Digital Paint Discussion Board

Development => General Development => Topic started by: jitspoe on March 20, 2008, 10:57:27 AM

Title: Rendering Bump Maps
Post by: jitspoe on March 20, 2008, 10:57:27 AM
While filter forge is pretty cool, the bump maps don't cast shadows.  This makes it very difficult to generate convincing looking rock textures and whatnot.  I figured maybe I could take the bump map generated by Filter Forge and render it in something else.  I dusted off POV-Ray - something I played with way back in the day - since I remembered it could render bump maps.  Unfortunately, it, too, failed to cast shadows.  Does anybody know of a free rendering program that will render a bump map with shadows (and look good)?
Title: Re: Rendering Bump Maps
Post by: Eiii on March 20, 2008, 07:34:51 PM
I'm %100 sure Blender could do that. Either using a normal or displacement map.
Title: Re: Rendering Bump Maps
Post by: jitspoe on March 20, 2008, 08:07:51 PM
Displacement map sounds like what I'd want, but is  blender's renderer any good?  I always thought it was more of a modeling tool than a renderer.
Title: Re: Rendering Bump Maps
Post by: Eiii on March 20, 2008, 08:17:08 PM
It's certainly good enough for generating textures. At worst, you can use Yafray.

EDIT: Everything in this gallery (http://www.blender.org/features-gallery/gallery/images/) that isn't classified under 'External Renderers' uses blender's internal.
Title: Re: Rendering Bump Maps
Post by: y00tz on March 21, 2008, 01:04:13 AM
What context do you want this for?  Are you rendering a scene, or rendering/making bump maps?

Title: Re: Rendering Bump Maps
Post by: jitspoe on March 24, 2008, 06:08:32 PM
I want to render tiled textures.
Title: Re: Rendering Bump Maps
Post by: Zorchenhimer on March 25, 2008, 12:44:14 AM
As a .jpg?  Or implement something in the game code?
Title: Re: Rendering Bump Maps
Post by: Eiii on March 25, 2008, 01:02:50 AM
It sounds like he's just trying to render a texture + bumpmap + lighting to an image. For textures.
Title: Re: Rendering Bump Maps
Post by: Zorchenhimer on March 25, 2008, 01:17:52 AM
Ok.  If you set it up correctly you could get that to work in Blender.  I'd be a pain to setup, but once it is setup you would be able to save it as a "template", if you will.