93 lines
2.0 KiB
JavaScript
93 lines
2.0 KiB
JavaScript
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.Point');
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goog.require('ol.layer.Vector');
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goog.require('ol.source.Vector');
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goog.require('ol.style.Fill');
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goog.require('ol.style.RegularShape');
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goog.require('ol.style.Stroke');
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goog.require('ol.style.Style');
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var stroke = new ol.style.Stroke({color: 'black', width: 1});
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var styles = {
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'square': new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'blue'}),
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stroke: stroke,
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points: 4,
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radius: 80,
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angle: Math.PI / 4
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})
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}),
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'triangle': new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'red'}),
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stroke: stroke,
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points: 3,
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radius: 80,
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rotation: Math.PI / 4,
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angle: 0
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})
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}),
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'star': new ol.style.Style({
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image: new ol.style.RegularShape({
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fill: new ol.style.Fill({color: 'green'}),
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stroke: stroke,
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points: 5,
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radius: 80,
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radius2: 4,
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angle: 0
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})
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})
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};
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function createLayer(coordinates, style, zIndex) {
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var feature = new ol.Feature(new ol.geom.Point(coordinates));
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feature.setStyle(style);
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var source = new ol.source.Vector({
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features: [feature]
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});
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var vectorLayer = new ol.layer.Vector({
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source: source
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});
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vectorLayer.setZIndex(zIndex);
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return vectorLayer;
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}
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var layer0 = createLayer([40, 40], styles['star'], 0);
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var layer1 = createLayer([0, 0], styles['square'], 1);
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var layer2 = createLayer([0, 40], styles['triangle'], 0);
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var layers = [];
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layers.push(layer1);
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layers.push(layer2);
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var map = new ol.Map({
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layers: layers,
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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: 18
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})
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});
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layer0.setMap(map);
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function bindInputs(id, layer) {
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var idxInput = document.getElementById('idx' + id);
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idxInput.onchange = function() {
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layer.setZIndex(parseInt(this.value, 10) || 0);
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};
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idxInput.value = String(layer.getZIndex());
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}
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bindInputs(1, layer1);
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bindInputs(2, layer2);
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