[Bf-funboard] Differencing Cubes
hovergo at net-tech.com.au
Mon Aug 11 03:23:55 CEST 2008
Ken Hughes wrote:
> Roger wrote:
>> For some reason verts have been added to edges around the removed space
>> creating unnecessary edges added to the object connecting these extraneous verts
>> to corner verts of the first cube.
>> It seems that blender has to make it into triangles when quads are required.
>> Why ??
>> There is no need to add verts along an edge, cut edges or make triangles.
>> Is this a bug or am I doing something wrong.
> It's a bug. The current boolean algorithm works on tris; it
> preprocesses all quads into tris, does the operation, then merges faces
> back together. The current merge algorithm suffers from a general issue
> of numerical precision. I committed a new merge algorithm to svn about
> two weeks ago that fixes this problem in most, but not all cases.
Thank you Ken
Should I download blender or the svn and compile at this end.
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