adopt for Qt6

libs/graphic3d/scatter3d.cpp

@@ -9,10 +9,18 @@
 
 Scatter3D::Scatter3D(QWidget * parent): QWidget{parent} {
 	curGraphic = 0;
+#if QT_VERSION_MAJOR == 5
 	canvas     = new QtDataVisualization::Q3DScatter();
+#else
+	canvas     = new Q3DScatter();
+#endif
 	canvas->setFlag(Qt::FramelessWindowHint);
 	canvas->axisZ()->setReversed(true);
+#if QT_VERSION_MAJOR == 5
 	canvas->setShadowQuality(QtDataVisualization::QAbstract3DGraph::ShadowQualityNone);
+#else
+	canvas->setShadowQuality(QAbstract3DGraph::ShadowQualityNone);
+#endif
 	container = QWidget::createWindowContainer(canvas);
 	setLayout(new QVBoxLayout(this));
 	layout()->setContentsMargins(0, 0, 0, 0);
@@ -98,8 +106,13 @@ void Scatter3D::setGraphicMeshSmooth(bool smooth, int index) {
 
 void Scatter3D::addGraphic(const QColor & color, float pointSize, Mesh mesh, bool meshSmooth) {
 	Scatter3DGraphic sg;
+#if QT_VERSION_MAJOR == 5
 	sg.data   = new QtDataVisualization::QScatterDataProxy();
 	sg.series = new QtDataVisualization::QScatter3DSeries(sg.data);
+#else
+	sg.data   = new QScatterDataProxy();
+	sg.series = new QScatter3DSeries(sg.data);
+#endif
 	sg.series->setItemSize(pointSize);
 	sg.series->setBaseColor(color);
 	sg.series->setMesh(mesh);