Textured surface example

Documentation once the feature set is final and code looking good. Size
of image files adjusted when example area is locked.

Change-Id: I7ff249ec3452d412a64ce029b33f7607965ffb3a
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/examples/datavisualization/texturesurface/surfacegraph.cpp b/examples/datavisualization/texturesurface/surfacegraph.cpp
new file mode 100644
index 00000000..b8e92988
--- /dev/null
+++ b/examples/datavisualization/texturesurface/surfacegraph.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** 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 "surfacegraph.h"
+#include "topographicseries.h"
+
+#include <QtDataVisualization/QValue3DAxis>
+#include <QtDataVisualization/Q3DTheme>
+
+#include <QDebug>
+
+using namespace QtDataVisualization;
+
+const float areaWidth = 8000.0f;
+const float areaHeight = 8000.0f;
+const float aspectRatio = 0.1389f;
+
+SurfaceGraph::SurfaceGraph(Q3DSurface *surface)
+    : m_graph(surface)
+{
+    m_graph->setAxisX(new QValue3DAxis);
+    m_graph->setAxisY(new QValue3DAxis);
+    m_graph->setAxisZ(new QValue3DAxis);
+    m_graph->axisX()->setLabelFormat("%i");
+    m_graph->axisZ()->setLabelFormat("%i");
+    m_graph->axisX()->setRange(0.0f, areaWidth);
+    m_graph->axisY()->setRange(100.0f, areaWidth * aspectRatio);
+    m_graph->axisZ()->setRange(0.0f, areaHeight);
+    m_graph->axisX()->setLabelAutoRotation(30);
+    m_graph->axisY()->setLabelAutoRotation(90);
+    m_graph->axisZ()->setLabelAutoRotation(30);
+
+    m_topography = new TopographicSeries();
+    m_topography->setTopographyFile(":/maps/topography", areaWidth, areaHeight);
+    m_topography->setItemLabelFormat(QStringLiteral("@yLabel m"));
+
+    m_highlight = new HighlightSeries();
+    m_highlight->setTopographicSeries(m_topography);
+
+    m_graph->addSeries(m_topography);
+    m_graph->addSeries(m_highlight);
+
+    m_inputHandler = new CustomInputHandler(m_graph);
+    m_inputHandler->setHighlightSeries(m_highlight);
+    m_inputHandler->setAxes(m_graph->axisX(), m_graph->axisY(), m_graph->axisZ());
+    m_inputHandler->setLimits(0.0f, areaWidth);
+    m_inputHandler->setAspectRatio(aspectRatio);
+
+    m_graph->setActiveInputHandler(m_inputHandler);
+}
+
+SurfaceGraph::~SurfaceGraph()
+{
+    delete m_graph;
+}
+
+void SurfaceGraph::toggleSurfaceTexture(bool enable)
+{
+    if (enable)
+        m_topography->setTextureFile(":/maps/maptexture");
+    else
+        m_topography->setTextureFile("");
+}