141 lines
3.8 KiB
JavaScript
141 lines
3.8 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.format.TopoJSON');
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goog.require('ol.layer.VectorTile');
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goog.require('ol.proj');
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goog.require('ol.source.VectorTile');
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goog.require('ol.style.Fill');
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goog.require('ol.style.Stroke');
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goog.require('ol.style.Style');
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var format = new ol.format.TopoJSON();
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var tileGrid = ol.tilegrid.createXYZ({maxZoom: 19});
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var roadStyleCache = {};
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var roadColor = {
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'major_road': '#776',
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'minor_road': '#ccb',
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'highway': '#f39'
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};
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var landuseStyleCache = {};
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var buildingStyle = new ol.style.Style({
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fill: new ol.style.Fill({
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color: '#666',
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opacity: 0.4
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}),
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stroke: new ol.style.Stroke({
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color: '#444',
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width: 1
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})
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});
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var map = new ol.Map({
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layers: [
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new ol.layer.VectorTile({
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source: new ol.source.VectorTile({
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format: format,
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tileGrid: tileGrid,
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url: 'http://{a-c}.tile.openstreetmap.us/' +
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'vectiles-water-areas/{z}/{x}/{y}.topojson'
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}),
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style: new ol.style.Style({
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fill: new ol.style.Fill({
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color: '#9db9e8'
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})
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})
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}),
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new ol.layer.VectorTile({
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source: new ol.source.VectorTile({
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format: format,
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tileGrid: tileGrid,
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url: 'http://{a-c}.tile.openstreetmap.us/' +
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'vectiles-highroad/{z}/{x}/{y}.topojson'
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}),
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style: function(feature) {
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var kind = feature.get('kind');
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var railway = feature.get('railway');
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var sort_key = feature.get('sort_key');
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var styleKey = kind + '/' + railway + '/' + sort_key;
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var style = roadStyleCache[styleKey];
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if (!style) {
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var color, width;
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if (railway) {
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color = '#7de';
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width = 1;
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} else {
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color = roadColor[kind];
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width = kind == 'highway' ? 1.5 : 1;
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}
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style = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: color,
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width: width
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}),
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zIndex: sort_key
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});
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roadStyleCache[styleKey] = style;
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}
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return style;
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}
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}),
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new ol.layer.VectorTile({
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source: new ol.source.VectorTile({
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format: format,
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tileGrid: tileGrid,
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url: 'http://{a-c}.tile.openstreetmap.us/' +
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'vectiles-buildings/{z}/{x}/{y}.topojson'
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}),
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style: function(f, resolution) {
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return (resolution < 10) ? buildingStyle : null;
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}
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}),
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new ol.layer.VectorTile({
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source: new ol.source.VectorTile({
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format: format,
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tileGrid: tileGrid,
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url: 'http://{a-c}.tile.openstreetmap.us/' +
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'vectiles-land-usages/{z}/{x}/{y}.topojson'
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}),
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visible: false,
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style: function(feature) {
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var kind = feature.get('kind');
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var styleKey = kind;
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var style = landuseStyleCache[styleKey];
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if (!style) {
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var color, width;
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color = {
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'parking': '#ddd',
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'industrial': '#aaa',
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'urban area': '#aaa',
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'park': '#76C759',
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'school': '#DA10E7',
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'garden': '#76C759',
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'pitch': '#D58F8D',
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'scrub': '#3E7D28',
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'residential': '#4C9ED9'
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}[kind];
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width = kind == 'highway' ? 1.5 : 1;
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style = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: color,
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width: width
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}),
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fill: new ol.style.Fill({
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color: color,
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opacity: 0.5
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})
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});
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landuseStyleCache[styleKey] = style;
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}
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return style;
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}
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})
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],
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target: 'map',
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view: new ol.View({
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center: ol.proj.fromLonLat([-74.0064, 40.7142]),
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maxZoom: 19,
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zoom: 15
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})
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});
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