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[ol.layer.TileLayer] do not load tiles outside the layer's extent

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Éric Lemoine
2012-06-24 22:24:34 +02:00
parent 9c46aadd22
commit 192caa1c65
3 changed files with 544 additions and 11 deletions
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src/ol/renderer/TileLayerRenderer.js
+16 -11
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@@ -215,24 +215,29 @@ ol.renderer.TileLayerRenderer.prototype.draw = function(center, resolution) {
} else {
pxTileBottom = pxTileTop + pxTileHeight;
}
img = null;
tile = this.renderedTiles_[xyz];
if (!tile) {
tile = this.layer_.getTileForXYZ(tileX, tileY, tileZ);
if (!tile.isLoaded() && !tile.isLoading()) {
tile.load();
if (tile) {
if (!tile.isLoaded() && !tile.isLoading()) {
tile.load();
}
this.renderedTiles_[xyz] = tile;
img = tile.getImg();
goog.dom.appendChild(fragment, img);
newTiles = true;
}
this.renderedTiles_[xyz] = tile;
img = tile.getImg();
goog.dom.appendChild(fragment, img);
newTiles = true;
} else {
img = tile.getImg();
}
img.style.top = pxTileTop + "px";
img.style.left = pxTileLeft + "px";
if (scale !== 1) {
img.style.height = (pxTileRight - pxTileLeft) + "px";
img.style.width = (pxTileBottom - pxTileTop) + "px";
if (img) {
img.style.top = pxTileTop + "px";
img.style.left = pxTileLeft + "px";
if (scale !== 1) {
img.style.height = (pxTileRight - pxTileLeft) + "px";
img.style.width = (pxTileBottom - pxTileTop) + "px";
}
}
pxTileTop = pxTileBottom;
}