What kind of spec/reflection values are you using on the shader?
On Fri, Oct 26, 2012 at 11:58 AM, Eric Lampi <[email protected]> wrote: > OK, I was afraid it was something like that. Well, thanks for the tips > everyone, I was hoping it could be done in comp. > > I don't have very hot values on my lights, reflection cards or > environment, but I'll have a look at the advanced shader, seems like the > clipping option is what I need. > > Eric > > > On Fri, Oct 26, 2012 at 2:17 PM, Ed Manning <[email protected]> wrote: > >> Are you lighting with ibl or do you have an HDR environment for FG >> lighting? >> >> If you have small ultrabright light "sources" in the HDR, they are very >> hard to sample accurately and your higlights may get 'fireflies." >> >> Some things to try: >> >> - make the illuminating HDR very low resolution, and use the >> Env_blur node to smooth it out. >> - use a color_basic node as a clipper on the HDR -- set the operation >> to "minimum," plug the HDR into one input, then set the other input color >> to the highest value you you can. If you have serious problems, that may >> be R,G,B=1, but that would make your HDRI no longer HDR. 2 or 4 would at >> least represent 1 or 2 stops over white. >> - do the same thing with the surface shader that's giving you >> trouble, or use Felix Geremus's mia_architectural_advanced shader which >> include a clipping option. >> >> ed >> >> >> On Fri, Oct 26, 2012 at 1:11 PM, Eric Lampi <[email protected]> wrote: >> >>> Having some issue with EXRs, specifically pixelated highlights. >>> Initially I thought it was an anti-aliasing issue, but the same frame >>> rendered result as a Softimage pic doesn't have that problem. >>> >>> Can someone tell me how to deal with this in either After Effects or the >>> FXtree? >>> >>> Thanks, >>> >>> Eric >>> >>> -- >>> Freelance 3D and VFX animator >>> >>> http://vimeopro.com/user7979713/3d-work >>> >>> >> > > > -- > Freelance 3D and VFX animator > > http://vimeopro.com/user7979713/3d-work > > -- Gene Crucean - Emmy winning - Oscar nominated VFX Supervisor / iOS-OSX Developer / Filmmaker / Photographer ** *Freelance for hire* ** www.genecrucean.com ~~ Please use my website's contact form on www.genecrucean.com for any personal emails. Thanks. I may not get them at this address. ~~
