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Merge pull request #348 from bartvde/getcentroid

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getCentroid should just return the first point if a linear ring only has less than three components (r=@tschaub)
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Bart van den Eijnden
2012-03-23 04:41:12 -07:00
parent 965e269cfd 955c83baa9
commit 0dce0b9a5b
2 changed files with 33 additions and 14 deletions
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14
tests/Geometry/Polygon.html
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@@ -385,6 +385,20 @@
t.ok(geodesicErr < planarErr, "geodesic measure is better (" + geodesicErr.toFixed(3) + " vs. " + planarErr.toFixed(3) + ")");
}
function testGetCentroid(t) {
t.plan(4);
var bounds = new OpenLayers.Bounds(5, 10, 5, 10);
var geometry = bounds.toGeometry();
var centroid = geometry.getCentroid();
t.eq(geometry.components[0].components.length, 2, "only two vertices since the box has left=right and bottom=top");
t.ok(centroid && centroid.x === 5 && centroid.y === 10, "getCentroid returns a point geometry even if the ring of the polygon has only 2 vertices");
bounds = new OpenLayers.Bounds(0, 0, 10, 10);
geometry = bounds.toGeometry();
centroid = geometry.getCentroid();
t.eq(geometry.components[0].components.length, 5, "five vertices expected");
t.ok(centroid && centroid.x === 5 && centroid.y === 5, "getCentroid returns the correct point geometry");
}
</script>