1 files changed, 172 insertions, 0 deletions
diff --git a/examples/datavisualization/custominput/scatterdatamodifier.cpp b/examples/datavisualization/custominput/scatterdatamodifier.cpp
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+++ b/examples/datavisualization/custominput/scatterdatamodifier.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 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>
+#include <QtDataVisualization/QValue3DAxis>
+#include <QtDataVisualization/Q3DScene>
+#include <QtDataVisualization/Q3DCamera>
+#include <QtDataVisualization/QScatter3DSeries>
+#include <QtDataVisualization/Q3DTheme>
+#include <qmath.h>
+
+using namespace QtDataVisualization;
+
+ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter)
+    : m_graph(scatter),
+      m_inputHandler(new CustomInputHandler())
+{
+    m_graph->activeTheme()->setType(Q3DTheme::ThemeDigia);
+    m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualityMedium);
+    m_graph->scene()->activeCamera()->setCameraPreset(Q3DCamera::CameraPresetFront);
+
+    m_graph->setAxisX(new QValue3DAxis);
+    m_graph->setAxisY(new QValue3DAxis);
+    m_graph->setAxisZ(new QValue3DAxis);
+
+    m_graph->axisX()->setRange(-10.0f, 10.0f);
+    m_graph->axisY()->setRange(-5.0f, 5.0f);
+    m_graph->axisZ()->setRange(-5.0f, 5.0f);
+
+    QScatter3DSeries *series = new QScatter3DSeries;
+    series->setItemLabelFormat(QStringLiteral("@xLabel, @yLabel, @zLabel"));
+    series->setMesh(QAbstract3DSeries::MeshCube);
+    series->setItemSize(0.15f);
+    m_graph->addSeries(series);
+
+    //! [2]
+    m_animationCameraX = new QPropertyAnimation(m_graph->scene()->activeCamera(), "xRotation");
+    m_animationCameraX->setDuration(20000);
+    m_animationCameraX->setStartValue(QVariant::fromValue(0.0f));
+    m_animationCameraX->setEndValue(QVariant::fromValue(360.0f));
+    m_animationCameraX->setLoopCount(-1);
+    //! [2]
+
+    //! [3]
+    QPropertyAnimation *upAnimation = new QPropertyAnimation(m_graph->scene()->activeCamera(), "yRotation");
+    upAnimation->setDuration(9000);
+    upAnimation->setStartValue(QVariant::fromValue(5.0f));
+    upAnimation->setEndValue(QVariant::fromValue(45.0f));
+
+    QPropertyAnimation *downAnimation = new QPropertyAnimation(m_graph->scene()->activeCamera(), "yRotation");
+    downAnimation->setDuration(9000);
+    downAnimation->setStartValue(QVariant::fromValue(45.0f));
+    downAnimation->setEndValue(QVariant::fromValue(5.0f));
+
+    m_animationCameraY = new QSequentialAnimationGroup();
+    m_animationCameraY->setLoopCount(-1);
+    m_animationCameraY->addAnimation(upAnimation);
+    m_animationCameraY->addAnimation(downAnimation);
+    //! [3]
+
+    m_animationCameraX->start();
+    m_animationCameraY->start();
+
+    // Give ownership of the handler to the graph and make it the active handler
+    //! [0]
+    m_graph->setActiveInputHandler(m_inputHandler);
+    //! [0]
+
+    //! [1]
+    m_selectionTimer = new QTimer(this);
+    m_selectionTimer->setInterval(10);
+    m_selectionTimer->setSingleShot(false);
+    QObject::connect(m_selectionTimer, &QTimer::timeout, this,
+                     &ScatterDataModifier::triggerSelection);
+    m_selectionTimer->start();
+    //! [1]
+}
+
+ScatterDataModifier::~ScatterDataModifier()
+{
+    delete m_graph;
+}
+
+void ScatterDataModifier::start()
+{
+    addData();
+}
+
+void ScatterDataModifier::addData()
+{
+    QVector<QVector3D> itemList;
+
+    // Read data items from the file to QVector
+    QTextStream stream;
+    QFile dataFile(":/data/data.txt");
+    if (dataFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        stream.setDevice(&dataFile);
+        while (!stream.atEnd()) {
+            QString line = stream.readLine();
+            if (line.startsWith("#")) // Ignore comments
+                continue;
+            QStringList strList = line.split(",", QString::SkipEmptyParts);
+            // Each line has three data items: xPos, yPos and zPos value
+            if (strList.size() < 3) {
+                qWarning() << "Invalid row read from data:" << line;
+                continue;
+            }
+            itemList.append(QVector3D(
+                                 strList.at(0).trimmed().toFloat(),
+                                 strList.at(1).trimmed().toFloat(),
+                                 strList.at(2).trimmed().toFloat()));
+        }
+    } else {
+        qWarning() << "Unable to open data file:" << dataFile.fileName();
+    }
+
+    // Add data from the QVector to datamodel
+    QScatterDataArray *dataArray = new QScatterDataArray;
+    dataArray->resize(itemList.count());
+    QScatterDataItem *ptrToDataArray = &dataArray->first();
+    for (int i = 0; i < itemList.count(); i++) {
+        ptrToDataArray->setPosition(itemList.at(i));
+        ptrToDataArray++;
+    }
+
+    m_graph->seriesList().at(0)->dataProxy()->resetArray(dataArray);
+}
+
+void ScatterDataModifier::toggleCameraAnimation()
+{
+    if (m_animationCameraX->state() != QAbstractAnimation::Paused) {
+        m_animationCameraX->pause();
+        m_animationCameraY->pause();
+    } else {
+        m_animationCameraX->resume();
+        m_animationCameraY->resume();
+    }
+}
+
+void ScatterDataModifier::triggerSelection()
+{
+    m_graph->scene()->setSelectionQueryPosition(m_inputHandler->inputPosition());
+}
+
+void ScatterDataModifier::shadowQualityUpdatedByVisual(QAbstract3DGraph::ShadowQuality sq)
+{
+    int quality = int(sq);
+    emit shadowQualityChanged(quality); // connected to a checkbox in main.cpp
+}
+
+void ScatterDataModifier::changeShadowQuality(int quality)
+{
+    QAbstract3DGraph::ShadowQuality sq = QAbstract3DGraph::ShadowQuality(quality);
+    m_graph->setShadowQuality(sq);
+}