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itowns

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A JS/WebGL framework for 3D geospatial data visualization

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<!-- Update menu with colors layers really displayed in viewer --> <!DOCTYPE html> <html> <head> <title>Itowns - Color layers Visible</title> <meta charset="UTF-8"> <link rel="stylesheet" type="text/css" href="css/example.css"> <link rel="stylesheet" type="text/css" href="css/LoadingScreen.css"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.min.js"></script> </head> <body> <div id="viewerDiv"></div> <script src="js/GUI/GuiTools.js"></script> <script src="../dist/itowns.js"></script> <script src="js/GUI/LoadingScreen.js"></script> <script type="text/javascript"> /* global itowns,document,GuiTools, setupLoadingScreen */ var positionOnGlobe = { longitude: 2.351323, latitude: 48.856712, altitude: 25000000 }; // iTowns namespace defined here var viewerDiv = document.getElementById('viewerDiv'); var view = new itowns.GlobeView(viewerDiv, positionOnGlobe); var menuGlobe = new GuiTools('menuDiv', view); setupLoadingScreen(viewerDiv, view); function addColorLayerFromConfig(config) { config.source = new itowns.WMTSSource(config.source); var layer = new itowns.ColorLayer(config.id, config); layer.visible = true; view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe)); } function addElevationLayerFromConfig(config) { config.source = new itowns.WMTSSource(config.source); var layer = new itowns.ElevationLayer(config.id, config); view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe)); } itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(addColorLayerFromConfig); itowns.Fetcher.json('./layers/JSONLayers/Cada.json').then(addColorLayerFromConfig); itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig); itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig); view.addEventListener(itowns.GLOBE_VIEW_EVENTS.GLOBE_INITIALIZED, function _() { // eslint-disable-next-line no-console console.info('Globe initialized'); // Open folder color menuGlobe.colorGui.closed = false; }); // Use frame requester to update menu before rendering view.addFrameRequester(itowns.MAIN_LOOP_EVENTS.BEFORE_RENDER, function _() { var displayedLayers = view.tileLayer.info.displayed.layers; var allLayers = view.getLayers(function a(l) { return l.isColorLayer || l.isElevationLayer; }); allLayers.forEach(function b(layer) { menuGlobe.colorLayerFolder(layer.id, displayedLayers.find(displayedLayer => displayedLayer.id == layer.id) ? 'rgb(57, 167, 57)' : 'rgb(255, 125, 125)'); }); }); </script> </body> </html>