diff options
Diffstat (limited to 'examples/charts/dynamicspline')
-rw-r--r-- | examples/charts/dynamicspline/chart.py | 53 | ||||
-rw-r--r-- | examples/charts/dynamicspline/doc/dynamicspline.rst | 15 | ||||
-rw-r--r-- | examples/charts/dynamicspline/doc/dynamicspline1.png | bin | 0 -> 34292 bytes | |||
-rw-r--r-- | examples/charts/dynamicspline/doc/dynamicspline2.png | bin | 0 -> 40347 bytes | |||
-rw-r--r-- | examples/charts/dynamicspline/dynamicspline.pyproject | 3 | ||||
-rw-r--r-- | examples/charts/dynamicspline/main.py | 28 |
6 files changed, 99 insertions, 0 deletions
diff --git a/examples/charts/dynamicspline/chart.py b/examples/charts/dynamicspline/chart.py new file mode 100644 index 000000000..0858007f1 --- /dev/null +++ b/examples/charts/dynamicspline/chart.py @@ -0,0 +1,53 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +from __future__ import annotations + +import random + +from PySide6.QtCharts import QChart, QSplineSeries, QValueAxis +from PySide6.QtCore import Qt, QTimer, Slot +from PySide6.QtGui import QPen + + +class Chart(QChart): + def __init__(self, parent=None): + super().__init__(QChart.ChartTypeCartesian, parent, Qt.WindowFlags()) + self._timer = QTimer() + self._series = QSplineSeries(self) + self._titles = [] + self._axisX = QValueAxis() + self._axisY = QValueAxis() + self._step = 0 + self._x = 5 + self._y = 1 + + self._timer.timeout.connect(self.handleTimeout) + self._timer.setInterval(1000) + + green = QPen(Qt.red) + green.setWidth(3) + self._series.setPen(green) + self._series.append(self._x, self._y) + + self.addSeries(self._series) + self.addAxis(self._axisX, Qt.AlignBottom) + self.addAxis(self._axisY, Qt.AlignLeft) + + self._series.attachAxis(self._axisX) + self._series.attachAxis(self._axisY) + self._axisX.setTickCount(5) + self._axisX.setRange(0, 10) + self._axisY.setRange(-5, 10) + + self._timer.start() + + @Slot() + def handleTimeout(self): + x = self.plotArea().width() / self._axisX.tickCount() + y = (self._axisX.max() - self._axisX.min()) / self._axisX.tickCount() + self._x += y + self._y = random.uniform(0, 5) - 2.5 + self._series.append(self._x, self._y) + self.scroll(x, 0) + if self._x == 100: + self._timer.stop() diff --git a/examples/charts/dynamicspline/doc/dynamicspline.rst b/examples/charts/dynamicspline/doc/dynamicspline.rst new file mode 100644 index 000000000..e946447b7 --- /dev/null +++ b/examples/charts/dynamicspline/doc/dynamicspline.rst @@ -0,0 +1,15 @@ +Dynamic Spline Example +====================== + +This example shows how to draw dynamic data. + +You can check a simple animation of this example +`here <https://qt-wiki-uploads.s3.amazonaws.com/images/thumb/f/f8/Dynamicspline.gif/300px-Dynamicspline.gif>`_. + +.. image:: dynamicspline1.png + :width: 400 + :alt: Dynamic Spline Screenshot 1 + +.. image:: dynamicspline2.png + :width: 400 + :alt: Dynamic Spline Screenshot 2 diff --git a/examples/charts/dynamicspline/doc/dynamicspline1.png b/examples/charts/dynamicspline/doc/dynamicspline1.png Binary files differnew file mode 100644 index 000000000..bcee80ed4 --- /dev/null +++ b/examples/charts/dynamicspline/doc/dynamicspline1.png diff --git a/examples/charts/dynamicspline/doc/dynamicspline2.png b/examples/charts/dynamicspline/doc/dynamicspline2.png Binary files differnew file mode 100644 index 000000000..595c38b1f --- /dev/null +++ b/examples/charts/dynamicspline/doc/dynamicspline2.png diff --git a/examples/charts/dynamicspline/dynamicspline.pyproject b/examples/charts/dynamicspline/dynamicspline.pyproject new file mode 100644 index 000000000..bdd641930 --- /dev/null +++ b/examples/charts/dynamicspline/dynamicspline.pyproject @@ -0,0 +1,3 @@ +{ + "files": ["chart.py", "main.py"] +} diff --git a/examples/charts/dynamicspline/main.py b/examples/charts/dynamicspline/main.py new file mode 100644 index 000000000..cbb5109f1 --- /dev/null +++ b/examples/charts/dynamicspline/main.py @@ -0,0 +1,28 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +from __future__ import annotations + +"""PySide6 port of the Dynamic Spline example from Qt v5.x""" +import sys + +from PySide6.QtCharts import QChart, QChartView +from PySide6.QtGui import QPainter +from PySide6.QtWidgets import QApplication, QMainWindow + +from chart import Chart + +if __name__ == "__main__": + + a = QApplication(sys.argv) + window = QMainWindow() + chart = Chart() + chart.setTitle("Dynamic spline chart") + chart.legend().hide() + chart.setAnimationOptions(QChart.AllAnimations) + chart_view = QChartView(chart) + chart_view.setRenderHint(QPainter.Antialiasing) + window.setCentralWidget(chart_view) + window.resize(400, 300) + window.show() + + sys.exit(a.exec()) |