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ol.source.RemoteVector
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| <!doctype html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <meta http-equiv="X-UA-Compatible" content="chrome=1"> | ||
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width"> | ||
| <link rel="stylesheet" href="../css/ol.css" type="text/css"> | ||
| <link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css"> | ||
| <link rel="stylesheet" href="../resources/layout.css" type="text/css"> | ||
| <link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css"> | ||
| <title>Tile vector example</title> | ||
| </head> | ||
| <body> | ||
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| <div class="navbar navbar-inverse navbar-fixed-top"> | ||
| <div class="navbar-inner"> | ||
| <div class="container"> | ||
| <a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a> | ||
| </div> | ||
| </div> | ||
| </div> | ||
|
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| <div class="container-fluid"> | ||
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| <div class="row-fluid"> | ||
| <div class="span12"> | ||
| <div id="map" class="map" style="background: white;"></div> | ||
| </div> | ||
| </div> | ||
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| <div class="row-fluid"> | ||
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| <div class="span12"> | ||
| <h4 id="title">Tile vector example</h4> | ||
| <p id="shortdesc">Example of <a href="http://openstreetmap.us/~migurski/vector-datasource/">vector tiles from openstreetmap.us</a>.</p> | ||
| <div id="docs"> | ||
| <p>See the <a href="tile-vector.js" target="_blank">tile-vector.js source</a> to see how this is done.</p> | ||
| </div> | ||
| <div id="tags">tile-vector, openstreetmap</div> | ||
| </div> | ||
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| </div> | ||
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| </div> | ||
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| <script src="jquery.min.js" type="text/javascript"></script> | ||
| <script src="../resources/example-behaviour.js" type="text/javascript"></script> | ||
| <script src="loader.js?id=tile-vector" type="text/javascript"></script> | ||
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| </body> | ||
| </html> |
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| goog.require('ol.Map'); | ||
| goog.require('ol.View2D'); | ||
| goog.require('ol.format.TopoJSON'); | ||
| goog.require('ol.layer.Vector'); | ||
| goog.require('ol.proj'); | ||
| goog.require('ol.source.TileVector'); | ||
| goog.require('ol.style.Fill'); | ||
| goog.require('ol.style.Stroke'); | ||
| goog.require('ol.style.Style'); | ||
| goog.require('ol.tilegrid.XYZ'); | ||
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| var waterLayer = new ol.layer.Vector({ | ||
| source: new ol.source.TileVector({ | ||
| format: new ol.format.TopoJSON({ | ||
| defaultProjection: 'EPSG:4326' | ||
| }), | ||
| projection: 'EPSG:3857', | ||
| tileGrid: new ol.tilegrid.XYZ({ | ||
| maxZoom: 19 | ||
| }), | ||
| url: 'http://{a-c}.tile.openstreetmap.us/' + | ||
| 'vectiles-water-areas/{z}/{x}/{y}.topojson' | ||
| }), | ||
| style: new ol.style.Style({ | ||
| fill: new ol.style.Fill({ | ||
| color: '#9db9e8' | ||
| }) | ||
| }) | ||
| }); | ||
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| var roadStyleCache = {}; | ||
| var roadLayer = new ol.layer.Vector({ | ||
| source: new ol.source.TileVector({ | ||
| format: new ol.format.TopoJSON({ | ||
| defaultProjection: 'EPSG:4326' | ||
| }), | ||
| projection: 'EPSG:3857', | ||
| tileGrid: new ol.tilegrid.XYZ({ | ||
| maxZoom: 19 | ||
| }), | ||
| url: 'http://{a-c}.tile.openstreetmap.us/' + | ||
| 'vectiles-highroad/{z}/{x}/{y}.topojson' | ||
| }), | ||
| style: function(feature, resolution) { | ||
| var kind = feature.get('kind'); | ||
| var railway = feature.get('railway'); | ||
| var sort_key = feature.get('sort_key'); | ||
| var styleKey = kind + '/' + railway + '/' + sort_key; | ||
| var styleArray = roadStyleCache[styleKey]; | ||
| if (!styleArray) { | ||
| var color, width; | ||
| if (railway) { | ||
| color = '#7de'; | ||
| width = 1; | ||
| } else { | ||
| color = { | ||
| 'major_road': '#776', | ||
| 'minor_road': '#ccb', | ||
| 'highway': '#f39' | ||
| }[kind]; | ||
| width = kind == 'highway' ? 1.5 : 1; | ||
| } | ||
| styleArray = [new ol.style.Style({ | ||
| stroke: new ol.style.Stroke({ | ||
| color: color, | ||
| width: width | ||
| }), | ||
| zIndex: sort_key | ||
| })]; | ||
| roadStyleCache[styleKey] = styleArray; | ||
| } | ||
| return styleArray; | ||
| } | ||
| }); | ||
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| var map = new ol.Map({ | ||
| layers: [waterLayer, roadLayer], | ||
| renderer: 'canvas', | ||
| target: document.getElementById('map'), | ||
| view: new ol.View2D({ | ||
| center: ol.proj.transform([-74.0064, 40.7142], 'EPSG:4326', 'EPSG:3857'), | ||
| maxZoom: 19, | ||
| zoom: 14 | ||
| }) | ||
| }); |
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| @exportSymbol ol.format.OSMXML |
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| @exportSymbol ol.loadingstrategy.all | ||
| @exportSymbol ol.loadingstrategy.bbox | ||
| @exportSymbol ol.loadingstrategy.createTile |
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| goog.provide('ol.loadingstrategy'); | ||
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| goog.require('ol.TileCoord'); | ||
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| /** | ||
| * @param {ol.Extent} extent Extent. | ||
| * @param {number} resolution Resolution. | ||
| * @return {Array.<ol.Extent>} Extents. | ||
| */ | ||
| ol.loadingstrategy.all = function(extent, resolution) { | ||
| return [[-Infinity, -Infinity, Infinity, Infinity]]; | ||
| }; | ||
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| /** | ||
| * @param {ol.Extent} extent Extent. | ||
| * @param {number} resolution Resolution. | ||
| * @return {Array.<ol.Extent>} Extents. | ||
| */ | ||
| ol.loadingstrategy.bbox = function(extent, resolution) { | ||
| return [extent]; | ||
| }; | ||
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| /** | ||
| * @param {ol.tilegrid.TileGrid} tileGrid Tile grid. | ||
| * @return {function(ol.Extent, number): Array.<ol.Extent>} Loading strategy. | ||
| */ | ||
| ol.loadingstrategy.createTile = function(tileGrid) { | ||
| return ( | ||
| /** | ||
| * @param {ol.Extent} extent Extent. | ||
| * @param {number} resolution Resolution. | ||
| * @return {Array.<ol.Extent>} Extents. | ||
| */ | ||
| function(extent, resolution) { | ||
| var z = tileGrid.getZForResolution(resolution); | ||
| var tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z); | ||
| /** @type {Array.<ol.Extent>} */ | ||
| var extents = []; | ||
| var tileCoord = new ol.TileCoord(z, 0, 0); | ||
| for (tileCoord.x = tileRange.minX; tileCoord.x <= tileRange.maxX; | ||
| ++tileCoord.x) { | ||
| for (tileCoord.y = tileRange.minY; tileCoord.y <= tileRange.maxY; | ||
| ++tileCoord.y) { | ||
| extents.push(tileGrid.getTileCoordExtent(tileCoord)); | ||
| } | ||
| } | ||
| return extents; | ||
| }); | ||
| }; |
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