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Merge pull request #6928 from ahocevar/reproj-resolution

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Only adjust resolution when center within projection extent
This commit is contained in:
Andreas Hocevar
2017-06-14 16:31:00 +02:00
committed by GitHub
parent 0045bed6e7 0d0ed6c130
commit c46bc1f02a
1 changed files with 8 additions and 6 deletions
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14
src/ol/reproj.js
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@@ -40,12 +40,14 @@ ol.reproj.calculateSourceResolution = function(sourceProj, targetProj,
// coordinates may be slightly different. We need to reverse-compensate this
// in order to achieve optimal results.
var compensationFactor =
ol.proj.getPointResolution(sourceProj, sourceResolution, sourceCenter) /
sourceResolution;
if (isFinite(compensationFactor) && compensationFactor > 0) {
sourceResolution /= compensationFactor;
var sourceExtent = sourceProj.getExtent();
if (!sourceExtent || ol.extent.containsCoordinate(sourceExtent, sourceCenter)) {
var compensationFactor =
ol.proj.getPointResolution(sourceProj, sourceResolution, sourceCenter) /
sourceResolution;
if (isFinite(compensationFactor) && compensationFactor > 0) {
sourceResolution /= compensationFactor;
}
}
return sourceResolution;