On Wed, 07 Aug 2002 20:19:08 -0500, Christopher James Huff
<chr### [at] maccom> wrote:

>I said a box and I meant the built-in "box" primitive.

Yes, first thing I tried.

>I just tried it and it works fine. Under what conditions doesn't it 
>work? 

When viewed from certain angles? Maybe when the look_at point is
inside the thing? I'll have to test this more comprehensively but I'm
currently using the computer for other things (yeah, real life :( )

>Are you making sure the box sides are "inside" the height field? 

Of course, although I tried it the other way around as well since it
shouldn't matter.

>The artifacts you describe sound like coincident surface problem, or the 
>box surface being coincident with the height field in/out boundary. 
>Either use a slightly smaller box or slightly larger height field.

The HF is scaled 1.1, should be more than enough.

>I really wish you could just put "open false" in the height field 
>block...maybe I'll code that up as a patch someday. It should really 
>default to on, but having it off by default would preserve backwards 
>compatibility.

Yes, I've wished for that as well. Kudos if you get it working.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

Post a reply to this message