mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
synced 2026-01-25 15:23:04 +00:00
93 lines
4.1 KiB
JavaScript
93 lines
4.1 KiB
JavaScript
/*
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* Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
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* National Aeronautics and Space Administration. All rights reserved.
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*
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* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Illustrates how to load and display Well-Known Text (WKT) data.
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*/
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requirejs(['./WorldWindShim',
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'./LayerManager'],
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function (WorldWind,
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LayerManager) {
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"use strict";
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// Tell WorldWind to log only warnings and errors.
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WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING);
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// Create the WorldWindow.
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var wwd = new WorldWind.WorldWindow("canvasOne");
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// Create and add layers to the WorldWindow.
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var layers = [
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// Imagery layer.
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{layer: new WorldWind.BMNGLayer(), enabled: true},
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// Add atmosphere layer on top of base layer.
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{layer: new WorldWind.AtmosphereLayer(), enabled: true},
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// WorldWindow UI layers.
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{layer: new WorldWind.CompassLayer(), enabled: true},
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{layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: true},
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{layer: new WorldWind.ViewControlsLayer(wwd), enabled: true}
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];
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for (var l = 0; l < layers.length; l++) {
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layers[l].layer.enabled = layers[l].enabled;
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wwd.addLayer(layers[l].layer);
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}
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// Parse a WKT collection and add it as a Layer.
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var defaultLayer = new WorldWind.RenderableLayer("WKT Geometry Collection");
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new WorldWind.Wkt("" +
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"GEOMETRYCOLLECTION(" +
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" POLYGON ((40 -70, 45 -80, 40 -90)), " +
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" POINT (33 -75)," +
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" MULTIPOINT ((38 -70),(42 -75),(38 -80))," +
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" LINESTRING ((33 -75, 37 -80, 33 -85))," +
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" MULTILINESTRING ((38 -70, 42 -75, 38 -80),(43 -65, 47 -70, 43 -75))" +
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")").load(null, null, defaultLayer);
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wwd.addLayer(defaultLayer);
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// Using the callback mechanism presented in the Wkt parser to update the shapes as well as
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// showing a message that confirms a successful rendering.
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var customCallbackLayer = new WorldWind.RenderableLayer("WKT Multi Polygon");
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new WorldWind.Wkt("MULTIPOLYGON (((50 -60, 55 -70, 50 -80)),((30 -60, 35 -70, 30 -80)))").load(
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function completionCallback(wkt, objects) {
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// Once all the shapes are parsed, this function is called.
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console.log('Parsing of the Wkt was completed');
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wkt.defaultParserCompletionCallback(wkt, objects);
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},
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function shapeConfigurationCallback(shape) {
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if (shape.type === WorldWind.WktType.SupportedGeometries.MULTI_POLYGON) {
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var shapeAttributes = new WorldWind.ShapeAttributes(null);
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shapeAttributes.interiorColor = WorldWind.Color.GREEN;
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return {
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attributes: shapeAttributes
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};
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}
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},
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customCallbackLayer
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);
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wwd.addLayer(customCallbackLayer);
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// Allow for parsing of Well-Known Text from the app's text box (entered by the user).
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var wktLayer = new WorldWind.RenderableLayer('WKT Custom');
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$('#showWkt').click(function () {
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new WorldWind.Wkt($('#wkt').val()).load(null, null, wktLayer);
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});
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wwd.addLayer(wktLayer);
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// Create a layer manager for controlling layer visibility.
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var layerManager = new LayerManager(wwd);
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}); |