POV-Ray : Newsgroups : povray.general : New way of specifying transparence? : Re: New way of specifying transparence? Server Time
11 Aug 2024 19:33:02 EDT (-0400)
  Re: New way of specifying transparence?  
From: Andrew Cocker
Date: 14 Jul 1999 13:09:51
Message: <378cc45f@news.povray.org>
Nathan Kopp <Nat### [at] Koppcom> wrote :

> On the other hand, some post processing effects like lens flare and faked
> focal blur need detailed information about the scene and could probably
> best be done as part of the renderer.  Most modern renderers (like
> Softimage, Maya, and 3DS) support a variety of post-processing effects.

Precisely Nathan, I can think of many creative uses for post-processing
'type' effects that rely on 'knowing' where an object is within a scene,
such as lens-flares that fade realistically as they becomes partially
obscured by another object, or how about having effects that vary in
intensity depending on their objects position ( so an object begins to glow
as it nears another ), or just having the option of applying an effect to a
single object within a scene which may itself be partially obscured,
something that would be awkward to achieve with an additional program on
just a still, never mind a whole animation. And I can't believe that it
would be difficult to implement such a set of options ( although I'm not a
programmer, so I could be quite wrong ).

Robert Dawson wrote:

>     Well, not to flame, but - if you want post-processing effects, get/use
a
> post-processing program!  Anything with color-based masking and layers
will
> give you far, far better bleeds than hanging a bag on the side of POV-Ray
> will ever do

Well, I'm not talking about 'hanging a bag on the side' of POV, I'm talking
about integrating post-processing 'type' effects ( possibly as additional
texture options ) in a way that would offer far more flexibility than
traditional post-processing would ( I speak as a hobbyist, not a
professional graphic artist ) - see Nathan's comments above.


>     You know you've been raytracing too long when - you want your entire
OS
> and all your apps to be part of your raytracer <grin>.

I don't want to have to control every aspect of an image myself...I prefer
to be surprised by the outcome. I want to use just the one program, a
program that offers me an outstanding range of creative options. I want that
program to be POV.


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