[Bf-funboard] Differencing Cubes
Roger
hovergo at net-tech.com.au
Tue Aug 12 04:02:08 CEST 2008
Roger wrote:
> 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.
>>
>> Ken
Hi Ken
Would it be possible in the algorithm to process edges (between adjacent verts)
then it doesn't matter if its a tri or quad.
2 edges are required for a face in both.
Perhaps then it may be possible to select an number of adjacent or adjoining
edges and face them at the same time instead of just one.
Roger
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