7df5e3ca8e
This also fixes an issue that has gone unnoticed for a while: the grid did not cover the bottom of the map viewport, but instead covered an invisible area above the top of the map viewport.
189 lines
10 KiB
HTML
189 lines
10 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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// turn off animation frame handling, so we can check img urls in tests
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delete OpenLayers.Layer.Grid.prototype.queueTileDraw;
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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://octo.metacarta.com/cgi-bin/mapserv";
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var params = { map: '/mapdata/vmap_wms.map',
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layers: 'basic',
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format: 'image/png'};
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function test_Layer_WrapDateLine_adjustBounds(t) {
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t.plan(10);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
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map.addLayer(layer);
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map.zoomToMaxExtent();
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var bounds = layer.adjustBounds(new OpenLayers.Bounds(-270,-90,-180,0));
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t.ok( bounds.equals(new OpenLayers.Bounds(90,-90,180,0)), "-270,-90,-180,0 wraps to 90,-90,180,0");
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bounds = layer.adjustBounds(new OpenLayers.Bounds(180,-90,270,0));
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t.ok( bounds.equals(new OpenLayers.Bounds(-180,-90,-90,0)), "180,-90,270,0 wraps to -180,-90,-90,0");
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bounds = layer.adjustBounds(new OpenLayers.Bounds(-180,-90,0,0));
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t.ok( bounds.equals(new OpenLayers.Bounds(-180,-90,0,0)), "-180,-90,0,0 doesn't wrap");
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bounds = layer.adjustBounds(new OpenLayers.Bounds(-181,-90,-179,0));
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t.ok( bounds.equals(new OpenLayers.Bounds(-181,-90,-179,0)), "-181,-90,-179,0 doesn't wrap, because it straddles the dateline");
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bounds = layer.adjustBounds(new OpenLayers.Bounds(-180,-180,-90,-90));
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t.ok( bounds.equals(new OpenLayers.Bounds(-180,-180,-90,-90)), "-180,-180,-90,-90 doesn't wrap, because we don't wrap lats.");
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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var testBounds = null;
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var outBounds = null;
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var testList = [
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new OpenLayers.Bounds(-270,-90,-180,0),
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new OpenLayers.Bounds(180,-90,270,0),
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new OpenLayers.Bounds(-180,-90,0,0),
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new OpenLayers.Bounds(-181,-90,-179,0),
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new OpenLayers.Bounds(-180,-180,-90,-90)
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];
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for (var i = 0; i < testList.length; i++) {
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outBounds = layer.adjustBounds(testList[i]);
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t.ok( outBounds.equals(testList[i]), testList[i]+" doesn't wrap in non-wrapping layer.");
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}
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map.destroy();
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}
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function test_Layer_WrapDateLine_getLonLat(t) {
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t.plan(12);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
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map.addLayer(layer);
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map.zoomToMaxExtent();
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var testLonLats = [
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new OpenLayers.LonLat(-185,5),
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new OpenLayers.LonLat(-180,-95),
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new OpenLayers.LonLat(-180,95),
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new OpenLayers.LonLat(180,-95),
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new OpenLayers.LonLat(180,95),
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new OpenLayers.LonLat(185,5)
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];
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var outLonLats = [
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new OpenLayers.LonLat(175,5),
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new OpenLayers.LonLat(-180,-95),
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new OpenLayers.LonLat(-180,95),
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new OpenLayers.LonLat(180,-95),
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new OpenLayers.LonLat(180,95),
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new OpenLayers.LonLat(-175,5)
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];
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for (var i = 0; i < testLonLats.length; i++) {
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var pixel = layer.getViewPortPxFromLonLat(testLonLats[i]);
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var lonlat = layer.getLonLatFromViewPortPx(pixel);
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lonlat.lon = Math.round(lonlat.lon);
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lonlat.lat = Math.round(lonlat.lat);
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t.ok(outLonLats[i].equals(lonlat), testLonLats[i] + " wraps to " + outLonLats[i]+ " (what happened: " + lonlat + ")");
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}
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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var outLonLats = [
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new OpenLayers.LonLat(-185,5),
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new OpenLayers.LonLat(-180,-95),
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new OpenLayers.LonLat(-180,95),
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new OpenLayers.LonLat(180,-95),
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new OpenLayers.LonLat(180,95),
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new OpenLayers.LonLat(185,5)
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];
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for (var i = 0; i < testLonLats.length; i++) {
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var pixel = layer.getViewPortPxFromLonLat(testLonLats[i]);
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var lonlat = layer.getLonLatFromViewPortPx(pixel);
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lonlat.lon = Math.round(lonlat.lon);
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lonlat.lat = Math.round(lonlat.lat);
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t.ok(outLonLats[i].equals(lonlat), testLonLats[i] + " wraps to " + outLonLats[i]+ " (what happened: " + lonlat + ")");
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}
