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
|
# -*- coding: utf-8 -*-
#
# Licensed under the terms of the MIT License
# Copyright (c) 2015 Pierre Raybaut
# (see LICENSE file for more details)
"""Curve benchmark example"""
SHOW = True # Show test in GUI-based test launcher
import time
import numpy as np
from qtpy.QtWidgets import (
QApplication,
QMainWindow,
QGridLayout,
QTabWidget,
QWidget,
QTextEdit,
QLineEdit,
)
from qtpy.QtCore import Qt
from qwt import tests
import os
if os.environ.get("USE_PYQWT5", False):
USE_PYQWT5 = True
from PyQt4.Qwt5 import QwtPlot, QwtPlotCurve
else:
USE_PYQWT5 = False
from qwt import QwtPlot, QwtPlotCurve # analysis:ignore
COLOR_INDEX = None
def get_curve_color():
global COLOR_INDEX
colors = (Qt.blue, Qt.red, Qt.green, Qt.yellow, Qt.magenta, Qt.cyan)
if COLOR_INDEX is None:
COLOR_INDEX = 0
else:
COLOR_INDEX = (COLOR_INDEX + 1) % len(colors)
return colors[COLOR_INDEX]
class BMPlot(QwtPlot):
def __init__(self, title, xdata, ydata, style, symbol=None, *args):
super(BMPlot, self).__init__(*args)
self.setMinimumSize(200, 200)
self.setTitle(title)
self.setAxisTitle(QwtPlot.xBottom, "x")
self.setAxisTitle(QwtPlot.yLeft, "y")
self.curve_nb = 0
for idx in range(1, 11):
self.curve_nb += 1
QwtPlotCurve.make(
xdata,
ydata * idx,
style=style,
symbol=symbol,
linecolor=get_curve_color(),
antialiased=True,
plot=self,
)
self.replot()
class BMWidget(QWidget):
def __init__(self, points, *args, **kwargs):
super(BMWidget, self).__init__()
self.plot_nb = 0
self.curve_nb = 0
self.setup(points, *args, **kwargs)
def params(self, *args, **kwargs):
if kwargs.get("only_lines", False):
return (("Lines", None),)
else:
return (
("Lines", None),
("Dots", None),
)
def setup(self, points, *args, **kwargs):
x = np.linspace(0.001, 20.0, int(points))
y = (np.sin(x) / x) * np.cos(20 * x)
layout = QGridLayout()
nbcol, col, row = 2, 0, 0
for style, symbol in self.params(*args, **kwargs):
plot = BMPlot(style, x, y, getattr(QwtPlotCurve, style), symbol=symbol)
layout.addWidget(plot, row, col)
self.plot_nb += 1
self.curve_nb += plot.curve_nb
col += 1
if col >= nbcol:
row += 1
col = 0
self.text = QLineEdit()
self.text.setReadOnly(True)
self.text.setAlignment(Qt.AlignCenter)
self.text.setText("Rendering plot...")
layout.addWidget(self.text, row + 1, 0, 1, 2)
self.setLayout(layout)
class BMText(QTextEdit):
def __init__(self, parent=None, title=None):
super(BMText, self).__init__(parent)
self.setReadOnly(True)
library = "PyQwt5" if USE_PYQWT5 else "PythonQwt"
wintitle = self.parent().windowTitle()
if not wintitle:
wintitle = "Benchmark"
if title is None:
title = "%s example" % wintitle
self.parent().setWindowTitle("%s [%s]" % (wintitle, library))
self.setText(
"""\
<b>%s:</b><br>
(base plotting library: %s)<br><br>
Click on each tab to test if plotting performance is acceptable in terms of
GUI response time (switch between tabs, resize main windows, ...).<br>
<br><br>
<b>Benchmarks results:</b>
"""
% (title, library)
)
class CurveBenchmark1(QMainWindow):
TITLE = "Curve benchmark"
SIZE = (1000, 500)
def __init__(self, max_n=1000000, parent=None, unattended=False, **kwargs):
super(CurveBenchmark1, self).__init__(parent=parent)
title = self.TITLE
if kwargs.get("only_lines", False):
title = "%s (%s)" % (title, "only lines")
self.setWindowTitle(title)
self.tabs = QTabWidget()
self.setCentralWidget(self.tabs)
self.text = BMText(self)
self.tabs.addTab(self.text, "Contents")
self.resize(*self.SIZE)
# Force window to show up and refresh (for test purpose only)
self.show()
QApplication.processEvents()
t0g = time.time()
self.run_benchmark(max_n, **kwargs)
dt = time.time() - t0g
self.text.append("<br><br><u>Total elapsed time</u>: %d ms" % (dt * 1e3))
self.tabs.setCurrentIndex(0 if unattended else 1)
def process_iteration(self, title, description, widget, t0):
self.tabs.addTab(widget, title)
self.tabs.setCurrentWidget(widget)
# Force widget to refresh (for test purpose only)
QApplication.processEvents()
time_str = "Elapsed time: %d ms" % ((time.time() - t0) * 1000)
widget.text.setText(time_str)
self.text.append("<br><i>%s:</i><br>%s" % (description, time_str))
def run_benchmark(self, max_n, **kwargs):
for idx in range(4, -1, -1):
points = int(max_n / 10 ** idx)
t0 = time.time()
widget = BMWidget(points, **kwargs)
title = "%d points" % points
description = "%d plots with %d curves of %d points" % (
widget.plot_nb,
widget.curve_nb,
points,
)
self.process_iteration(title, description, widget, t0)
if __name__ == "__main__":
from qwt.tests import test_widget
app = test_widget(CurveBenchmark1, options=False)
|
