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Render older loaded tiles while waiting for new tiles

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This commit is contained in:
Thomas Moelhave
2016-09-01 19:54:06 +02:00
parent 98aba50735
commit 69fc9edb4d
6 changed files with 152 additions and 22 deletions
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4
src/ol/renderer/canvas/tilelayer.js
View File

@@ -139,8 +139,8 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame = function(
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
tile = tileSource.getTile(z, x, y, pixelRatio, projection);
if (!drawableTile(tile) && tile.interimTile) {
tile = tile.interimTile;
if (!drawableTile(tile)) {
tile = tile.getInterimTile();
}
if (drawableTile(tile)) {
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;

4
src/ol/renderer/webgl/tilelayer.js
View File

@@ -252,8 +252,8 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame = function(frameState, layerS
drawable = tileState == ol.Tile.State.LOADED ||
tileState == ol.Tile.State.EMPTY ||
tileState == ol.Tile.State.ERROR && !useInterimTilesOnError;
if (!drawable && tile.interimTile) {
tile = tile.interimTile;
if (!drawable) {
tile = tile.getInterimTile();
}
tileState = tile.getState();
if (tileState == ol.Tile.State.LOADED) {