Add MapServer Untiled Layer to OpenLayers. Originally developed by Steve
Woodbridge, tests written by Paul Spencer and some reworking done. Thanks to both Paul and Steve for this code. (Closes #526.) git-svn-id: http://svn.openlayers.org/trunk/openlayers@2891 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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crschmidt
163
tests/Layer/test_MapServer_Untiled.html
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163
tests/Layer/test_MapServer_Untiled.html
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<html>
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<head>A
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript"><!--
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var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var layer;
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var name = 'Test Layer';
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var url = "http://labs.metacarta.com/cgi-bin/mapserv";
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var params = { map: '/mapdata/vmap_wms.map',
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Alayers: 'basic'};
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function test_01_Layer_MapServer_Untiled_constructor (t) {
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t.plan( 4 );
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var url = "http://labs.metacarta.com/cgi-bin/mapserv";
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params);
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t.ok( layer instanceof OpenLayers.Layer.MapServer.Untiled, "new OpenLayers.Layer.MapServer returns object" );
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t.eq( layer.url, "http://labs.metacarta.com/cgi-bin/mapserv", "layer.url is correct (HTTPRequest inited)" );
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t.eq( layer.params.mode, "map", "default mode param correctly copied");
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t.eq( layer.params.map_imagetype, "png", "default imagetype correctly copied");
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}
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function test_04_Layer_MapServer_Untiled_clone (t) {
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t.plan(3);
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var url = "http://labs.metacarta.com/cgi-bin/mapserv";
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var map = new OpenLayers.Map('map', {});
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params);
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map.addLayer(layer);
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var clone = layer.clone();
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layer.tile = [[1,2],[3,4]];
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t.ok( clone.tile != layer.tile, "clone does not copy tile");
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layer.ratio += 1;
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t.eq( clone.ratio, 1, "changing layer.ratio does not change clone.ratio -- a fresh copy was made, not just copied reference");
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t.eq( clone.alpha, layer.alpha, "alpha copied correctly");
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layer.tile = null;
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}
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function test_05_Layer_MapServer_Untiled_isBaseLayer(t) {
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t.plan(3);
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var url = "http://labs.metacarta.com/cgi-bin/mapserv";
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params);
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t.ok( layer.isBaseLayer, "baselayer is true by default");
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var newParams = OpenLayers.Util.extend(new Object(), params);
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newParams.transparent = "true";
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, newParams);
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t.ok( !layer.isBaseLayer, "baselayer is false when transparent is set to true");
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params, {isBaseLayer: false});
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t.ok( !layer.isBaseLayer, "baselayer is false when option is set to false" );
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}
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function test_06_Layer_MapServer_Untiled_mergeNewParams (t) {
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t.plan( 5 );
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var map = new OpenLayers.Map("map");
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var url = "http://labs.metacarta.com/cgi-bin/mapserv";
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params);
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var newParams = { layers: 'sooper',
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chickpeas: 'image/png'};
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map.addLayer(layer);
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map.zoomToMaxExtent();
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t.ok( !layer.tile.url.match("chickpeas"), "chickpeas is not in URL of first tile in grid" );
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layer.mergeNewParams(newParams);
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t.eq( layer.params.layers, "sooper", "mergeNewParams() overwrites well");
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t.eq( layer.params.chickpeas, "image/png", "mergeNewParams() adds well");
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t.ok( layer.tile.url.match("chickpeas"), "chickpeas is in URL of first tile in grid" );
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newParams.chickpeas = 151;
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t.eq( layer.params.chickpeas, "image/png", "mergeNewParams() makes clean copy of hashtable");
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}
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function test_07_Layer_MapServer_Untiled_getFullRequestString (t) {
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t.plan( 1 );
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var map = new OpenLayers.Map('map');
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tUrl = "http://labs.metacarta.com/cgi-bin/mapserv";
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tParams = { layers: 'basic',
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format: 'png'};
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var tLayer = new OpenLayers.Layer.MapServer.Untiled(name, tUrl, tParams);
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map.addLayer(tLayer);
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str = tLayer.getFullRequestString();
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var tParams = {
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layers: 'basic',
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format: 'png',
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mode: 'map',
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map_imagetype: 'png',
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srs: 'EPSG:4326'
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};
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var sStr = tUrl + "?" + OpenLayers.Util.getParameterString(tParams);
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sStr = sStr.replace(/,/g, "+");
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t.eq(str, sStr , "getFullRequestString() works");
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}
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function test_08_Layer_MapServer_Untiled_setOpacity (t) {
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t.plan( 4 );
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var map = new OpenLayers.Map('map');
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map.projection = "xx";
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tUrl = "http://labs.metacarta.com/cgi-bin/mapserv";
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tParams = { layers: 'basic',
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format: 'image/png'};
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tOptions = { 'opacity': '0.5' };
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var tLayer = new OpenLayers.Layer.MapServer.Untiled(name, tUrl, tParams, tOptions);
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map.addLayer(tLayer);
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map.zoomToMaxExtent();
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t.eq(tLayer.opacity, "0.5", "Opacity is set correctly");
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t.eq(parseFloat(tLayer.div.firstChild.style.opacity), 0.5, "Opacity on tile is correct");
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tLayer.setOpacity("0.6");
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t.eq(tLayer.opacity, "0.6", "setOpacity works properly");
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t.eq(parseFloat(tLayer.div.firstChild.style.opacity), 0.6, "Opacity on tile is changed correctly");
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}
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function test_99_Layer_MapServer_Untiled_destroy (t) {
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t.plan( 1 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.MapServer.Untiled(name, url, params);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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//grab a reference to one of the tiles
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var tile = layer.tile;
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layer.destroy();
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// checks to make sure superclass (grid) destroy() was called
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t.ok( layer.tile == null, "tile set to null");
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}
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// -->
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</script>
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</head>
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<body>
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<div id="map" style="width:256px;height:256px"></div>
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</body>
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</html>
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