy.sin(x) / x
plot.addImage(image)
plot.resetZoom()
def showScatter(self):
plot = self.getPlotWidget()
plot.clear()
plot.getDefaultColormap().setName("viridis")
nbPoints = 50
x = numpy.random.rand(nbPoints)
y = numpy.random.rand(nbPoints)
value = numpy.random.rand(nbPoints)
plot.addScatter(x=x, y=y, value=value)
plot.resetZoom()
def showDelaunay(self):
plot = self.getPlotWidget()
plot.clear()
plot.getDefaultColormap().setName("viridis")
nbPoints = 50
x = numpy.random.rand(nbPoints)
y = numpy.random.rand(nbPoints)
value = numpy.random.rand(nbPoints)
scatter = plot.addScatter(x=x, y=y, value=value)
scatter.setVisualization("solid")
plot.resetZoom()
def main():
global app
app = qt.QApplication([])
# Create the ad hoc window containing a PlotWidget and associated tools
window = MyPlotWindow()
window.setAttribute(qt.Qt.WA_DeleteOnClose)
window.show()
window.showImage()
app.exec()
if __name__ == "__main__":
main()
|
