4RIDERS Posted February 27, 2015 Share Posted February 27, 2015 Hello world, can anyoane help me figure out why do i get the stains on the wall after i render ? Quote Link to comment Share on other sites More sharing options...
Cad64 Posted February 27, 2015 Share Posted February 27, 2015 Do you have global illumination enabled? What render settings are you using? Do you have the quality set to High or Presentation? Low settings will produce renders like this. Quote Link to comment Share on other sites More sharing options...
tzframpton Posted February 28, 2015 Share Posted February 28, 2015 Definitely low quality render. Need to bump it up to High or Presentation, and maybe even add more to the photon count. Quote Link to comment Share on other sites More sharing options...
4RIDERS Posted February 28, 2015 Author Share Posted February 28, 2015 yes, i had the global ilumination on and the settings are medium. Quote Link to comment Share on other sites More sharing options...
Cad64 Posted February 28, 2015 Share Posted February 28, 2015 Trying using High or Presentation. And as Tannar mentioned, try bumping up the photon count and sampling radius: http://knowledge.autodesk.com/support/autocad/learn-explore/caas/CloudHelp/cloudhelp/2015/ENU/AutoCAD-Core/files/GUID-6CD14B72-C6F6-4CD4-BCD1-47C2D0E1EF39-htm.html Also, you might want to check out some tutorials: https://www.google.com/?gws_rd=ssl#q=autocad+rendering+tutorial Quote Link to comment Share on other sites More sharing options...
4RIDERS Posted March 6, 2015 Author Share Posted March 6, 2015 I still got this staines on walls. This are the settings that i used. Quote Link to comment Share on other sites More sharing options...
Cad64 Posted March 6, 2015 Share Posted March 6, 2015 It's difficult to read the settings on that little screenshot, but here goes: Your sampling is way out of whack. Change Min Samples to 4 and Max Samples to 16. Change your Ray Tracing Max depth, relections & refractions to 9. Change your Photons/Sample to 1000. Change Final Gather Rays to 1000. If those settings don't solve the problem, try increasing photons and rays or upload the file here, or put it on Dropbox, and I will take a look at it. Just make sure to use Etransmit to zip up all your files. Quote Link to comment Share on other sites More sharing options...
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