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Add ol.geom.flat.linearRingssArea

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Tom Payne
2013-12-02 12:06:02 +01:00
parent e90776a099
commit ff1b039615
1 changed files with 20 additions and 0 deletions
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20
src/ol/geom/flatgeom.js
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@@ -488,6 +488,26 @@ ol.geom.flat.linearRingsGetInteriorPoint =
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {Array.<Array.<number>>} endss Endss.
* @param {number} stride Stride.
* @return {number} Area.
*/
ol.geom.flat.linearRingssArea =
function(flatCoordinates, offset, endss, stride) {
var area = 0;
var i, ii;
for (i = 0, ii = endss.length; i < ii; ++i) {
var ends = endss[i];
area += ol.geom.flat.linearRingsArea(flatCoordinates, offset, ends, stride);
offset = ends[ends.length - 1];
}
return area;
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.