1 files changed, 169 insertions, 0 deletions
diff --git a/examples/scatter/scatterdatamodifier.cpp b/examples/scatter/scatterdatamodifier.cpp
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+++ b/examples/scatter/scatterdatamodifier.cpp
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+/****************************************************************************
+**
+** 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/q3dvalueaxis.h>
+#include <qmath.h>
+using namespace QtDataVisualization;
+
+//#define RANDOM_SCATTER // Uncomment this to switch to random scatter
+
+const int numberOfItems = 10000;
+
+ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter)
+    : m_graph(scatter),
+      m_fontSize(40.0f),
+      m_style(QDataVis::MeshStyleSpheres),
+      m_smooth(true)
+{
+    QFont font = m_graph->font();
+    font.setPointSize(m_fontSize);
+    m_graph->setFont(font);
+    m_graph->setObjectType(QDataVis::MeshStyleSpheres, true);
+    m_graph->setTheme(QDataVis::ThemeEbony);
+    m_graph->setShadowQuality(QDataVis::ShadowQualityHigh);
+    m_graph->setCameraPreset(QDataVis::CameraPresetFront);
+    m_graph->setAxisX(new Q3DValueAxis);
+    m_graph->setAxisY(new Q3DValueAxis);
+    m_graph->setAxisZ(new Q3DValueAxis);
+
+    QScatterDataProxy *proxy = new QScatterDataProxy;
+    proxy->setItemLabelFormat("@xTitle: @xLabel @yTitle: @yLabel @zTitle: @zLabel");
+    m_graph->setActiveDataProxy(proxy);
+
+    changeLabelStyle();
+}
+
+ScatterDataModifier::~ScatterDataModifier()
+{
+    delete m_graph;
+}
+
+void ScatterDataModifier::start()
+{
+    addData();
+}
+
+void ScatterDataModifier::addData()
+{
+    // Add labels
+    m_graph->axisX()->setTitle("X");
+    m_graph->axisY()->setTitle("Y");
+    m_graph->axisZ()->setTitle("Z");
+    m_graph->axisX()->setRange(-50.0, 50.0);
+    m_graph->axisY()->setRange(-1.0, 1.0);
+    m_graph->axisZ()->setRange(-50.0, 50.0);
+
+    QScatterDataArray *dataArray = new QScatterDataArray;
+    dataArray->resize(numberOfItems);
+    QScatterDataItem *ptrToDataArray = &dataArray->first();
+
+#ifdef 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_graph->activeDataProxy())->resetArray(dataArray);
+}
+
+void ScatterDataModifier::changeStyle(int style)
+{
+    m_style = QDataVis::MeshStyle(style + 5); // skip unsupported mesh types
+    m_graph->setObjectType(m_style, m_smooth);
+}
+
+void ScatterDataModifier::setSmoothDots(int smooth)
+{
+    m_smooth = bool(smooth);
+    m_graph->setObjectType(m_style, m_smooth);
+}
+
+void ScatterDataModifier::changeTheme(int theme)
+{
+    m_graph->setTheme((QDataVis::Theme)theme);
+}
+
+void ScatterDataModifier::changePresetCamera()
+{
+    static int preset = QDataVis::CameraPresetFrontLow;
+
+    m_graph->setCameraPreset((QDataVis::CameraPreset)preset);
+
+    if (++preset > QDataVis::CameraPresetDirectlyAboveCCW45)
+        preset = QDataVis::CameraPresetFrontLow;
+}
+
+void ScatterDataModifier::changeLabelStyle()
+{
+    static int style = QDataVis::LabelStyleFromTheme;
+
+    m_graph->setLabelStyle((QDataVis::LabelStyle)style);
+
+    if (++style > QDataVis::LabelStyleTransparent)
+        style = QDataVis::LabelStyleOpaque;
+}
+
+void ScatterDataModifier::changeFont(const QFont &font)
+{
+    QFont newFont = font;
+    newFont.setPointSizeF(m_fontSize);
+    m_graph->setFont(newFont);
+}
+
+void ScatterDataModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq)
+{
+    int quality = int(sq);
+    // Updates the UI component to show correct shadow quality
+    emit shadowQualityChanged(quality);
+}
+
+void ScatterDataModifier::changeShadowQuality(int quality)
+{
+    QDataVis::ShadowQuality sq = QDataVis::ShadowQuality(quality);
+    m_graph->setShadowQuality(sq);
+    emit shadowQualityChanged(quality);
+}
+
+void ScatterDataModifier::setBackgroundEnabled(int enabled)
+{
+    m_graph->setBackgroundVisible((bool)enabled);
+}
+
+void ScatterDataModifier::setGridEnabled(int enabled)
+{
+    m_graph->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);
+}