Build and parse examples from examples_src/
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@@ -1,79 +0,0 @@
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goog.require('ol.Feature');
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goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.geom.MultiPoint');
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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.source.MapQuest');
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goog.require('ol.style.Circle');
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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 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.MapQuest({layer: 'sat'})
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})
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],
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renderer: exampleNS.getRendererFromQueryString(),
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target: 'map',
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view: new ol.View({
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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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var imageStyle = new ol.style.Circle({
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radius: 5,
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snapToPixel: false,
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fill: new ol.style.Fill({color: 'yellow'}),
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stroke: new ol.style.Stroke({color: 'red', width: 1})
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});
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var headInnerImageStyle = new ol.style.Style({
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image: new ol.style.Circle({
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radius: 2,
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snapToPixel: false,
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fill: new ol.style.Fill({color: 'blue'})
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})
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});
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var headOuterImageStyle = new ol.style.Circle({
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radius: 5,
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snapToPixel: false,
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fill: new ol.style.Fill({color: 'black'})
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});
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var n = 200;
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var omegaTheta = 30000; // Rotation period in ms
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var R = 7e6;
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var r = 2e6;
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var p = 2e6;
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map.on('postcompose', function(event) {
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var vectorContext = event.vectorContext;
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var frameState = event.frameState;
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var theta = 2 * Math.PI * frameState.time / omegaTheta;
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var coordinates = [];
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var i;
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for (i = 0; i < n; ++i) {
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var t = theta + 2 * Math.PI * i / n;
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var x = (R + r) * Math.cos(t) + p * Math.cos((R + r) * t / r);
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var y = (R + r) * Math.sin(t) + p * Math.sin((R + r) * t / r);
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coordinates.push([x, y]);
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}
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vectorContext.setImageStyle(imageStyle);
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vectorContext.drawMultiPointGeometry(
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new ol.geom.MultiPoint(coordinates), null);
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var headPoint = new ol.geom.Point(coordinates[coordinates.length - 1]);
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var headFeature = new ol.Feature(headPoint);
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vectorContext.drawFeature(headFeature, headInnerImageStyle);
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vectorContext.setImageStyle(headOuterImageStyle);
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vectorContext.drawMultiPointGeometry(headPoint, null);
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map.render();
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});
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map.render();
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