172 lines
4.1 KiB
JavaScript
172 lines
4.1 KiB
JavaScript
goog.require('ol.Feature');
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goog.require('ol.Map');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.geom.LineString');
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goog.require('ol.geom.Point');
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goog.require('ol.layer.Tile');
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goog.require('ol.layer.Vector');
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goog.require('ol.shape');
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goog.require('ol.source.GeoJSON');
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goog.require('ol.source.OSM');
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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 image = ol.shape.renderCircle(5, null,
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new ol.style.Stroke({color: 'red', width: 1}));
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var styles = {
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'Point': [new ol.style.Style({
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image: image
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})],
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'LineString': [new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'green',
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width: 1
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})
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})],
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'MultiLineString': [new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'green',
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width: 1
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})
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})],
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'MultiPoint': [new ol.style.Style({
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image: image
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})],
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'MultiPolygon': [new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'yellow',
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width: 1
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}),
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fill: new ol.style.Fill({
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color: 'rgba(255, 255, 0, 0.1)'
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})
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})],
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'Polygon': [new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'blue',
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lineDash: [4],
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width: 3
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}),
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fill: new ol.style.Fill({
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color: 'rgba(0, 0, 255, 0.1)'
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})
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})]
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};
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var styleFunction = function(feature, resolution) {
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return styles[feature.getGeometry().getType()];
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};
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var vectorSource = new ol.source.GeoJSON(
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/** @type {ol.source.GeoJSONOptions} */ ({
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object: {
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'type': 'FeatureCollection',
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'crs': {
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'type': 'name',
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'properties': {
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'name': 'EPSG:3857'
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}
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},
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'features': [
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{
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'type': 'Feature',
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'geometry': {
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'type': 'Point',
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'coordinates': [0, 0]
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}
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},
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{
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'type': 'Feature',
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'geometry': {
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'type': 'LineString',
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'coordinates': [[4e6, -2e6], [8e6, 2e6]]
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}
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},
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{
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'type': 'Feature',
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'geometry': {
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'type': 'LineString',
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'coordinates': [[4e6, 2e6], [8e6, -2e6]]
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}
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},
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{
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'type': 'Feature',
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'geometry': {
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'type': 'Polygon',
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'coordinates': [[[-5e6, -1e6], [-4e6, 1e6], [-3e6, -1e6]]]
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}
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},
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{
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'type': 'Feature',
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'geometry': {
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'type': 'MultiLineString',
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'coordinates': [
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[[-1e6, -7.5e5], [-1e6, 7.5e5]],
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[[1e6, -7.5e5], [1e6, 7.5e5]],
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[[-7.5e5, -1e6], [7.5e5, -1e6]],
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[[-7.5e5, 1e6], [7.5e5, 1e6]]
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]
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}
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},
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{
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'type': 'Feature',
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'geometry': {
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'type': 'MultiPolygon',
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'coordinates': [
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[[[-5e6, 6e6], [-5e6, 8e6], [-3e6, 8e6], [-3e6, 6e6]]],
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[[[-2e6, 6e6], [-2e6, 8e6], [0e6, 8e6], [0e6, 6e6]]],
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[[[1e6, 6e6], [1e6, 8e6], [3e6, 8e6], [3e6, 6e6]]]
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]
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}
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}
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]
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}
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}));
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var vectorLayer = new ol.layer.Vector({
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source: vectorSource,
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styleFunction: styleFunction
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});
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var tmpLineFeature = new ol.Feature(
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new ol.geom.LineString([[-5e6, -5e6], [5e6, -5e6]]));
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var tmpPointFeature = new ol.Feature(
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new ol.geom.Point([0, 3e6]));
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var tmpStyle = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'magenta',
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lineCap: 'round',
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width: 5
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}),
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image: ol.shape.renderCircle(5,
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new ol.style.Fill({
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color: 'green'
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}),
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new ol.style.Stroke({
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color: 'blue'
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}))
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});
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vectorLayer.on('postcompose', function(event) {
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var render = event.getRender();
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render.drawFeature(tmpLineFeature, tmpStyle);
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render.drawFeature(tmpPointFeature, tmpStyle);
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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.Tile({
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source: new ol.source.OSM()
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}),
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vectorLayer
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],
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renderer: ol.RendererHint.CANVAS,
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target: 'map',
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view: new ol.View2D({
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center: [0, 0],
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zoom: 2
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})
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});
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