1 | goog.require('ol.Map');
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2 | goog.require('ol.View');
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3 | goog.require('ol.layer.Group');
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4 | goog.require('ol.layer.Tile');
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5 | goog.require('ol.proj');
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6 | goog.require('ol.source.OSM');
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7 | goog.require('ol.source.TileJSON');
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8 |
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9 | var map = new ol.Map({
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10 | layers: [
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11 | new ol.layer.Tile({
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12 | source: new ol.source.OSM()
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13 | }), new ol.layer.Group({
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14 | layers: [
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15 | new ol.layer.Tile({
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16 | source: new ol.source.TileJSON({
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17 | url: 'https://api.tiles.mapbox.com/v3/mapbox.20110804-hoa-foodinsecurity-3month.json?secure',
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18 | crossOrigin: 'anonymous'
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19 | })
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20 | }),
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21 | new ol.layer.Tile({
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22 | source: new ol.source.TileJSON({
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23 | url: 'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
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24 | crossOrigin: 'anonymous'
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25 | })
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26 | })
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27 | ]
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28 | })
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29 | ],
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30 | target: 'map',
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31 | view: new ol.View({
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32 | center: ol.proj.fromLonLat([37.40570, 8.81566]),
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33 | zoom: 4
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34 | })
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35 | });
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36 |
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37 | function bindInputs(layerid, layer) {
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38 | var visibilityInput = $(layerid + ' input.visible');
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39 | visibilityInput.on('change', function() {
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40 | layer.setVisible(this.checked);
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41 | });
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42 | visibilityInput.prop('checked', layer.getVisible());
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43 |
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44 | var opacityInput = $(layerid + ' input.opacity');
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45 | opacityInput.on('input change', function() {
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46 | layer.setOpacity(parseFloat(this.value));
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47 | });
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48 | opacityInput.val(String(layer.getOpacity()));
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49 | }
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50 | map.getLayers().forEach(function(layer, i) {
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51 | bindInputs('#layer' + i, layer);
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52 | if (layer instanceof ol.layer.Group) {
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53 | layer.getLayers().forEach(function(sublayer, j) {
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54 | bindInputs('#layer' + i + j, sublayer);
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55 | });
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56 | }
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57 | });
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58 |
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59 | $('#layertree li > span').click(function() {
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60 | $(this).siblings('fieldset').toggle();
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61 | }).siblings('fieldset').hide();
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