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Dirtmap Workflow


kicks
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  • 2 weeks later...

That is a great tutorial! ....I will try learn using Dirtmap.. :)

 

 

I hope you dont mind:-

 

Can you make it dirtmap tutorial turn into PDF File or something like that so that everyone can download this to keep file for future use it.....Can you???

 

If not, that is okay...

 

I can't keep internet online while I switch to 3d work and internet back and forth... :( ..

 

P.S. I would like in future all tutorial project would be in using into PDF for download....I think it would be great and make easier for us...What you think???

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B.

 

enjoy your extra time!

 

-end-

Hey! I do pretty much the same thing in LW. However I apply dirt pass as overlay not as multiply. IMO overlay works better because it only darkens image where dirt pass is dark and light areas act like transparent.

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  • 4 weeks later...

Great tutorial, but you've forgotten one thing that saw me getting lost for hours trying to work out what I was doing wrong. If you're modelling is scaled on real world units it needs to be shrunken an enormous amount before the effect of the dirtmap is of some use. Prior to the shrinking nearly everything is a completely washed out white, with maybe some darkness in corners. So if anyones looking at pure white dirtmap renders that's the reason. Does anyone know a fix for this other than destroying the scale of everything?

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  • 3 weeks later...

 

For reflections, there can be a good use of a Reflection pass, with scanline or brazil or mRay (these two are quicker) and in photoshop put that layer above with a screen blending. It looks good enough, just tweak the opacity a bit.

btw, the most used blending combinations for ambient occlusion pass layer (for me) are Multiply and Softlight, both with ~50% opacity. Overlay blending boosts too much contrast.

As I mentioned, it's not necessary, it's the best combination for me, 'cause I mostly use Scanline pass with materials and reflections and AbmOcc passes over it. Sometimes, there is a need for a radiosity or some quick GI pass, but with no regathering. It has to be tweaked a bit, cause there is no combination that can work best for all kind of scenes (in my opinion).

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  • 2 months later...

Hi All,

 

Any ideas how to apply this technique for animation (preferable without all the pswork...)?

 

I'm thinking in the direction of projecting the images on the model using a camera map of the passes e.g. but perhaps there is a more easier way???

 

rgds

 

nisus

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