<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>main.qml Example File | Qt Data Visualization 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtdatavisualization-index.html">Qt Data Visualization</a></td><td ><a href="qtdatavisualization-qmlsurface-example.html">Qt Quick 2 Surface Example</a></td><td >main.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">main.qml Example File</h1> <span class="subtitle">qmlsurface/qml/qmlsurface/main.qml</span> <!-- $$$qmlsurface/qml/qmlsurface/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 QtDataVisualization 1.0 import "." <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">mainview</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">surfacePlot</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">"darkslategray"</span> } <span class="type"><a href="qml-qtdatavisualization-colorgradientstop.html">ColorGradientStop</a></span> { <span class="name">id</span>: <span class="name">middleGradient</span>; <span class="name">position</span>: <span class="number">0.25</span>; <span class="name">color</span>: <span class="string">"peru"</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">"red"</span> } } <span class="type"><a href="qml-qtdatavisualization-surface3d.html">Surface3D</a></span> { <span class="name">id</span>: <span class="name">surfacePlot</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">theme</span>: <span class="name">Theme3D</span> { <span class="name">type</span>: <span class="name">Theme3D</span>.<span class="name">ThemeStoneMoss</span> <span class="name">font</span>.family: <span class="string">"STCaiyun"</span> <span class="name">font</span>.pointSize: <span class="number">35</span> <span class="name">colorStyle</span>: <span class="name">Theme3D</span>.<span class="name">ColorStyleRangeGradient</span> <span class="name">baseGradients</span>: [<span class="name">surfaceGradient</span>] } <span class="name">shadowQuality</span>: <span class="name">AbstractGraph3D</span>.<span class="name">ShadowQualityMedium</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">SelectionItemAndRow</span> <span class="name">scene</span>.activeCamera.cameraPreset: <span class="name">Camera3D</span>.<span class="name">CameraPresetIsometricLeft</span> <span class="name">axisY</span>.min: <span class="number">0.0</span> <span class="name">axisY</span>.max: <span class="number">500.0</span> <span class="name">axisX</span>.segmentCount: <span class="number">10</span> <span class="name">axisX</span>.subSegmentCount: <span class="number">2</span> <span class="name">axisX</span>.labelFormat: <span class="string">"%i"</span> <span class="name">axisZ</span>.segmentCount: <span class="number">10</span> <span class="name">axisZ</span>.subSegmentCount: <span class="number">2</span> <span class="name">axisZ</span>.labelFormat: <span class="string">"%i"</span> <span class="name">axisY</span>.segmentCount: <span class="number">5</span> <span class="name">axisY</span>.subSegmentCount: <span class="number">2</span> <span class="name">axisY</span>.labelFormat: <span class="string">"%i"</span> <span class="name">axisY</span>.title: <span class="string">"Height"</span> <span class="name">axisX</span>.title: <span class="string">"Latitude"</span> <span class="name">axisZ</span>.title: <span class="string">"Longitude"</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="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">"longitude"</span> <span class="name">columnRole</span>: <span class="string">"latitude"</span> <span class="name">yPosRole</span>: <span class="string">"height"</span> } <span class="name">onDrawModeChanged</span>: <span class="name">checkState</span>() } <span class="type"><a href="qml-qtdatavisualization-surface3dseries.html">Surface3DSeries</a></span> { <span class="name">id</span>: <span class="name">heightSeries</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">visible</span>: <span class="number">false</span> <span class="type"><a href="qml-qtdatavisualization-heightmapsurfacedataproxy.html">HeightMapSurfaceDataProxy</a></span> { <span class="name">heightMapFile</span>: <span class="string">":/heightmaps/image"</span> <span class="comment">// We don't want the default data values set by heightmap proxy.</span> <span class="name">minZValue</span>: <span class="number">30</span> <span class="name">maxZValue</span>: <span class="number">60</span> <span class="name">minXValue</span>: <span class="number">67</span> <span class="name">maxXValue</span>: <span class="number">97</span> } <span class="name">onDrawModeChanged</span>: <span class="name">checkState</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">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">"Show Surface Grid"</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="name">heightSeries</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="name">heightSeries</span>.<span class="name">drawMode</span> <span class="operator">|=</span> <span class="name">Surface3DSeries</span>.<span class="name">DrawWireframe</span>; } } } <span class="type">NewButton</span> { <span class="name">id</span>: <span class="name">surfaceToggle</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">"Hide Surface"</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">DrawSurface</span>) { <span class="name">surfaceSeries</span>.<span class="name">drawMode</span> <span class="operator">&=</span> ~<span class="name">Surface3DSeries</span>.<span class="name">DrawSurface</span>; <span class="name">heightSeries</span>.<span class="name">drawMode</span> <span class="operator">&=</span> ~<span class="name">Surface3DSeries</span>.<span class="name">DrawSurface</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">DrawSurface</span>; <span class="name">heightSeries</span>.