Wasn't it Jim Charter who wrote:
>Using the iso_csg.inc  I was experimenting with the following.
>Basically I wanted to substitute iso_csg triangles for mesh elements
>which in this case I am getting from arrays ( Verts Faces ). I was 
>getting what appeared to be memory errors.  That lead to the following 
>script which is an attempt to bite off and process subsets of the mesh 
>elements.  The error I am getting is on the attempt to load the array, 
>IsoMeshArray, on the second pass.  The message is that I cannot redefine 
>a function definition; that I must #undef it first.  But the #undef 
>instructions are being exercised.  If, after you get done laughing, 
>anyone could point to the problem, it would be very much appreciated.
>Thanks, Jim

That chunk of code ran without error (once I'd added a wodge of
#declares and #includes of stuff that it expected to find). I guess your
error might not be in this code. Perhaps some other part of your scene
outside this code fragment is inadvertently redeclaring IsoMeshArray.

Perhaps you could post a small complete scene that exhibits the problem,
rather than a code fragment that doesn't run stand-alone.

-- 
Mike Williams
Gentleman of Leisure

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