Re: how to define a new geometric-object?

On Tue, 15 Aug 2006, Huazhong Wang wrote:
> i am trying to define a new geometric-object: triangle geometric object (not 
> triangle lattice). But i don't know how to define a new geomtric-object by 
> geometric-object command. i didn't find more information in the manual. who 
> could help me?
> thanks,

You can't define new primitive objects, at least not without a lot of 
hacking of C code in geom.c.

However, it is no problem to make triangles by overlapping several 
geometric objects.

Also, in 2d, a triangle is "natively" supported: it is just a cone with 
its axis in the 2d plane.

Steven