Mercurial > gemma
diff pkg/octree/vertex.go @ 2512:2768f74d54ab octree-diff
Added an STRTree for the triangulation. Should be better suited for filtering out the clipped triangles.
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 05 Mar 2019 13:05:50 +0100 |
| parents | a727e0426240 |
| children | 45d51a49f191 |
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--- a/pkg/octree/vertex.go Mon Mar 04 18:16:13 2019 +0100 +++ b/pkg/octree/vertex.go Tue Mar 05 13:05:50 2019 +0100 @@ -723,6 +723,15 @@ return a.Y2 } +func (a Box2D) Union(b Box2D) Box2D { + return Box2D{ + X1: math.Min(a.X1, b.X1), + Y1: math.Min(a.Y1, b.Y1), + X2: math.Max(a.X2, b.X2), + Y2: math.Max(a.Y2, b.Y2), + } +} + // NewPlane2D creates a new Plane2D from two given points. func NewPlane2D(x1, y1, x2, y2 float64) Plane2D { b := x2 - x1