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Refactor projection architecture

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This commit is contained in:
Tom Payne
2013-02-13 15:33:39 +01:00
parent 9053e1dfc8
commit 6b26cbfb38
9 changed files with 202 additions and 157 deletions
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src/ol/projection/common.js
+23
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@@ -0,0 +1,23 @@
goog.provide('ol.projection.addCommonProjections');
goog.require('ol.Projection');
goog.require('ol.projection.EPSG3857');
goog.require('ol.projection.EPSG4326');
/**
* FIXME empty description for jsdoc
*/
ol.projection.addCommonProjections = function() {
// Add transformations that don't alter coordinates to convert within set of
// projections with equal meaning.
ol.Projection.addEquivalentProjections(ol.projection.EPSG3857.PROJECTIONS);
ol.Projection.addEquivalentProjections(ol.projection.EPSG4326.PROJECTIONS);
// Add transformations to convert EPSG:4326 like coordinates to EPSG:3857 like
// coordinates and back.
ol.Projection.addEquivalentTransforms(
ol.projection.EPSG4326.PROJECTIONS,
ol.projection.EPSG3857.PROJECTIONS,
ol.projection.EPSG3857.fromEPSG4326,
ol.projection.EPSG3857.toEPSG4326);
};