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<h1 class="title">main.qml Example File</h1>
<span class="subtitle">qmlspectrogram/qml/qmlspectrogram/main.qml</span>
<!-- $$$qmlspectrogram/qml/qmlspectrogram/main.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
import QtQuick 2.1
import QtQuick.Layouts 1.0
import QtQuick.Window 2.1
import QtDataVisualization 1.2
import "."
<span class="type">Window</span> {
<span class="name">id</span>: <span class="name">mainview</span>
<span class="name">title</span>: <span class="string">"Qt Quick 2 Spectrogram Example"</span>
<span class="name">visible</span>: <span class="number">true</span>
<span class="name">width</span>: <span class="number">1024</span>
<span class="name">height</span>: <span class="number">768</span>
<span class="name">color</span>: <span class="name">surfaceGraph</span>.<span class="name">theme</span>.<span class="name">windowColor</span>
<span class="type">Data</span> {
<span class="name">id</span>: <span class="name">surfaceData</span>
}
<span class="type">Item</span> {
<span class="name">id</span>: <span class="name">surfaceView</span>
<span class="name">width</span>: <span class="name">mainview</span>.<span class="name">width</span>
<span class="name">height</span>: <span class="name">mainview</span>.<span class="name">height</span>
<span class="name">anchors</span>.top: <span class="name">mainview</span>.<span class="name">top</span>
<span class="name">anchors</span>.left: <span class="name">mainview</span>.<span class="name">left</span>
<span class="type"><a href="qml-qtdatavisualization-colorgradient.html">ColorGradient</a></span> {
<span class="name">id</span>: <span class="name">surfaceGradient</span>
<span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">position</span>: <span class="number">0.0</span>; <span class="name">color</span>: <span class="string">"black"</span> }
<span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">position</span>: <span class="number">0.2</span>; <span class="name">color</span>: <span class="string">"red"</span> }
<span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">position</span>: <span class="number">0.5</span>; <span class="name">color</span>: <span class="string">"blue"</span> }
<span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">position</span>: <span class="number">0.8</span>; <span class="name">color</span>: <span class="string">"yellow"</span> }
<span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">position</span>: <span class="number">1.0</span>; <span class="name">color</span>: <span class="string">"white"</span> }
}
<span class="type"><a href="qml-qtdatavisualization-valueaxis3d.html">ValueAxis3D</a></span> {
<span class="name">id</span>: <span class="name">xAxis</span>
<span class="name">segmentCount</span>: <span class="number">8</span>
<span class="name">labelFormat</span>: <span class="string">"%i\u00B0"</span>
<span class="name">title</span>: <span class="string">"Angle"</span>
<span class="name">titleVisible</span>: <span class="number">true</span>
<span class="name">titleFixed</span>: <span class="number">false</span>
}
<span class="type"><a href="qml-qtdatavisualization-valueaxis3d.html">ValueAxis3D</a></span> {
<span class="name">id</span>: <span class="name">yAxis</span>
<span class="name">segmentCount</span>: <span class="number">8</span>
<span class="name">labelFormat</span>: <span class="string">"%i \%"</span>
<span class="name">title</span>: <span class="string">"Value"</span>
<span class="name">titleVisible</span>: <span class="number">true</span>
<span class="name">labelAutoRotation</span>: <span class="number">0</span>
<span class="name">titleFixed</span>: <span class="number">false</span>
}
<span class="type"><a href="qml-qtdatavisualization-valueaxis3d.html">ValueAxis3D</a></span> {
<span class="name">id</span>: <span class="name">zAxis</span>
<span class="name">segmentCount</span>: <span class="number">5</span>
<span class="name">labelFormat</span>: <span class="string">"%i nm"</span>
<span class="name">title</span>: <span class="string">"Radius"</span>
<span class="name">titleVisible</span>: <span class="number">true</span>
<span class="name">titleFixed</span>: <span class="number">false</span>
}
<span class="type"><a href="qml-qtdatavisualization-theme3d.html">Theme3D</a></span> {
<span class="name">id</span>: <span class="name">customTheme</span>
<span class="name">type</span>: <span class="name">Theme3D</span>.<span class="name">ThemeQt</span>
<span class="comment">// Don't show specular spotlight as we don't want it to distort the colors</span>
