Forgot to mention you may need to adjust image clipping to 'none' in your 
render preferences.  Possibly another setting or two, but start there.


Matt





From: [email protected] 
[mailto:[email protected]] On Behalf Of Ponthieux, Joseph 
G. (LARC-E1A)[LITES]
Sent: Monday, November 18, 2013 6:39 PM
To: [email protected]
Subject: RE: xray polygons?


The area to be masked is not the entire object, but a single polygon on that 
object. And the polygon itself has to be  a keyhole through any other polygons 
behind it on the source object, as well as any geometry behind the object which 
the poly belongs to. While a matte would be a good analog if I were compositing 
multiple objects together, the primary need is to mask parts of the object 
which the poly belongs to. Will try the surface port disconnect.



Thanks



Joey





________________________________
From: 
[email protected]<mailto:[email protected]>
 [[email protected]] on behalf of Matt Lind 
[[email protected]]
Sent: Monday, November 18, 2013 5:56 PM
To: [email protected]<mailto:[email protected]>
Subject: RE: xray polygons?
Isn't that what a matte is for in a compositor?

An easy way to do that in Softimage is to unplug the 'surface' port of the 
material on the polygon.  Mental ray will render the affected pixels as RGBA = 
(0,0,0,0).


Matt




From: 
[email protected]<mailto:[email protected]>
 [mailto:[email protected]] On Behalf Of Ponthieux, 
Joseph G. (LARC-E1A)[LITES]
Sent: Monday, November 18, 2013 2:54 PM
To: [email protected]<mailto:[email protected]>
Subject: xray polygons?

Soooo......

Can Soft create xray polygons? A material maybe? The idea is that I want to 
have a polygon render invisible but everything behind it render invisible(with 
no alpha) as well. Basically a mask  poly. Maya had the ability to do this but 
can't remember what it was called. In other applications it was xray, allowed 
you to see through things. Can soft do this?

--
Joey Ponthieux
LaRC Information Technology Enhanced Services (LITES)
Mymic Technical Services
NASA Langley Research Center
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