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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ //! [5]
++ #include <QtGraphs>
++ #include <QtGraphsWidgets/q3dsurfacewidgetitem.h>
++ #include <QtWidgets/qapplication.h>
++
++ int main(int argc, char **argv)
++ {
++ QApplication app(argc, argv);
++
++ //! [0]
++ QQuickWidget quickWidget;
++ Q3DSurfaceWidgetItem surface;
++ surface.setWidget(&quickWidget);
++ surface.widget()->setMinimumSize(QSize(256, 256));
++ //! [0]
++ //! [1]
++ QSurfaceDataArray data;
++ QSurfaceDataRow dataRow1;
++ QSurfaceDataRow dataRow2;
++ //! [1]
++
++ //! [2]
++ dataRow1 << QSurfaceDataItem(0.0f, 0.1f, 0.5f) << QSurfaceDataItem(1.0f, 0.5f, 0.5f);
++ dataRow2 << QSurfaceDataItem(0.0f, 1.8f, 1.0f) << QSurfaceDataItem(1.0f, 1.2f, 1.0f);
++ data << dataRow1 << dataRow2;
++ //! [2]
++
++ //! [3]
++ QSurface3DSeries series;
++ series.dataProxy()->resetArray(data);
++ surface.addSeries(&series);
++ //! [3]
++ //! [4]
++ surface.widget()->show();
++ //! [4]
++
++ return app.exec();
++ }
++ //! [5]