<span class="name">lightStrength</span>: <span class="number">0.0</span>
<span class="name">ambientLightStrength</span>: <span class="number">1.0</span>
<span class="name">backgroundEnabled</span>: <span class="number">false</span>
<span class="name">gridLineColor</span>: <span class="string">"#AAAAAA"</span>
<span class="name">windowColor</span>: <span class="string">"#EEEEEE"</span>
}
<span class="type"><a href="qml-qtdatavisualization-touchinputhandler3d.html">TouchInputHandler3D</a></span> {
<span class="name">id</span>: <span class="name">customInputHandler</span>
<span class="name">rotationEnabled</span>: <span class="number">false</span>
}
<span class="type"><a href="qml-qtdatavisualization-surface3d.html">Surface3D</a></span> {
<span class="name">id</span>: <span class="name">surfaceGraph</span>
<span class="name">width</span>: <span class="name">surfaceView</span>.<span class="name">width</span>
<span class="name">height</span>: <span class="name">surfaceView</span>.<span class="name">height</span>
<span class="name">shadowQuality</span>: <span class="name">AbstractGraph3D</span>.<span class="name">ShadowQualityNone</span>
<span class="name">selectionMode</span>: <span class="name">AbstractGraph3D</span>.<span class="name">SelectionSlice</span> <span class="operator">|</span> <span class="name">AbstractGraph3D</span>.<span class="name">SelectionItemAndColumn</span>
<span class="name">axisX</span>: <span class="name">xAxis</span>
<span class="name">axisY</span>: <span class="name">yAxis</span>
<span class="name">axisZ</span>: <span class="name">zAxis</span>
<span class="name">theme</span>: <span class="name">customTheme</span>
<span class="name">inputHandler</span>: <span class="name">customInputHandler</span>
<span class="comment">// Remove the perspective and view the graph from top down to achieve 2D effect</span>
<span class="name">orthoProjection</span>: <span class="number">true</span>
<span class="name">scene</span>.activeCamera.cameraPreset: <span class="name">Camera3D</span>.<span class="name">CameraPresetDirectlyAbove</span>
<span class="name">flipHorizontalGrid</span>: <span class="number">true</span>
<span class="name">radialLabelOffset</span>: <span class="number">0.01</span>
<span class="name">horizontalAspectRatio</span>: <span class="number">1</span>
<span class="name">scene</span>.activeCamera.zoomLevel: <span class="number">85</span>
<span class="type"><a href="qml-qtdatavisualization-surface3dseries.html">Surface3DSeries</a></span> {
<span class="name">id</span>: <span class="name">surfaceSeries</span>
<span class="name">flatShadingEnabled</span>: <span class="number">false</span>
<span class="name">drawMode</span>: <span class="name">Surface3DSeries</span>.<span class="name">DrawSurface</span>
<span class="name">baseGradient</span>: <span class="name">surfaceGradient</span>
<span class="name">colorStyle</span>: <span class="name">Theme3D</span>.<span class="name">ColorStyleRangeGradient</span>
<span class="name">itemLabelFormat</span>: <span class="string">"(@xLabel, @zLabel): @yLabel"</span>
<span class="type"><a href="qml-qtdatavisualization-itemmodelsurfacedataproxy.html">ItemModelSurfaceDataProxy</a></span> {
<span class="name">itemModel</span>: <span class="name">surfaceData</span>.<span class="name">model</span>
<span class="name">rowRole</span>: <span class="string">"radius"</span>
<span class="name">columnRole</span>: <span class="string">"angle"</span>
<span class="name">yPosRole</span>: <span class="string">"value"</span>
}
}
}
}
<span class="type">RowLayout</span> {
<span class="name">id</span>: <span class="name">buttonLayout</span>
<span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span>
<span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span>
<span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">opacity</span>: <span class="number">0.5</span>
<span class="type">NewButton</span> {
<span class="name">id</span>: <span class="name">polarToggle</span>
<span class="name">Layout</span>.fillWidth: <span class="number">true</span>
<span class="name">Layout</span>.fillHeight: <span class="number">true</span>
<span class="name">text</span>: <span class="string">"Switch to polar"</span>
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">surfaceGraph</span>.<span class="name">polar</span> <span class="operator">===</span> <span class="number">false</span>) {
<span class="name">surfaceGraph</span>.<span class="name">polar</span> <span class="operator">=</span> <span class="number">true</span>
