[cgma-dev] r4790 - cgm/trunk/itaps
Tim Tautges
tautges at mcs.anl.gov
Mon May 2 14:17:21 CDT 2011
I think we should assume triangles, though I also think they should be returned in the double/int lists.
- tim
On 05/02/2011 02:13 PM, Jason Kraftcheck wrote:
> On 05/02/2011 02:08 PM, Tim Tautges wrote:
>> Maybe I need to be a bit more specific in my request that Jane implement
>> functions in iGeom to get facet information. The function signature I'm
>> looking for is:
>>
>> iGeom_getFacets(iGeom_EntityHandle entity,
>> double dist_tolerance,
>> double **points, int *points_alloc, int *points_size,
>> int **facets, int *facets_alloc, int *facets_size)
>>
>> This should be a function that appears in iGeom.h, and is implemented in
>> iGeom_CGMA.cc by calling functions in CGM. I know the CGM RefFace
>> function has more options, but I don't think we should expose those
>> options in iGeom (or, at least, I don't know whether they're common
>> enough across modeling engines, maybe you can investigate that too based
>> on OCC).
>>
>
> Should the function return the facet lists like Cubit does w/ its GMem
> object, or just assume triangles? I ask because I think that, despite the
> more general representation allowed by GMem, Cubit/CGM really only does
> triangles.
>
> - jason
>
>
--
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Tim Tautges Argonne National Laboratory
(tautges at mcs.anl.gov) (telecommuting from UW-Madison)
phone: (608) 263-8485 1500 Engineering Dr.
fax: (608) 263-4499 Madison, WI 53706
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