1 | goog.require('ol.Feature');
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2 | goog.require('ol.Map');
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3 | goog.require('ol.View');
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4 | goog.require('ol.geom.Point');
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5 | goog.require('ol.layer.Vector');
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6 | goog.require('ol.source.Vector');
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7 | goog.require('ol.style.Fill');
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8 | goog.require('ol.style.RegularShape');
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9 | goog.require('ol.style.Stroke');
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10 | goog.require('ol.style.Style');
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11 |
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12 |
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13 | var stroke = new ol.style.Stroke({color: 'black', width: 1});
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14 |
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15 | var styles = {
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16 | 'square': new ol.style.Style({
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17 | image: new ol.style.RegularShape({
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18 | fill: new ol.style.Fill({color: 'blue'}),
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19 | stroke: stroke,
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20 | points: 4,
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21 | radius: 80,
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22 | angle: Math.PI / 4
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23 | })
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24 | }),
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25 | 'triangle': new ol.style.Style({
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26 | image: new ol.style.RegularShape({
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27 | fill: new ol.style.Fill({color: 'red'}),
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28 | stroke: stroke,
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29 | points: 3,
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30 | radius: 80,
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31 | rotation: Math.PI / 4,
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32 | angle: 0
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33 | })
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34 | }),
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35 | 'star': new ol.style.Style({
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36 | image: new ol.style.RegularShape({
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37 | fill: new ol.style.Fill({color: 'green'}),
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38 | stroke: stroke,
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39 | points: 5,
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40 | radius: 80,
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41 | radius2: 4,
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42 | angle: 0
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43 | })
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44 | })
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45 | };
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46 |
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47 |
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48 | function createLayer(coordinates, style, zIndex) {
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49 | var feature = new ol.Feature(new ol.geom.Point(coordinates));
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50 | feature.setStyle(style);
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51 |
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52 | var source = new ol.source.Vector({
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53 | features: [feature]
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54 | });
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55 |
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56 | var vectorLayer = new ol.layer.Vector({
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57 | source: source
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58 | });
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59 | vectorLayer.setZIndex(zIndex);
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60 |
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61 | return vectorLayer;
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62 | }
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63 |
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64 | var layer0 = createLayer([40, 40], styles['star'], 0);
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65 | var layer1 = createLayer([0, 0], styles['square'], 1);
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66 | var layer2 = createLayer([0, 40], styles['triangle'], 0);
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67 |
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68 | var layers = [];
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69 | layers.push(layer1);
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70 | layers.push(layer2);
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71 |
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72 | var map = new ol.Map({
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73 | layers: layers,
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74 | target: 'map',
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75 | view: new ol.View({
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76 | center: [0, 0],
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77 | zoom: 18
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78 | })
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79 | });
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80 |
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81 | layer0.setMap(map);
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82 |
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83 |
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84 | function bindInputs(id, layer) {
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85 | var idxInput = document.getElementById('idx' + id);
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86 | idxInput.onchange = function() {
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87 | layer.setZIndex(parseInt(this.value, 10) || 0);
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88 | };
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89 | idxInput.value = String(layer.getZIndex());
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90 | }
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91 | bindInputs(1, layer1);
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92 | bindInputs(2, layer2);
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