Clipping polygons the Sutherland-Hodgman algorithm
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- Claude Stevenson
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1
2 Clipping polygons would seem to be quite complex.
3 Clipping polygons would seem to be quite complex. single
4 Clipping polygons would seem to be quite complex. single
5 Clipping polygons would seem to be quite complex. single
6 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed,
7 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list
8 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output
9 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output to ) (edge is clipped
10 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output to ) Case 3 no vertex added (edge is clipped
11 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output (edge is clipped to ) Case 3 no vertex added (segment clipped out)
12 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output (edge is clipped to ) Case 3 no vertex added (segment clipped out) Case 4 vertices and are added to the output
13 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output (edge is clipped to ) Case 3 no vertex added (segment clipped out) Case 4 vertices and are added to the output (edge is clipped to )
14 Clipping polygons would seem to be quite complex. single ssuming vertex has already been processed, vertex is added to the output list Case 2 vertex is added to the output (edge is clipped to ) Case 3 no vertex added (segment clipped out) Case 4 vertices and are added to the output (edge is clipped to ) 1
15 Typically, this is coded recursively the recursive implementation lends itself to efficient hardware implementation.
16 Typically, this is coded recursively the recursive implementation lends itself to efficient hardware implementation. This algorithm is actually quite general the clip region can be any convex polygon in 2D, or any convex polyhedron in 3D.
17 Typically, this is coded recursively the recursive implementation lends itself to efficient hardware implementation. This algorithm is actually quite general the clip region can be any convex polygon in 2D, or any convex polyhedron in 3D. 2
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