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Clear context when source revision changed

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This is to avoid rendering artifacts when making a layer invisible,
changing its source's PARAMS, and making the layer visible again.
This commit is contained in:
Éric Lemoine
2019-04-11 10:36:15 +02:00
parent cb63b398d3
commit 60a9abbf8f
1 changed files with 2 additions and 1 deletions
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src/ol/renderer/canvas/TileLayer.js
+2 -1
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@@ -234,7 +234,8 @@ class CanvasTileLayerRenderer extends IntermediateCanvasRenderer {
canvas.width = width; canvas.width = width;
canvas.height = height; canvas.height = height;
} else { } else {
if (this.renderedExtent_ && !equals(imageExtent, this.renderedExtent_)) { if ((this.renderedExtent_ && !equals(imageExtent, this.renderedExtent_)) ||
this.renderedRevision != sourceRevision) {
context.clearRect(0, 0, width, height); context.clearRect(0, 0, width, height);
} }
oversampling = this.oversampling_; oversampling = this.oversampling_;