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Geom2 package working with new extent structure

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This commit is contained in:
Tim Schaub
2013-09-03 17:52:18 -06:00
parent e6b395e2ee
commit 3faa035de3
4 changed files with 16 additions and 17 deletions
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19
src/ol/geom2/geom2.js
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@@ -2,6 +2,7 @@ goog.provide('ol.geom2');
goog.require('goog.asserts');
goog.require('ol.Extent');
goog.require('ol.extent');
/**
@@ -10,21 +11,19 @@ goog.require('ol.Extent');
* @return {ol.Extent} Extent.
*/
ol.geom2.getExtent = function(buf, dim) {
var extent = new Array(2 * dim);
var extentIndex = 0;
var i;
for (i = 0; i < dim; ++i) {
extent[extentIndex++] = Infinity;
extent[extentIndex++] = -Infinity;
var extent = ol.extent.createEmpty(); // TODO: make this accept a dimension
for (var i = 0; i < dim; ++i) {
extent[0][i] = Infinity;
extent[1][i] = -Infinity;
}
var bufArr = buf.getArray();
buf.forEachRange(function(start, stop) {
var extentIndex, i, j;
var i, j, value;
for (i = start; i < stop; i += dim) {
extentIndex = 0;
for (j = 0; j < dim; ++j) {
extent[extentIndex++] = Math.min(extent[2 * j], bufArr[i + j]);
extent[extentIndex++] = Math.max(extent[2 * j + 1], bufArr[i + j]);
value = bufArr[i + j];
extent[0][j] = Math.min(extent[0][j], value);
extent[1][j] = Math.max(extent[1][j], value);
}
}
});