surfacegraph.cpp Example File
texturesurface/surfacegraph.cpp
#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("");
}