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Tiles should not load data outside maxExtent unless the

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'displayOutsideMaxExtent' option on the layer is set to true. Add
tests, docs, and code.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@1531 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2006-10-03 01:08:00 +00:00
parent 66a5d90965
commit 2cb4306beb
5 changed files with 67 additions and 10 deletions
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50
tests/test_Tile_Image.html
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@@ -27,7 +27,7 @@
function test_02_Tile_Image_draw (t) {
t.plan( 5 );
var layer = new Object(); //bogus layer
var layer = {maxExtent:new OpenLayers.Bounds(-180,-90,180,90)}; //bogus layer
layer.div = document.createElement("div");
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
@@ -51,11 +51,57 @@
t.eq( tile.imgDiv.style.width, "5px", "Image width is correct" );
t.eq( tile.imgDiv.style.height, "6px", "Image height is correct" );
}
function test_03_Tile_Image_OutsideMaxExtent(t) {
t.plan( 11 );
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'});
map.addLayer(layer);
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "", "Images against side of maxextent don't load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-91,180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Images over edges of maxextent do load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Images over edges of maxextent do load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering all of extent loads");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering small part of extent loads");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering more than all of extent loads");
layer.displayOutsideMaxExtent=1;
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Images against side of maxextent do load with displayOutsideMaxExtent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Images over edges of maxextent do load with displayOutsideMaxExtent set");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering all of extent loads with display outside max extent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering small part of extent loads with display outside max extent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
tile.draw()
t.eq(tile.imgDiv.src, "http://www.openlayers.org/dev/tests/tileimage", "Image covering more than all of extent loads");
}
// -->
</script>
</head>
<body>
<div id="map"></div>
</body>
</html>