183 lines
6.2 KiB
JavaScript
183 lines
6.2 KiB
JavaScript
// -*- mode: javascript; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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"use strict";
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// Base layers configuration
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function createBaseLayers() {
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var layers = [];
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var world = [];
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var us = [];
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world.push(new ol.layer.Tile({
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source: new ol.source.OSM(),
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name: 'osm',
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title: 'OpenStreetMap',
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type: 'base',
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}));
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if (BingMapsAPIKey) {
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world.push(new ol.layer.Tile({
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source: new ol.source.BingMaps({
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key: BingMapsAPIKey,
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imagerySet: 'Aerial'
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}),
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name: 'bing_aerial',
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title: 'Bing Aerial',
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type: 'base',
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}));
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world.push(new ol.layer.Tile({
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source: new ol.source.BingMaps({
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key: BingMapsAPIKey,
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imagerySet: 'Road'
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}),
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name: 'bing_roads',
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title: 'Bing Roads',
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type: 'base',
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}));
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}
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if (MapzenAPIKey) {
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world.push(createMapzenLayer());
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}
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if (ChartBundleLayers) {
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var chartbundleTypes = {
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sec: "Sectional Charts",
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tac: "Terminal Area Charts",
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wac: "World Aeronautical Charts",
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enrl: "IFR Enroute Low Charts",
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enra: "IFR Area Charts",
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enrh: "IFR Enroute High Charts"
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};
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for (var type in chartbundleTypes) {
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us.push(new ol.layer.Tile({
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source: new ol.source.TileWMS({
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url: 'http://wms.chartbundle.com/wms',
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params: {LAYERS: type},
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projection: 'EPSG:3857',
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attributions: 'Tiles courtesy of <a href="http://www.chartbundle.com/">ChartBundle</a>'
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}),
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name: 'chartbundle_' + type,
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title: chartbundleTypes[type],
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type: 'base',
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group: 'chartbundle'}));
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}
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}
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if (world.length > 0) {
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layers.push(new ol.layer.Group({
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name: 'world',
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title: 'Worldwide',
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layers: world
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}));
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}
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if (us.length > 0) {
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layers.push(new ol.layer.Group({
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name: 'us',
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title: 'US',
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layers: us
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}));
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}
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return layers;
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}
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function createMapzenLayer() {
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// draw earth with a fat stroke;
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// force water above earth
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var earthStyle = new ol.style.Style({
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fill: new ol.style.Fill({
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color: '#a06000'
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}),
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stroke: new ol.style.Stroke({
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color: '#a06000',
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width: 5.0
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}),
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zIndex: 0
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});
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var waterStyle = new ol.style.Style({
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fill: new ol.style.Fill({
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color: '#0040a0'
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}),
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stroke: new ol.style.Stroke({
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color: '#0040a0',
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width: 1.0
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}),
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zIndex: 1
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});
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var boundaryStyle = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: '#804000',
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width: 2.0
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}),
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zIndex: 2
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});
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var dashedBoundaryStyle = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: '#804000',
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width: 1.0,
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lineDash: [4, 4],
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}),
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zIndex: 2
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});
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var styleMap = {
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earth: earthStyle,
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water: waterStyle,
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basin: waterStyle,
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dock: waterStyle,
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lake: waterStyle,
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ocean: waterStyle,
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riverbank: waterStyle,
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river: waterStyle,
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country: boundaryStyle,
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disputed: dashedBoundaryStyle,
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indefinite: dashedBoundaryStyle,
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indeterminate: dashedBoundaryStyle,
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line_of_control: dashedBoundaryStyle
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};
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return new ol.layer.VectorTile({
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name: 'mapzen_vector',
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title: 'Mapzen coastlines and water',
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type: 'base',
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renderMode: 'image',
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renderOrder: function(a,b) {
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return a.get('sort_key') - b.get('sort_key');
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},
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source: new ol.source.VectorTile({
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url: '//vector.mapzen.com/osm/earth,water,boundaries/{z}/{x}/{y}.topojson?api_key=' + MapzenAPIKey,
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format: new ol.format.TopoJSON(),
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attributions: [
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new ol.Attribution({
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html: 'Tiles courtesy of <a href="http://mapzen.com">Mapzen</a>'
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}),
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new ol.Attribution({
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html: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
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})
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],
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tileGrid: ol.tilegrid.createXYZ({
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preload: 3,
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maxZoom: 14,
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tileSize: [512, 512]
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}),
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wrapX: true
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}),
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style: function (feature) {
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return (styleMap[feature.get('kind')]);
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}
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});
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}
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