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Also consider lower resolution tiles as used tiles

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ahocevar
2019-01-21 22:34:01 +01:00
parent 2078b5d355
commit a5d93117ed
4 changed files with 8 additions and 17 deletions
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18
src/ol/renderer/Layer.js
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@@ -192,26 +192,18 @@ class LayerRenderer extends Observable {
}
/**
* @param {!Object<string, !Object<string, import("../TileRange.js").default>>} usedTiles Used tiles.
* @param {!Object<string, !Object<string, boolean>>} usedTiles Used tiles.
* @param {import("../source/Tile.js").default} tileSource Tile source.
* @param {number} z Z.
* @param {import("../TileRange.js").default} tileRange Tile range.
* @param {import('../Tile.js').default} tile Tile.
* @protected
*/
updateUsedTiles(usedTiles, tileSource, z, tileRange) {
updateUsedTiles(usedTiles, tileSource, tile) {
// FIXME should we use tilesToDrawByZ instead?
const tileSourceKey = getUid(tileSource);
const zKey = z.toString();
if (tileSourceKey in usedTiles) {
if (zKey in usedTiles[tileSourceKey]) {
usedTiles[tileSourceKey][zKey].extend(tileRange);
} else {
usedTiles[tileSourceKey][zKey] = tileRange;
}
} else {
if (!(tileSourceKey in usedTiles)) {
usedTiles[tileSourceKey] = {};
usedTiles[tileSourceKey][zKey] = tileRange;
}
usedTiles[tileSourceKey][tile.getKey()] = true;
}
/**