<?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 5.12.2</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 5.12</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"><a href="qtdatavisualization-index.html">Qt Data Visualization | Commercial or GPLv3</a></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"> /**************************************************************************** ** ** 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. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.1 import QtQuick.Layouts 1.0 import QtDataVisualization 1.0 import "." Rectangle { id: mainview width: 1024 height: 768 color: surfacePlot.theme.windowColor Data { id: surfaceData } Item { id: surfaceView width: mainview.width height: mainview.height anchors.top: mainview.top anchors.left: mainview.left ColorGradient { id: surfaceGradient ColorGradientStop { position: 0.0; color: "darkslategray" } ColorGradientStop { id: middleGradient; position: 0.25; color: "peru" } ColorGradientStop { position: 1.0; color: "red" } } Surface3D { id: surfacePlot width: surfaceView.width height: surfaceView.height theme: Theme3D { type: Theme3D.ThemeStoneMoss font.family: "STCaiyun" font.pointSize: 35 colorStyle: Theme3D.ColorStyleRangeGradient baseGradients: [surfaceGradient] } shadowQuality: AbstractGraph3D.ShadowQualityMedium selectionMode: AbstractGraph3D.SelectionSlice | AbstractGraph3D.SelectionItemAndRow scene.activeCamera.cameraPreset: Camera3D.CameraPresetIsometricLeft axisY.min: 0.0 axisY.max: 500.0 axisX.segmentCount: 10 axisX.subSegmentCount: 2 axisX.labelFormat: "%i" axisZ.segmentCount: 10 axisZ.subSegmentCount: 2 axisZ.labelFormat: "%i" axisY.segmentCount: 5 axisY.subSegmentCount: 2 axisY.labelFormat: "%i" axisY.title: "Height" axisX.title: "Latitude" axisZ.title: "Longitude" Surface3DSeries { id: surfaceSeries flatShadingEnabled: false drawMode: Surface3DSeries.DrawSurface ItemModelSurfaceDataProxy { itemModel: surfaceData.model rowRole: "longitude" columnRole: "latitude" yPosRole: "height" } onDrawModeChanged: checkState() } Surface3DSeries { id: heightSeries flatShadingEnabled: false drawMode: Surface3DSeries.DrawSurface visible: false HeightMapSurfaceDataProxy { heightMapFile: ":/heightmaps/image" // We don't want the default data values set by heightmap proxy. minZValue: 30 maxZValue: 60 minXValue: 67 maxXValue: 97 } onDrawModeChanged: checkState() } } } RowLayout { id: buttonLayout anchors.top: parent.top anchors.left: parent.left anchors.right: parent.right opacity: 0.5 NewButton { id: surfaceGridToggle Layout.fillWidth: true Layout.fillHeight: true text: "Show Surface Grid" onClicked: { if (surfaceSeries.drawMode & Surface3DSeries.DrawWireframe) { surfaceSeries.drawMode &= ~Surface3DSeries.DrawWireframe; heightSeries.drawMode &= ~Surface3DSeries.DrawWireframe; } else { surfaceSeries.drawMode |= Surface3DSeries.DrawWireframe; heightSeries.drawMode |= Surface3DSeries.DrawWireframe; } } } NewButton { id: surfaceToggle Layout.fillWidth: true Layout.fillHeight: true text: "Hide Surface" onClicked: { if (surfaceSeries.drawMode & Surface3DSeries.DrawSurface) { surfaceSeries.drawMode &= ~Surface3DSeries.DrawSurface; heightSeries.drawMode &= ~Surface3DSeries.DrawSurface; } else { surfaceSeries.drawMode |= Surface3DSeries.DrawSurface; heightSeries.drawMode |= Surface3DSeries.DrawSurface; } } } NewButton { id: flatShadingToggle Layout.fillWidth: true Layout.fillHeight: true text: surfaceSeries.flatShadingSupported ? "Show Flat" : "Flat not supported" enabled: surfaceSeries.flatShadingSupported onClicked: { if (surfaceSeries.flatShadingEnabled === true) { surfaceSeries.flatShadingEnabled = false; heightSeries.flatShadingEnabled = false; text = "Show Flat" } else { surfaceSeries.flatShadingEnabled = true; heightSeries.flatShadingEnabled = true; text = "Show Smooth" } } } NewButton { id: backgroundToggle Layout.fillWidth: true Layout.fillHeight: true text: "Hide Background" onClicked: { if (surfacePlot.theme.backgroundEnabled === true) { surfacePlot.theme.backgroundEnabled = false; text = "Show Background" } else { surfacePlot.theme.backgroundEnabled = true; text = "Hide Background" } } } NewButton { id: gridToggle Layout.fillWidth: true Layout.fillHeight: true text: "Hide Grid" onClicked: { if (surfacePlot.theme.gridEnabled === true) { surfacePlot.theme.gridEnabled = false; text = "Show Grid" } else { surfacePlot.theme.gridEnabled = true; text = "Hide Grid" } } } NewButton { id: seriesToggle Layout.fillWidth: true Layout.fillHeight: true text: "Switch to Height Map Series" onClicked: { if (surfaceSeries.visible === false) { surfacePlot.axisY.max = 500.0 surfaceSeries.visible = true heightSeries.visible = false middleGradient.position = 0.25 text = "Switch to Height Map Series" } else { surfacePlot.axisY.max = 250.0 surfaceSeries.visible = false heightSeries.visible = true middleGradient.position = 0.50 text = "Switch to Item Model Series" } } } } function checkState() { if (surfaceSeries.drawMode & Surface3DSeries.DrawSurface) surfaceToggle.text = "Hide Surface" else surfaceToggle.text = "Show Surface" if (surfaceSeries.drawMode & Surface3DSeries.DrawWireframe) surfaceGridToggle.text = "Hide Surface Grid" else surfaceGridToggle.text = "Show Surface Grid" } } </pre> </div> <!-- @@@qmlsurface/qml/qmlsurface/main.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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