<span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to cartesian"</span>
} <span class="keyword">else</span> {
<span class="name">surfaceGraph</span>.<span class="name">polar</span> <span class="operator">=</span> <span class="number">false</span>
<span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to polar"</span>
}
}
}
<span class="type">NewButton</span> {
<span class="name">id</span>: <span class="name">orthoToggle</span>
<span class="name">Layout</span>.fillWidth: <span class="number">true</span>
<span class="name">Layout</span>.fillHeight: <span class="number">true</span>
<span class="name">text</span>: <span class="string">"Switch to perspective"</span>
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">surfaceGraph</span>.<span class="name">orthoProjection</span> <span class="operator">===</span> <span class="number">true</span>) {
<span class="name">surfaceGraph</span>.<span class="name">orthoProjection</span> <span class="operator">=</span> <span class="number">false</span>;
<span class="name">xAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">30</span>
<span class="name">yAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">30</span>
<span class="name">zAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">30</span>
<span class="name">customInputHandler</span>.<span class="name">rotationEnabled</span> <span class="operator">=</span> <span class="number">true</span>
<span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to orthographic"</span>
} <span class="keyword">else</span> {
<span class="name">surfaceGraph</span>.<span class="name">orthoProjection</span> <span class="operator">=</span> <span class="number">true</span>;
<span class="name">surfaceGraph</span>.<span class="name">scene</span>.<span class="name">activeCamera</span>.<span class="name">cameraPreset</span> <span class="operator">=</span> <span class="name">Camera3D</span>.<span class="name">CameraPresetDirectlyAbove</span>
<span class="name">surfaceSeries</span>.<span class="name">drawMode</span> <span class="operator">&=</span> ~<span class="name">Surface3DSeries</span>.<span class="name">DrawWireframe</span>;
<span class="name">xAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">0</span>
<span class="name">yAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">0</span>
<span class="name">zAxis</span>.<span class="name">labelAutoRotation</span> <span class="operator">=</span> <span class="number">0</span>
<span class="name">customInputHandler</span>.<span class="name">rotationEnabled</span> <span class="operator">=</span> <span class="number">false</span>
<span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to perspective"</span>
}
}
}
<span class="type">NewButton</span> {
<span class="name">id</span>: <span class="name">flipGridToggle</span>
<span class="name">Layout</span>.fillWidth: <span class="number">true</span>
<span class="name">Layout</span>.fillHeight: <span class="number">true</span>
<span class="name">text</span>: <span class="string">"Toggle axis grid on top"</span>
<span class="name">onClicked</span>: {
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">surfaceGraph</span>.<span class="name">flipHorizontalGrid</span> <span class="operator">===</span> <span class="number">true</span>) {
<span class="name">surfaceGraph</span>.<span class="name">flipHorizontalGrid</span> <span class="operator">=</span> <span class="number">false</span>;
} <span class="keyword">else</span> {
<span class="name">surfaceGraph</span>.<span class="name">flipHorizontalGrid</span> <span class="operator">=</span> <span class="number">true</span>;
}
}
}
}
<span class="type">NewButton</span> {
<span class="name">id</span>: <span class="name">labelOffsetToggle</span>
<span class="name">Layout</span>.fillWidth: <span class="number">true</span>
<span class="name">Layout</span>.fillHeight: <span class="number">true</span>
<span class="name">text</span>: <span class="string">"Toggle radial label position"</span>
<span class="name">visible</span>: <span class="name">surfaceGraph</span>.<span class="name">polar</span>
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">surfaceGraph</span>.<span class="name">radialLabelOffset</span> <span class="operator">>=</span> <span class="number">1.0</span>) {
<span class="name">surfaceGraph</span>.<span class="name">radialLabelOffset</span> <span class="operator">=</span> <span class="number">0.01</span>
} <span class="keyword">else</span> {
<span class="name">surfaceGraph</span>.<span class="name">radialLabelOffset</span> <span class="operator">=</span> <span class="number">1.0</span>