<span class="name">drawMode</span> <span class="operator">|=</span> <span class="name">Surface3DSeries</span>.<span class="name">DrawSurface</span>; } } } <span class="type">NewButton</span> { <span class="name">id</span>: <span class="name">flatShadingToggle</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="name">surfaceSeries</span>.<span class="name">flatShadingSupported</span> ? <span class="string">"Show Flat"</span> : <span class="string">"Flat not supported"</span> <span class="name">enabled</span>: <span class="name">surfaceSeries</span>.<span class="name">flatShadingSupported</span> <span class="name">onClicked</span>: { <span class="keyword">if</span> (<span class="name">surfaceSeries</span>.<span class="name">flatShadingEnabled</span> <span class="operator">===</span> <span class="number">true</span>) { <span class="name">surfaceSeries</span>.<span class="name">flatShadingEnabled</span> <span class="operator">=</span> <span class="number">false</span>; <span class="name">heightSeries</span>.<span class="name">flatShadingEnabled</span> <span class="operator">=</span> <span class="number">false</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Flat"</span> } <span class="keyword">else</span> { <span class="name">surfaceSeries</span>.<span class="name">flatShadingEnabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">heightSeries</span>.<span class="name">flatShadingEnabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Smooth"</span> } } } <span class="type">NewButton</span> { <span class="name">id</span>: <span class="name">backgroundToggle</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">"Hide Background"</span> <span class="name">onClicked</span>: { <span class="keyword">if</span> (<span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">backgroundEnabled</span> <span class="operator">===</span> <span class="number">true</span>) { <span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">backgroundEnabled</span> <span class="operator">=</span> <span class="number">false</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Background"</span> } <span class="keyword">else</span> { <span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">backgroundEnabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Hide Background"</span> } } } <span class="type">NewButton</span> { <span class="name">id</span>: <span class="name">gridToggle</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">"Hide Grid"</span> <span class="name">onClicked</span>: { <span class="keyword">if</span> (<span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">gridEnabled</span> <span class="operator">===</span> <span class="number">true</span>) { <span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">gridEnabled</span> <span class="operator">=</span> <span class="number">false</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Grid"</span> } <span class="keyword">else</span> { <span class="name">surfacePlot</span>.<span class="name">theme</span>.<span class="name">gridEnabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">text</span> <span class="operator">=</span> <span class="string">"Hide Grid"</span> } } } <span class="type">NewButton</span> { <span class="name">id</span>: <span class="name">seriesToggle</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 Height Map Series"</span> <span class="name">onClicked</span>: { <span class="keyword">if</span> (<span class="name">surfaceSeries</span>.<span class="name">visible</span> <span class="operator">===</span> <span class="number">false</span>) { <span class="name">surfacePlot</span>.<span class="name">axisY</span>.<span class="name">max</span> <span class="operator">=</span> <span class="number">500.0</span> <span class="name">surfaceSeries</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">true</span> <span class="name">heightSeries</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span> <span class="name">middleGradient</span>.<span class="name">position</span> <span class="operator">=</span> <span class="number">0.25</span> <span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to Height Map Series"</span> } <span class="keyword">else</span> { <span class="name">surfacePlot</span>.<span class="name">axisY</span>.<span class="name">max</span> <span class="operator">=</span> <span class="number">250.0</span> <span class="name">surfaceSeries</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span> <span class="name">heightSeries</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">true</span> <span class="name">middleGradient</span>.<span class="name">position</span> <span class="operator">=</span> <span class="number">0.50</span> <span class="name">text</span> <span class="operator">=</span> <span class="string">"Switch to Item Model Series"</span> } } } } <span class="keyword">function</span> <span class="name">checkState</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">DrawSurface</span>) <span class="name">surfaceToggle</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">"Hide Surface"</span> <span class="keyword">else</span> <span class="name">surfaceToggle</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Surface"</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">surfaceGridToggle</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">"Hide Surface Grid"</span> <span class="keyword">else</span> <span class="name">surfaceGridToggle</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">"Show Surface Grid"</span> } } </pre> </div> <!-- @@@qmlsurface/qml/qmlsurface/main.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <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 of their respective owners. </p> </div> </body> </html>