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Allow different source and view projection in image layer renderers

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To enable image layer reprojection.
This commit is contained in:
Petr Sloup
2015-06-11 16:28:19 +02:00
parent be0a0de759
commit ed1e49045a
4 changed files with 24 additions and 17 deletions
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12
src/ol/renderer/dom/domimagelayerrenderer.js
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@@ -101,11 +101,13 @@ ol.renderer.dom.ImageLayer.prototype.prepareFrame =
if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING] &&
!ol.extent.isEmpty(renderedExtent)) {
var projection = viewState.projection;
var sourceProjection = imageSource.getProjection();
if (sourceProjection) {
goog.asserts.assert(ol.proj.equivalent(projection, sourceProjection),
'projection and sourceProjection are equivalent');
projection = sourceProjection;
if (!ol.ENABLE_RASTER_REPROJECTION) {
var sourceProjection = imageSource.getProjection();
if (sourceProjection) {
goog.asserts.assert(ol.proj.equivalent(projection, sourceProjection),
'projection and sourceProjection are equivalent');
projection = sourceProjection;
}
}
var image_ = imageSource.getImage(renderedExtent, viewResolution,
frameState.pixelRatio, projection);