diff options
Diffstat (limited to 'examples/scatter/scatterdatamodifier.cpp')
| -rw-r--r-- | examples/scatter/scatterdatamodifier.cpp | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/examples/scatter/scatterdatamodifier.cpp b/examples/scatter/scatterdatamodifier.cpp index d9fc5bc3..1fb08c93 100644 --- a/examples/scatter/scatterdatamodifier.cpp +++ b/examples/scatter/scatterdatamodifier.cpp @@ -34,6 +34,7 @@ ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter) m_style(QDataVis::MeshStyleSpheres), m_smooth(true) { + //! [0] QFont font = m_graph->font(); font.setPointSize(m_fontSize); m_graph->setFont(font); @@ -41,13 +42,19 @@ ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter) m_graph->setTheme(QDataVis::ThemeEbony); m_graph->setShadowQuality(QDataVis::ShadowQualityHigh); m_graph->scene()->activeCamera()->setCameraPreset(QDataVis::CameraPresetFront); + //! [0] + + //! [1] m_graph->setAxisX(new Q3DValueAxis); m_graph->setAxisY(new Q3DValueAxis); m_graph->setAxisZ(new Q3DValueAxis); + //! [1] + //! [2] QScatterDataProxy *proxy = new QScatterDataProxy; proxy->setItemLabelFormat("@xTitle: @xLabel @yTitle: @yLabel @zTitle: @zLabel"); m_graph->setActiveDataProxy(proxy); + //! [2] changeLabelStyle(); } @@ -57,13 +64,16 @@ ScatterDataModifier::~ScatterDataModifier() delete m_graph; } +//! [3] void ScatterDataModifier::start() { addData(); } +//! [3] void ScatterDataModifier::addData() { + //! [4] // Add labels m_graph->axisX()->setTitle("X"); m_graph->axisY()->setTitle("Y"); @@ -71,10 +81,13 @@ void ScatterDataModifier::addData() m_graph->axisX()->setRange(-50.0, 50.0); m_graph->axisY()->setRange(-1.0, 1.0); m_graph->axisZ()->setRange(-50.0, 50.0); + //! [4] + //! [5] QScatterDataArray *dataArray = new QScatterDataArray; dataArray->resize(numberOfItems); QScatterDataItem *ptrToDataArray = &dataArray->first(); + //! [5] #ifdef RANDOM_SCATTER for (int i = 0; i < numberOfItems; i++) { @@ -82,6 +95,7 @@ void ScatterDataModifier::addData() ptrToDataArray++; } #else + //! [6] float limit = qSqrt(numberOfItems) / 2.0f; for (float i = -limit; i < limit; i++) { for (float j = -limit; j < limit; j++) { @@ -89,11 +103,15 @@ void ScatterDataModifier::addData() ptrToDataArray++; } } + //! [6] #endif - static_cast<QScatterDataProxy *>(m_graph->activeDataProxy())->resetArray(dataArray); + //! [7] + m_graph->activeDataProxy()->resetArray(dataArray); + //! [7] } +//! [8] void ScatterDataModifier::changeStyle(int style) { m_style = QDataVis::MeshStyle(style + 5); // skip unsupported mesh types @@ -117,7 +135,7 @@ void ScatterDataModifier::changePresetCamera() m_graph->scene()->activeCamera()->setCameraPreset((QDataVis::CameraPreset)preset); - if (++preset > QDataVis::CameraPresetDirectlyAboveCCW45) + if (++preset > QDataVis::CameraPresetDirectlyBelow) preset = QDataVis::CameraPresetFrontLow; } @@ -141,15 +159,13 @@ void ScatterDataModifier::changeFont(const QFont &font) void ScatterDataModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq) { int quality = int(sq); - // Updates the UI component to show correct shadow quality - emit shadowQualityChanged(quality); + emit shadowQualityChanged(quality); // connected to a checkbox in main.cpp } void ScatterDataModifier::changeShadowQuality(int quality) { QDataVis::ShadowQuality sq = QDataVis::ShadowQuality(quality); m_graph->setShadowQuality(sq); - emit shadowQualityChanged(quality); } void ScatterDataModifier::setBackgroundEnabled(int enabled) @@ -161,6 +177,7 @@ void ScatterDataModifier::setGridEnabled(int enabled) { m_graph->setGridVisible((bool)enabled); } +//! [8] QVector3D ScatterDataModifier::randVector() { |