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Diffstat (limited to 'tests/directional/scatterdatamodifier.cpp')
| -rw-r--r-- | tests/directional/scatterdatamodifier.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/tests/directional/scatterdatamodifier.cpp b/tests/directional/scatterdatamodifier.cpp new file mode 100644 index 00000000..065d9a89 --- /dev/null +++ b/tests/directional/scatterdatamodifier.cpp @@ -0,0 +1,181 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatterdatamodifier.h" +#include <QtDataVisualization/qscatterdataproxy.h> +#include <QtDataVisualization/qvalue3daxis.h> +#include <QtDataVisualization/q3dscene.h> +#include <QtDataVisualization/q3dcamera.h> +#include <QtDataVisualization/qscatter3dseries.h> +#include <QtDataVisualization/q3dtheme.h> +#include <qmath.h> +#include <QComboBox> + +using namespace QtDataVisualization; + +const int numberOfCols = 8; +const int numberOfRows = 8; +const float limit = 8.0f; +const float PI = 3.14159f; +//#define HEDGEHOG + +ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter) + : m_graph(scatter), + m_fontSize(40.0f), + m_style(QAbstract3DSeries::MeshUserDefined), + m_smooth(true) +{ + m_graph->activeTheme()->setType(Q3DTheme::ThemeEbony); + QFont font = m_graph->activeTheme()->font(); + font.setPointSize(m_fontSize); + m_graph->activeTheme()->setFont(font); + m_graph->setShadowQuality(QDataVis::ShadowQualitySoftLow); + m_graph->scene()->activeCamera()->setCameraPreset(Q3DCamera::CameraPresetFront); + + m_graph->setAxisX(new QValue3DAxis); + m_graph->setAxisY(new QValue3DAxis); + m_graph->setAxisZ(new QValue3DAxis); + + QScatterDataProxy *proxy = new QScatterDataProxy; + QScatter3DSeries *series = new QScatter3DSeries(proxy); + series->setItemLabelFormat("@xTitle: @xLabel @yTitle: @yLabel @zTitle: @zLabel"); + m_graph->addSeries(series); + + addData(); +} + +ScatterDataModifier::~ScatterDataModifier() +{ + delete m_graph; +} + +void ScatterDataModifier::addData() +{ + // Configure the axes according to the data + m_graph->axisX()->setTitle("X"); + m_graph->axisY()->setTitle("Y"); + m_graph->axisZ()->setTitle("Z"); + m_graph->axisX()->setRange(-limit, limit); + m_graph->axisY()->setRange(-1.0f, 1.0f); + m_graph->axisZ()->setRange(-limit, limit); + + QScatterDataArray *dataArray = new QScatterDataArray; + dataArray->resize(numberOfCols * numberOfRows); + QScatterDataItem *ptrToDataArray = &dataArray->first(); + + float angleStep = 360.0f / float(numberOfCols); + float latAngleStep = 100.0f / float(numberOfRows); + + for (float i = 0; i < numberOfRows; i++) { + float latAngle = float(i) * latAngleStep + 40.0f; + float radius = qSin(latAngle * PI / 180.0f) * limit; + float y = qCos(latAngle * PI / 180.0f) * 1.0f; +#ifdef HEDGEHOG + float angleZ = (qAtan((y * limit / 2.0f) / radius) * 180.0f / PI); + QQuaternion rotationZ = QQuaternion::fromAxisAndAngle(QVector3D(0.0f, 0.0f, 1.0f), angleZ - 90.0f); +#endif + for (float j = 0; j < numberOfCols; j++) { + float angle = float(j) * angleStep; + float x = qCos(angle * PI / 180.0f) * radius; + float z = qSin(angle * PI / 180.0f) * radius; + + float angleY = (qAtan(z / x) * 180.0f / PI); + if (x < 0) + angleY = 180.0f + angleY; + if (x > 0 && z < 0) + angleY = 360.0f + angleY; +#ifdef HEDGEHOG + QQuaternion rotationY = QQuaternion::fromAxisAndAngle(QVector3D(0.0f, 1.0f, 0.0f), angleY); + QQuaternion rotation = rotationY * rotationZ; +#else + QQuaternion rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0f, 1.0f, 0.0f), angleY) * + QQuaternion::fromAxisAndAngle(QVector3D(1.0f, 0.0f, 0.0f), -90.0f); +#endif + + ptrToDataArray->setPosition(QVector3D(x, y, z)); + ptrToDataArray->setRotation(rotation); + ptrToDataArray++; + } + } + + m_graph->seriesList().at(0)->dataProxy()->resetArray(dataArray); +} + +//! [8] +void ScatterDataModifier::changeStyle(int style) +{ + QComboBox *comboBox = qobject_cast<QComboBox *>(sender()); + if (comboBox) { + m_style = QAbstract3DSeries::Mesh(comboBox->itemData(style).toInt()); + if (m_graph->seriesList().size()) + m_graph->seriesList().at(0)->setMesh(m_style); + } +} + +void ScatterDataModifier::changeTheme(int theme) +{ + Q3DTheme *currentTheme = m_graph->activeTheme(); + currentTheme->setType(Q3DTheme::Theme(theme)); + emit backgroundEnabledChanged(currentTheme->isBackgroundEnabled()); + emit gridEnabledChanged(currentTheme->isGridEnabled()); + emit fontChanged(currentTheme->font()); +} + +void ScatterDataModifier::changePresetCamera() +{ + static int preset = Q3DCamera::CameraPresetFrontLow; + + m_graph->scene()->activeCamera()->setCameraPreset((Q3DCamera::CameraPreset)preset); + + if (++preset > Q3DCamera::CameraPresetDirectlyBelow) + preset = Q3DCamera::CameraPresetFrontLow; +} + +void ScatterDataModifier::changeLabelStyle() +{ + m_graph->activeTheme()->setLabelBackgroundEnabled(!m_graph->activeTheme()->isLabelBackgroundEnabled()); +} + +void ScatterDataModifier::changeFont(const QFont &font) +{ + QFont newFont = font; + newFont.setPointSizeF(m_fontSize); + m_graph->activeTheme()->setFont(newFont); +} + +void ScatterDataModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq) +{ + int quality = int(sq); + 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); +} + +void ScatterDataModifier::setBackgroundEnabled(int enabled) +{ + m_graph->activeTheme()->setBackgroundEnabled((bool)enabled); +} + +void ScatterDataModifier::setGridEnabled(int enabled) +{ + m_graph->activeTheme()->setGridEnabled((bool)enabled); +} |