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map.destroy();
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}
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function test_Layer_WrapDateLine_ZoomToExtent (t) {
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t.plan( 4 );
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var url = "http://octo.metacarta.com/cgi-bin/mapserv";
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layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
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var m = new OpenLayers.Map('map');
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m.addLayer(layer);
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m.setCenter = function(myCenter) { this.center = myCenter; }
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var testBounds = [
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new OpenLayers.Bounds(-185,-90,-175,-85),
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new OpenLayers.Bounds(0,-90,-170,-85),
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new OpenLayers.Bounds(-270,-90,-180,-85),
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new OpenLayers.Bounds(0,0,45,45)
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];
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var outCenters = [
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new OpenLayers.LonLat(-180,-87.5),
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new OpenLayers.LonLat(95,-87.5),
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new OpenLayers.LonLat(135,-87.5),
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new OpenLayers.LonLat(22.5,22.5)
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];
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for (var i = 0; i < testBounds.length; i++) {
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m.zoomToExtent(testBounds[i]);
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t.ok(m.center.equals(outCenters[i]), "Map center from bounds " + testBounds[i] + " should be " + outCenters[i] + ", got " + m.center);
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}
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m.destroy();
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}
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function test_Layer_WrapDateLine_WMS (t) {
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t.plan( 4 );
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var url = "http://octo.metacarta.com/cgi-bin/mapserv";
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layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true,encodeBBOX:true, buffer: 2});
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var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
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m.addLayer(layer);
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m.zoomToMaxExtent();
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t.eq(layer.grid[3][0].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "cell [3][0] is wrapped around the world.");
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t.eq(layer.grid[3][1].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=-180%2C-90%2C0%2C90&WIDTH=256&HEIGHT=256", "cell [3][1] is wrapped around the world.");
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t.eq(layer.grid[3][2].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "cell [3][2] is not wrapped at all.");
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t.ok(layer.grid[0][2].url == null, "no latitudinal wrapping - tile not loaded if outside maxExtent");
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m.destroy();
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}
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function test_Layer_WrapDateLine_KaMap (t) {
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t.plan( 4 );
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var layer = new OpenLayers.Layer.KaMap( "Blue Marble NG",
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"http://www.openlayers.org/world/index.php",
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{g: "satellite", map: "world"},
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{wrapDateLine: true, buffer: 2} );
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var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
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m.addLayer(layer);
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m.zoomToMaxExtent();
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t.eq(layer.grid[4][7].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=0&l=-256&s=221471921.25", "grid[5][7] kamap is okay");
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t.eq(layer.grid[4][6].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=0&l=0&s=221471921.25", "grid[5][6] kamap is okay");
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t.eq(layer.grid[4][5].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=0&l=-256&s=221471921.25", "grid[5][5] is okay");
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t.ok(layer.grid[7][6].url == null, "no latitudinal wrapping - tile not loaded if outside maxExtent");
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m.destroy();
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}
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function test_Layer_WrapDateLine_WMS_Overlay (t) {
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t.plan( 4 );
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var url = "http://octo.metacarta.com/cgi-bin/mapserv";
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baselayer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true, buffer: 2});
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var layer = new OpenLayers.Layer.WMS( "DM Solutions Demo",
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"http://www2.dmsolutions.ca/cgi-bin/mswms_gmap",
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{layers: "bathymetry,land_fn,park,drain_fn,drainage," +
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"prov_bound,fedlimit,rail,road,popplace",
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transparent: "true", format: "image/png"},
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{wrapDateLine: true, encodeBBOX:true, buffer:2});
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var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
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m.addLayers([baselayer,layer]);
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m.zoomToMaxExtent();
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t.eq(layer.grid[3][0].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "grid[0][0] wms overlay is okay");
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t.eq(layer.grid[3][1].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=-180%2C-90%2C0%2C90&WIDTH=256&HEIGHT=256", "grid[0][3] wms overlay is okay");
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t.eq(layer.grid[3][2].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "grid[3][0] wms overlay okay");
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t.ok(layer.grid[0][2].url == null, "no latitudinal wrapping - tile not loaded if outside maxExtent");
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m.destroy();
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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:1000px;height:550px"></div>
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</body>
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</html>
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