1 files changed, 52 insertions, 0 deletions
diff --git a/examples/charts/dynamicspline/chart.py b/examples/charts/dynamicspline/chart.py
new file mode 100644
index 000000000..59ddef13f
--- /dev/null
+++ b/examples/charts/dynamicspline/chart.py
@@ -0,0 +1,52 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+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()