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6 | ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
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28 | ****************************************************************************/ |
29 | |
30 | #include "surfacegraph.h" |
31 | #include "topographicseries.h" |
32 | |
33 | #include <QtDataVisualization/QValue3DAxis> |
34 | #include <QtDataVisualization/Q3DTheme> |
35 | |
36 | using namespace QtDataVisualization; |
37 | |
38 | const float areaWidth = 8000.0f; |
39 | const float areaHeight = 8000.0f; |
40 | const float aspectRatio = 0.1389f; |
41 | const float minRange = areaWidth * 0.49f; |
42 | |
43 | SurfaceGraph::SurfaceGraph(Q3DSurface *surface) |
44 | : m_graph(surface) |
45 | { |
46 | m_graph->setAxisX(new QValue3DAxis); |
47 | m_graph->setAxisY(new QValue3DAxis); |
48 | m_graph->setAxisZ(new QValue3DAxis); |
49 | m_graph->axisX()->setLabelFormat("%i" ); |
50 | m_graph->axisZ()->setLabelFormat("%i" ); |
51 | m_graph->axisX()->setRange(min: 0.0f, max: areaWidth); |
52 | m_graph->axisY()->setRange(min: 100.0f, max: areaWidth * aspectRatio); |
53 | m_graph->axisZ()->setRange(min: 0.0f, max: areaHeight); |
54 | m_graph->axisX()->setLabelAutoRotation(30); |
55 | m_graph->axisY()->setLabelAutoRotation(90); |
56 | m_graph->axisZ()->setLabelAutoRotation(30); |
57 | m_graph->activeTheme()->setType(Q3DTheme::ThemePrimaryColors); |
58 | |
59 | QFont font = m_graph->activeTheme()->font(); |
60 | font.setPointSize(20); |
61 | m_graph->activeTheme()->setFont(font); |
62 | |
63 | m_topography = new TopographicSeries(); |
64 | m_topography->setTopographyFile(file: ":/maps/topography" , width: areaWidth, height: areaHeight); |
65 | m_topography->setItemLabelFormat(QStringLiteral("@yLabel m" )); |
66 | |
67 | m_highlight = new HighlightSeries(); |
68 | m_highlight->setTopographicSeries(m_topography); |
69 | m_highlight->setMinHeight(minRange * aspectRatio); |
70 | m_highlight->handleGradientChange(value: areaWidth * aspectRatio); |
71 | //! [1] |
72 | QObject::connect(sender: m_graph->axisY(), signal: &QValue3DAxis::maxChanged, |
73 | receiver: m_highlight, slot: &HighlightSeries::handleGradientChange); |
74 | //! [1] |
75 | |
76 | m_graph->addSeries(series: m_topography); |
77 | m_graph->addSeries(series: m_highlight); |
78 | |
79 | m_inputHandler = new CustomInputHandler(m_graph); |
80 | m_inputHandler->setHighlightSeries(m_highlight); |
81 | m_inputHandler->setAxes(axisX: m_graph->axisX(), axisY: m_graph->axisY(), axisZ: m_graph->axisZ()); |
82 | m_inputHandler->setLimits(min: 0.0f, max: areaWidth, minRange); |
83 | m_inputHandler->setAspectRatio(aspectRatio); |
84 | |
85 | m_graph->setActiveInputHandler(m_inputHandler); |
86 | } |
87 | |
88 | SurfaceGraph::~SurfaceGraph() |
89 | { |
90 | delete m_graph; |
91 | } |
92 | |
93 | //! [0] |
94 | void SurfaceGraph::toggleSurfaceTexture(bool enable) |
95 | { |
96 | if (enable) |
97 | m_topography->setTextureFile(":/maps/maptexture" ); |
98 | else |
99 | m_topography->setTextureFile("" ); |
100 | } |
101 | //! [0] |
102 | |