53 lines
1.0 KiB
JavaScript
53 lines
1.0 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.interaction.Draw');
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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.source.OSM');
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goog.require('ol.source.Vector');
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var raster = new ol.layer.Tile({
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source: new ol.source.OSM()
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});
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var source = new ol.source.Vector({wrapX: false});
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var vector = new ol.layer.Vector({
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source: source
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});
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var map = new ol.Map({
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layers: [raster, vector],
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target: 'map',
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view: new ol.View({
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center: [-11000000, 4600000],
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zoom: 4
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})
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});
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var typeSelect = document.getElementById('type');
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var draw; // global so we can remove it later
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function addInteraction() {
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var value = typeSelect.value;
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if (value !== 'None') {
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draw = new ol.interaction.Draw({
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source: source,
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type: /** @type {ol.geom.GeometryType} */ (typeSelect.value),
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freehand: true
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});
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map.addInteraction(draw);
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}
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}
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/**
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* Handle change event.
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*/
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typeSelect.onchange = function() {
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map.removeInteraction(draw);
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addInteraction();
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};
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addInteraction();
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