ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Transform the layer extent when a user projection is set

Browse Source
This commit is contained in:
Tim Schaub
2019-09-23 15:31:41 +02:00
parent 6525906a70
commit 54d3af40dd
9 changed files with 127 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ol/renderer/canvas/VectorLayer.js
+9 -5
View File
@@ -3,7 +3,8 @@
*/
import {getUid} from '../../util.js';
import ViewHint from '../../ViewHint.js';
import {buffer, createEmpty, containsExtent, getWidth} from '../../extent.js';
import {buffer, createEmpty, containsExtent, getWidth, intersects as intersectsExtent} from '../../extent.js';
import {fromUserExtent} from '../../proj.js';
import CanvasBuilderGroup from '../../render/canvas/BuilderGroup.js';
import ExecutorGroup, {replayDeclutter} from '../../render/canvas/ExecutorGroup.js';
import CanvasLayerRenderer from './Layer.js';
@@ -129,10 +130,13 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
const vectorSource = this.getLayer().getSource();
// clipped rendering if layer extent is set
const clipExtent = layerState.extent;
const clipped = clipExtent !== undefined;
if (clipped) {
this.clip(context, frameState, clipExtent);
let clipped = false;
if (layerState.extent) {
const layerExtent = fromUserExtent(layerState.extent, projection);
clipped = !containsExtent(layerExtent, frameState.extent) && intersectsExtent(layerExtent, frameState.extent);
if (clipped) {
this.clip(context, frameState, layerExtent);
}
}