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Diffstat (limited to 'examples/scatterchart/scatterchart.cpp')
-rw-r--r-- | examples/scatterchart/scatterchart.cpp | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/examples/scatterchart/scatterchart.cpp b/examples/scatterchart/scatterchart.cpp new file mode 100644 index 00000000..ac8676b5 --- /dev/null +++ b/examples/scatterchart/scatterchart.cpp @@ -0,0 +1,325 @@ +/**************************************************************************** +** +** 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 QtDataVis3D 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 "scatterchart.h" +#include <QtDataVis3D/qscatterdataproxy.h> +#include <QtDataVis3D/qvalueaxis.h> +#include <qmath.h> +using namespace QtDataVis3D; + +//#define RANDOM_SCATTER + +const int numberOfItems = 10000; + +ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter) + : m_chart(scatter), + m_fontSize(30.0f) +{ + m_chart->setFontSize(m_fontSize); + m_chart->setObjectType(QDataVis::Spheres, true); + m_chart->setTheme(QDataVis::ThemeBrownSand); + m_chart->setShadowQuality(QDataVis::ShadowHigh); + + QScatterDataProxy *proxy = new QScatterDataProxy; + m_chart->setDataProxy(proxy); + + connect(&m_timer, &QTimer::timeout, this, &ScatterDataModifier::timeout); +} + +ScatterDataModifier::~ScatterDataModifier() +{ + delete m_chart; +} + +void ScatterDataModifier::start() +{ + addData(); +} + +void ScatterDataModifier::addData() +{ + // Add labels + m_chart->valueAxisX()->setTitle("Somethings"); + m_chart->valueAxisY()->setTitle("Values"); + m_chart->valueAxisZ()->setTitle("Others"); + m_chart->valueAxisX()->setRange(-50.0, 50.0); + m_chart->valueAxisY()->setRange(-1.0, 1.0); + m_chart->valueAxisZ()->setRange(-50.0, 50.0); + + QScatterDataArray *dataArray = new QScatterDataArray; + dataArray->resize(numberOfItems); + QScatterDataItem *ptrToDataArray = &dataArray->first(); + +#if RANDOM_SCATTER + for (int i = 0; i < numberOfItems; i++) { + ptrToDataArray->setPosition(randVector()); + ptrToDataArray++; + } +#else + float limit = qSqrt(numberOfItems) / 2.0f; + for (float i = -limit; i < limit; i++) { + for (float j = -limit; j < limit; j++) { + ptrToDataArray->setPosition(QVector3D(i, qCos(qDegreesToRadians((i * j) / 7.5)), j)); + ptrToDataArray++; + } + } +#endif + + static_cast<QScatterDataProxy *>(m_chart->dataProxy())->resetArray(dataArray); +} + +void ScatterDataModifier::changeStyle() +{ + static int model = 0; + switch (model) { + case 0: + m_chart->setObjectType(QDataVis::Dots, false); + break; + case 1: + m_chart->setObjectType(QDataVis::Dots, true); + break; + case 2: + m_chart->setObjectType(QDataVis::Spheres, false); + break; + case 3: + m_chart->setObjectType(QDataVis::Spheres, true); + break; + } + model++; + if (model > 3) + model = 0; +} + +void ScatterDataModifier::changePresetCamera() +{ + static int preset = QDataVis::PresetFrontLow; + + m_chart->setCameraPreset((QDataVis::CameraPreset)preset); + + if (++preset > QDataVis::PresetDirectlyAboveCCW45) + preset = QDataVis::PresetFrontLow; +} + +void ScatterDataModifier::changeTheme() +{ + static int theme = QDataVis::ThemeSystem; + + m_chart->setTheme((QDataVis::ColorTheme)theme); + + if (++theme > QDataVis::ThemeLight) + theme = QDataVis::ThemeSystem; +} + +void ScatterDataModifier::changeTransparency() +{ + static int transparency = QDataVis::TransparencyNone; + + m_chart->setLabelTransparency((QDataVis::LabelTransparency)transparency); + + if (++transparency > QDataVis::TransparencyNoBackground) + transparency = QDataVis::TransparencyNone; +} + +void ScatterDataModifier::changeFont(const QFont &font) +{ + QFont newFont = font; + newFont.setPointSizeF(m_fontSize); + m_chart->setFont(newFont); +} + +void ScatterDataModifier::changeFontSize(int fontsize) +{ + m_fontSize = fontsize; + m_chart->setFontSize((GLfloat)m_fontSize); +} + +void ScatterDataModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq) +{ + int quality = 0; + switch (sq) { + case QDataVis::ShadowLow: + quality = 1; + break; + case QDataVis::ShadowMedium: + quality = 2; + break; + case QDataVis::ShadowHigh: + quality = 3; + break; + } + + // Updates the UI component to show correct shadow quality + emit shadowQualityChanged(quality); +} + +void ScatterDataModifier::clear() +{ + m_chart->dataProxy()->resetArray(0); + qDebug() << m_loopCounter << "Cleared array"; +} + +void ScatterDataModifier::addOne() +{ + QScatterDataItem item(randVector()); + int addIndex = m_chart->dataProxy()->addItem(item); + qDebug() << m_loopCounter << "added one to index:" << addIndex << "array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::addBunch() +{ + QScatterDataArray items(100); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + int addIndex = m_chart->dataProxy()->addItems(items); + qDebug() << m_loopCounter << "added bunch to index:" << addIndex << "array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::insertOne() +{ + QScatterDataItem item(randVector()); + m_chart->dataProxy()->insertItem(0, item); + qDebug() << m_loopCounter << "Inserted one, array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::insertBunch() +{ + QScatterDataArray items(100); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + m_chart->dataProxy()->insertItems(0, items); + qDebug() << m_loopCounter << "Inserted bunch, array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::changeOne() +{ + if (m_chart->dataProxy()->array()->size()) { + QScatterDataItem item(randVector()); + m_chart->dataProxy()->setItem(0, item); + qDebug() << m_loopCounter << "Changed one, array size:" << m_chart->dataProxy()->array()->size(); + } +} + +void ScatterDataModifier::changeBunch() +{ + if (m_chart->dataProxy()->array()->size()) { + int amount = qMin(m_chart->dataProxy()->array()->size(), 100); + QScatterDataArray items(amount); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + m_chart->dataProxy()->setItems(0, items); + qDebug() << m_loopCounter << "Changed bunch, array size:" << m_chart->dataProxy()->array()->size(); + } +} + +void ScatterDataModifier::removeOne() +{ + m_chart->dataProxy()->removeItems(0, 1); + qDebug() << m_loopCounter << "Removed one, array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::removeBunch() +{ + m_chart->dataProxy()->removeItems(0, 100); + qDebug() << m_loopCounter << "Removed bunch, array size:" << m_chart->dataProxy()->array()->size(); +} + +void ScatterDataModifier::timeout() +{ + int doWhat = rand() % 8; + if (!(rand() % 100)) + doWhat = -1; + + switch (doWhat) { + case 0: + addOne(); + break; + case 1: + addBunch(); + break; + case 2: + insertOne(); + break; + case 3: + insertBunch(); + break; + case 4: + changeOne(); + break; + case 5: + changeBunch(); + break; + case 6: + removeOne(); + break; + case 7: + removeBunch(); + break; + default: + clear(); + break; + } + + m_loopCounter++; +} + +void ScatterDataModifier::startStopTimer() +{ + if (m_timer.isActive()) { + m_timer.stop(); + } else { + clear(); + m_loopCounter = 0; + m_timer.start(0); + } +} + +void ScatterDataModifier::changeShadowQuality(int quality) +{ + QDataVis::ShadowQuality sq = QDataVis::ShadowNone; + switch (quality) { + case 1: + sq = QDataVis::ShadowLow; + break; + case 2: + sq = QDataVis::ShadowMedium; + break; + case 3: + sq = QDataVis::ShadowHigh; + break; + } + m_chart->setShadowQuality(sq); + emit shadowQualityChanged(quality); +} + +void ScatterDataModifier::setBackgroundEnabled(int enabled) +{ + m_chart->setBackgroundVisible((bool)enabled); +} + +void ScatterDataModifier::setGridEnabled(int enabled) +{ + m_chart->setGridVisible((bool)enabled); +} + +QVector3D ScatterDataModifier::randVector() +{ + return QVector3D( + (float)(rand() % 100) / 2.0f - (float)(rand() % 100) / 2.0f, + (float)(rand() % 100) / 100.0f - (float)(rand() % 100) / 100.0f, + (float)(rand() % 100) / 2.0f - (float)(rand() % 100) / 2.0f); +} |