}
}
}
<span class="type">NewButton</span> {
<span class="name">id</span>: <span class="name">surfaceGridToggle</span>
<span class="name">Layout</span>.fillWidth: <span class="number">true</span>
<span class="name">Layout</span>.fillHeight: <span class="number">true</span>
<span class="name">text</span>: <span class="string">"Toggle surface grid"</span>
<span class="name">visible</span>: !<span class="name">surfaceGraph</span>.<span class="name">orthoProjection</span>
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">surfaceSeries</span>.<span class="name">drawMode</span> <span class="operator">&</span> <span class="name">Surface3DSeries</span>.<span class="name">DrawWireframe</span>) {
<span class="name">surfaceSeries</span>.<span class="name">drawMode</span> <span class="operator">&=</span> ~<span class="name">Surface3DSeries</span>.<span class="name">DrawWireframe</span>;
} <span class="keyword">else</span> {
<span class="name">surfaceSeries</span>.<span class="name">drawMode</span> <span class="operator">|=</span> <span class="name">Surface3DSeries</span>.<span class="name">DrawWireframe</span>;
}
}
}
}
<span class="type">Rectangle</span> {
<span class="name">id</span>: <span class="name">legend</span>
<span class="name">anchors</span>.margins: <span class="number">20</span>
<span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span>
<span class="name">anchors</span>.top: <span class="name">buttonLayout</span>.<span class="name">bottom</span>
<span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">border</span>.color: <span class="string">"black"</span>
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">width</span>: <span class="number">50</span>
<span class="name">rotation</span>: <span class="number">180</span>
<span class="name">gradient</span>: <span class="name">Gradient</span> {
<span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">0.0</span>; <span class="name">color</span>: <span class="string">"black"</span> }
<span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">0.2</span>; <span class="name">color</span>: <span class="string">"red"</span> }
<span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">0.5</span>; <span class="name">color</span>: <span class="string">"blue"</span> }
<span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">0.8</span>; <span class="name">color</span>: <span class="string">"yellow"</span> }
<span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">1.0</span>; <span class="name">color</span>: <span class="string">"white"</span> }
}
}
<span class="type">Text</span> {
<span class="name">anchors</span>.verticalCenter: <span class="name">legend</span>.<span class="name">bottom</span>
<span class="name">anchors</span>.right: <span class="name">legend</span>.<span class="name">left</span>
<span class="name">anchors</span>.margins: <span class="number">2</span>
<span class="name">text</span>: <span class="name">surfaceGraph</span>.<span class="name">axisY</span>.<span class="name">min</span> <span class="operator">+</span> <span class="string">"%"</span>
}
<span class="type">Text</span> {
<span class="name">anchors</span>.verticalCenter: <span class="name">legend</span>.<span class="name">verticalCenter</span>
<span class="name">anchors</span>.right: <span class="name">legend</span>.<span class="name">left</span>
<span class="name">anchors</span>.margins: <span class="number">2</span>
<span class="name">text</span>: (<span class="name">surfaceGraph</span>.<span class="name">axisY</span>.<span class="name">max</span> <span class="operator">+</span> <span class="name">surfaceGraph</span>.<span class="name">axisY</span>.<span class="name">min</span>) <span class="operator">/</span> <span class="number">2</span> <span class="operator">+</span> <span class="string">"%"</span>
}
<span class="type">Text</span> {
<span class="name">anchors</span>.verticalCenter: <span class="name">legend</span>.<span class="name">top</span>
<span class="name">anchors</span>.right: <span class="name">legend</span>.<span class="name">left</span>
<span class="name">anchors</span>.margins: <span class="number">2</span>
<span class="name">text</span>: <span class="name">surfaceGraph</span>.<span class="name">axisY</span>.<span class="name">max</span> <span class="operator">+</span> <span class="string">"%"</span>
}
}
</pre>
</div>
<!-- @@@qmlspectrogram/qml/qmlspectrogram/main.qml -->
</div>
</div>
</div>
</div>
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property
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