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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#/*##########################################################################
#
# The PyMca X-Ray Fluorescence Toolkit
#
# Copyright (c) 2019-2020 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"
__doc__ = """
Silx Plot Backend.
"""
from silx.gui import qt
from silx.gui.plot import PlotWidget
import numpy
import logging
_logger = logging.getLogger(__name__)
class SilxBackend(PlotWidget):
def __init__(self, *var, **kw):
PlotWidget.__init__(self, *var, **kw)
# No context menu by default, execute zoomBack on right click
if "backend" in kw:
setBackend = kw["backend"]
else:
setBackend = None
_logger.info("SilxBackend called with backend = %s" % setBackend)
plotArea = self.getWidgetHandle()
plotArea.setContextMenuPolicy(qt.Qt.CustomContextMenu)
plotArea.customContextMenuRequested.connect(self._zoomBack)
self.addShape = self.addItem
def addItem(self, *var, **kw):
if len(var) < 2:
if len(var) == 0:
return PlotWidget.addItem(self, **kw)
else:
return PlotWidget.addItem(self, *var, **kw)
else:
return self.__addItem(*var, **kw)
def __addItem(self, xdata, ydata, legend=None, info=None,
replace=False, replot=True,
shape="polygon", fill=True, **kw):
if hasattr(PlotWidget, "addShape"):
m = PlotWidget.addShape
else:
m = PlotWidget.addItem
overlay = kw.get("overlay", False)
z = kw.get("z", None)
color = kw.get("color", "black")
linestyle = kw.get("linestyle", "-")
linewidth = kw.get("linewidth", 1.0)
linebgcolor = kw.get("linebgcolor", None)
return m(self, xdata, ydata, legend=legend,
replace=replace,
shape=shape, color=color, fill=fill,
overlay=overlay, z=z, linestyle=linestyle,
linewidth=linewidth,
linebgcolor=linebgcolor)
def _zoomBack(self, pos):
self.getLimitsHistory().pop()
def addCurve(self, *var, **kw):
if "replot" in kw:
if kw["replot"]:
kw["resetzoom"] = True
del kw["replot"]
result = PlotWidget.addCurve(self, *var, **kw)
allCurves = self.getAllCurves(just_legend=True)
if len(allCurves) == 1:
self.setActiveCurve(allCurves[0])
return result
def addImage(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
if "xScale" in kw:
xScale = kw["xScale"]
del kw["xScale"]
if "yScale" in kw:
yScale = kw["yScale"]
del kw["yScale"]
if xScale is not None or yScale is not None:
origin = kw.get("origin", None)
scale = kw.get("scale", None)
if origin is None and scale is None:
kw["origin"] = xScale[0], yScale[0]
kw["scale"] = xScale[1], yScale[1]
return PlotWidget.addImage(self, *var, **kw)
def setActiveCurve(self, legend, replot=True):
return PlotWidget.setActiveCurve(self, legend)
def setActiveImage(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return PlotWidget.setActiveImage(self, *var, **kw)
def insertXMarker(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return self.addXMarker(*var, **kw)
def insertYMarker(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return self.addYMarker(*var, **kw)
def insertMarker(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return self.addMarker(*var, **kw)
def removeCurve(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
# silx schedules replots, explicit replot call
# should not be needed
return PlotWidget.removeCurve(self, *var, **kw)
def isActiveCurveHandlingEnabled(self):
return self.isActiveCurveHandling()
def enableActiveCurveHandling(self, *args, **kwargs):
return self.setActiveCurveHandling(*args, **kwargs)
def invertYAxis(self, *args, **kwargs):
return self.getYAxis().setInverted(*args, **kwargs)
def showGrid(self, flag=True):
if flag in (0, False):
flag = None
elif flag in (1, True):
flag = 'major'
else:
flag = 'both'
return self.setGraphGrid(flag)
def keepDataAspectRatio(self, *args, **kwargs):
return self.setKeepDataAspectRatio(*args, **kwargs)
def hideCurve(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return PlotWidget.hideCurve(self, *var, **kw)
def setGraphXLimits(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return PlotWidget.setGraphXLimits(self, *var, **kw)
def setGraphYLimits(self, *var, **kw):
if "replot" in kw:
del kw["replot"]
return PlotWidget.setGraphYLimits(self, *var, **kw)
def isDrawModeEnabled(self):
return self.getInteractiveMode()['mode'] == 'draw'
def setDrawModeEnabled(self, flag=True, shape='polygon', label=None,
color=None, **kwargs):
if color is None:
color = 'black'
if isinstance(color, numpy.ndarray):
color = tuple(color)
if flag:
self.setInteractiveMode('draw', shape=shape,
label=label, color=color)
elif self.getInteractiveMode()['mode'] == 'draw':
self.setInteractiveMode('select')
def getDrawMode(self):
mode = self.getInteractiveMode()
return mode if mode['mode'] == 'draw' else None
def isZoomModeEnabled(self):
return self.getInteractiveMode()['mode'] == 'zoom'
def setZoomModeEnabled(self, flag=True, color=None):
if color is None:
color = 'black'
if isinstance(color, numpy.ndarray):
color = tuple(color)
if flag:
self.setInteractiveMode('zoom', color=color)
elif self.getInteractiveMode()['mode'] == 'zoom':
self.setInteractiveMode('select')
def setActiveCurveColor(self, *var, **kw):
return PlotWidget.setActiveCurveStyle(self, *var, **kw)
if __name__ == "__main__":
def callback(ddict):
print("RECEIVED = ", ddict)
from silx.gui import qt
app = qt.QApplication([])
w = SilxBackend()
w.setCallback(callback)
w.addCurve([1, 2, 3], [4, 5, 6], legend="My Curve")
w.insertXMarker(1.5, draggable=True)
w.show()
app.exec()
|
