surfacegraph.cpp Example File

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#include "surfacegraph.h" #include "topographicseries.h" #include <QtDataVisualization/QValue3DAxis> #include <QtDataVisualization/Q3DTheme> using namespace QtDataVisualization; const float areaWidth = 8000.0f; const float areaHeight = 8000.0f; const float aspectRatio = 0.1389f; const float minRange = areaWidth * 0.49f; SurfaceGraph::SurfaceGraph(Q3DSurface *surface) : m_graph(surface) { m_graph->setAxisX(new QValue3DAxis); m_graph->setAxisY(new QValue3DAxis); m_graph->setAxisZ(new QValue3DAxis); m_graph->axisX()->setLabelFormat("%i"); m_graph->axisZ()->setLabelFormat("%i"); m_graph->axisX()->setRange(0.0f, areaWidth); m_graph->axisY()->setRange(100.0f, areaWidth * aspectRatio); m_graph->axisZ()->setRange(0.0f, areaHeight); m_graph->axisX()->setLabelAutoRotation(30); m_graph->axisY()->setLabelAutoRotation(90); m_graph->axisZ()->setLabelAutoRotation(30); m_graph->activeTheme()->setType(Q3DTheme::ThemePrimaryColors); QFont font = m_graph->activeTheme()->font(); font.setPointSize(20); m_graph->activeTheme()->setFont(font); m_topography = new TopographicSeries(); m_topography->setTopographyFile(":/maps/topography", areaWidth, areaHeight); m_topography->setItemLabelFormat(QStringLiteral("@yLabel m")); m_highlight = new HighlightSeries(); m_highlight->setTopographicSeries(m_topography); m_highlight->setMinHeight(minRange * aspectRatio); m_highlight->handleGradientChange(areaWidth * aspectRatio); QObject::connect(m_graph->axisY(), &QValue3DAxis::maxChanged, m_highlight, &HighlightSeries::handleGradientChange); m_graph->addSeries(m_topography); m_graph->addSeries(m_highlight); m_inputHandler = new CustomInputHandler(m_graph); m_inputHandler->setHighlightSeries(m_highlight); m_inputHandler->setAxes(m_graph->axisX(), m_graph->axisY(), m_graph->axisZ()); m_inputHandler->setLimits(0.0f, areaWidth, minRange); m_inputHandler->setAspectRatio(aspectRatio); m_graph->setActiveInputHandler(m_inputHandler); } SurfaceGraph::~SurfaceGraph() { delete m_graph; } void SurfaceGraph::toggleSurfaceTexture(bool enable) { if (enable) m_topography->setTextureFile(":/maps/maptexture"); else m_topography->setTextureFile(""); }

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