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Render the view resolution tiles last

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This commit is contained in:
Tim Schaub
2017-09-25 08:21:08 -07:00
parent 0f53d04361
commit 79e9dc8128
1 changed files with 9 additions and 2 deletions
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src/ol/renderer/canvas/tilelayer.js
+9 -2
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@@ -5,7 +5,6 @@ goog.require('ol.LayerType');
goog.require('ol.TileRange'); goog.require('ol.TileRange');
goog.require('ol.TileState'); goog.require('ol.TileState');
goog.require('ol.ViewHint'); goog.require('ol.ViewHint');
goog.require('ol.array');
goog.require('ol.dom'); goog.require('ol.dom');
goog.require('ol.extent'); goog.require('ol.extent');
goog.require('ol.renderer.Type'); goog.require('ol.renderer.Type');
@@ -238,7 +237,15 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame = function(frameState, layer
this.renderedTiles.length = 0; this.renderedTiles.length = 0;
/** @type {Array.<number>} */ /** @type {Array.<number>} */
var zs = Object.keys(tilesToDrawByZ).map(Number); var zs = Object.keys(tilesToDrawByZ).map(Number);
zs.sort(ol.array.numberSafeCompareFunction); zs.sort(function(a, b) {
if (a === z) {
return 1;
} else if (b === z) {
return -1;
} else {
return a > b ? 1 : a < b ? -1 : 0;
}
});
var currentResolution, currentScale, currentTilePixelSize, currentZ, i, ii; var currentResolution, currentScale, currentTilePixelSize, currentZ, i, ii;
var tileExtent, tileGutter, tilesToDraw, w, h; var tileExtent, tileGutter, tilesToDraw, w, h;
for (i = 0, ii = zs.length; i < ii; ++i) { for (i = 0, ii = zs.length; i < ii; ++i) {