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Return null tiles when out of range

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This commit is contained in:
Tom Payne
2012-07-15 22:22:25 +02:00
parent bf31b614e8
commit 8df2404e77
2 changed files with 8 additions and 2 deletions
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src/ol/tilestore.js
+6 -1
View File
@@ -102,7 +102,12 @@ ol.TileStore.prototype.getTile = function(tileCoord) {
return this.tileCache_[key]; return this.tileCache_[key];
} else { } else {
var tileUrl = this.getTileCoordUrl(tileCoord); var tileUrl = this.getTileCoordUrl(tileCoord);
var tile = new ol.Tile(tileCoord, tileUrl, this.crossOrigin_); var tile;
if (goog.isDef(tileUrl)) {
tile = new ol.Tile(tileCoord, tileUrl, this.crossOrigin_);
} else {
tile = null;
}
this.tileCache_[key] = tile; this.tileCache_[key] = tile;
return tile; return tile;
} }
src/ol/webgl/tilelayerrenderer.js
+2 -1
View File
@@ -210,7 +210,8 @@ ol.webgl.TileLayerRenderer.prototype.redraw = function() {
tileBounds.forEachTileCoord(z, function(tileCoord) { tileBounds.forEachTileCoord(z, function(tileCoord) {
var tile = tileStore.getTile(tileCoord); var tile = tileStore.getTile(tileCoord);
if (tile.isLoaded()) { if (goog.isNull(tile)) {
} else if (tile.isLoaded()) {
var x = tileSize.width * (tileCoord.x - tileBounds.minX); var x = tileSize.width * (tileCoord.x - tileBounds.minX);
var y = tileSize.height * (tileCoord.y - tileBounds.minY); var y = tileSize.height * (tileCoord.y - tileBounds.minY);
gl.texSubImage2D(goog.webgl.TEXTURE_2D, 0, gl.texSubImage2D(goog.webgl.TEXTURE_2D, 0,