comp.lang.idl-pvwave archive: archive » Re: Problem with z-buffering using IDLgrPolygon

Home » Public Forums » archive » Re: Problem with z-buffering using IDLgrPolygon

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Problem with z-buffering using IDLgrPolygon [message #30392]

Fri, 26 April 2002 08:51

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

"Mira Michelle Raman" <ramanm@ninds.nih.gov> wrote in message
news:3CC9A3DD.A3511B3E@ninds.nih.gov...
> Hi,
> I am trying to write a program in which an IDLgrVolume and an
IDLgrPolygon are displayed such that the polygon appears to wrap around the
volume, and when the polygon is moved, the lines and
> vertices obstructed by the volume should become hidden. The problem I am
having is that the vertices that should be hidden are visible, making it
appear as if the polygon is out in front of the
> volume. The following example program illustrates my problem. (The left
mouse button drags the polygon and the right button drags volume & polygon
together). Any suggestions would be greatly
> appreciated.
> -Mira

All you have to do is specify the ZBUFFER keyword on IDLgrVolume.
Otherwise, IDLgrVolume does not modify the Z buffer.

Karl

Report message to a moderator

[Message index]

Re: Problem with z-buffering using IDLgrPolygon

By: Karl Schultz on Fri, 26 April 2002 08:51

Previous Topic:	text size with IDLgrAxis
Next Topic:	Re: using WHERE to search for multiple values

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Dec 03 00:22:17 PST 2025

Total time taken to generate the page: 0.48501 seconds