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Diffstat (limited to 'examples/charts/logvalueaxis/logvalueaxis.py')
-rw-r--r-- | examples/charts/logvalueaxis/logvalueaxis.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/examples/charts/logvalueaxis/logvalueaxis.py b/examples/charts/logvalueaxis/logvalueaxis.py new file mode 100644 index 000000000..c5e90c584 --- /dev/null +++ b/examples/charts/logvalueaxis/logvalueaxis.py @@ -0,0 +1,95 @@ +############################################################################# +## +## Copyright (C) 2021 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide6 port of the Logarithmic Axis Example from Qt v5.x""" + + + +import sys +from PySide6.QtCore import Qt, QPointF +from PySide6.QtGui import QPainter +from PySide6.QtWidgets import QMainWindow, QApplication +from PySide6.QtCharts import (QChart, QChartView, QLineSeries, QLogValueAxis, + QValueAxis) + + +class TestChart(QMainWindow): + def __init__(self): + QMainWindow.__init__(self) + + self.series = QLineSeries() + self.series.append([ + QPointF(1.0, 1.0), QPointF(2.0, 73.0), QPointF(3.0, 268.0), + QPointF(4.0, 17.0), QPointF(5.0, 4325.0), QPointF(6.0, 723.0)]) + + self.chart = QChart() + self.chart.addSeries(self.series) + self.chart.legend().hide() + self.chart.setTitle("Logarithmic axis example") + + self.axisX = QValueAxis() + self.axisX.setTitleText("Data point") + self.axisX.setLabelFormat("%i") + self.axisX.setTickCount(self.series.count()) + self.chart.addAxis(self.axisX, Qt.AlignBottom) + self.series.attachAxis(self.axisX) + + self.axisY = QLogValueAxis() + self.axisY.setTitleText("Values") + self.axisY.setLabelFormat("%g") + self.axisY.setBase(8.0) + self.axisY.setMinorTickCount(-1) + self.chart.addAxis(self.axisY, Qt.AlignLeft) + self.series.attachAxis(self.axisY) + + self.chartView = QChartView(self.chart) + self.chartView.setRenderHint(QPainter.Antialiasing) + + self.setCentralWidget(self.chartView) + + +if __name__ == "__main__": + app = QApplication(sys.argv) + + window = TestChart() + window.show() + window.resize(800, 600) + + sys.exit(app.exec_()) |