Hmmm... I'll put this into our bug system and hopefully find chances to fix it either myself or by others. Sorry for the inconvenience. Jane On Fri, Jan 17, 2014 at 5:57 AM, David Thompson <[email protected]>wrote:

Hi Jane,

...

... Other than sending facet group separately to make individual surfaces, I understand it's the most accurate approach, can you try to give an feature_angle and set split_surfaces=true to see if, first of all, it gives 4 surfaces?

I tried using feature_angle+split_surfaces but always get a single surface back.

Thanks, David

...

On Wed, Jan 15, 2014 at 2:47 PM, David Thompson < [email protected]> wrote: Hi Jane,

...

I debugged your program today, it seems that the code does have some bug when trying to create individual surface and body through individual build_facet_surface() calls, here you are trying to create 4 surfaces and 4 bodies.

I do need 4 surfaces, but just 1 body. I thought that by calling make_facet_shell() with all 4 of the surfaces returned by build_faceted_surface() that the surfaces might be stitched (or at least included in the same shell and thus body). Is that wrong?

...

However, I am not familiar with the code enough to make any changes.

Thanks for taking a look at it; it's good to know it's not all my fault. :-)

...

I did checked that if you pass in all the facets, with empty point list, it can create a single FacetBody and you can export it.

I attached the changed code for you, don't know if it's sufficient for your purpose.

The problem is that the faceted model I am trying to import has multiple model-faces (each with multiple triangles) on the same shell, which I would like to model with CGM. Among other things, I need to attach attributes (ToolData) to portions of a shell, not an entire shell at a time. Is there another way to do that?

Thanks, David

-- Jane Hu

Asst. Researcher Dept. of Engineering Physics UW @ Madison

"And we know that for those who love God, that is, for those who are called according to his purpose, all things are working together for good." (Romans 8:28)

-- Jane Hu Asst. Researcher Dept. of Engineering Physics UW @ Madison "And we know that for those who love God, that is, for those who are called according to his purpose, all things are working together for good." (Romans 8:28)