pwharton Posted March 22, 2008 Share Posted March 22, 2008 This rendering is of a car I downloaded and imported from sketchup and added the A&D car paint materials on it to play with. The model has it problems but the strange thing is when I render it from the front I get the black triangles around the door. Same model from the side view and they disappear. Does anybody know what that is about? Link to comment Share on other sites More sharing options...
Claudio Branch Posted March 24, 2008 Share Posted March 24, 2008 The model has it problems but the strange thing is when I render it from the front I get the black triangles around the door. Same model from the side view and they disappear. Does anybody know what that is about? Did you check these surfaces for duplicate faces? Link to comment Share on other sites More sharing options...
SandmanNinja Posted March 24, 2008 Share Posted March 24, 2008 I agree with Claudio - that's usually a sign of bad geometry. i.e. flipped normals or co-planar faces (2 faces in the same space). Go to Poly/Face select mode and select the offending tri's and delete them. See if the weirdness goes away. Link to comment Share on other sites More sharing options...
pwharton Posted March 25, 2008 Author Share Posted March 25, 2008 I tried erasing them and that just left holes, I then tried flipping the normals and it still renders strange. Maybe I am doing something wrong? Also what’s with the big gap at the front of the door? on the model it looks flush with the surrounding mesh. Link to comment Share on other sites More sharing options...
pwharton Posted March 25, 2008 Author Share Posted March 25, 2008 Forgot to add the screen grab.... Link to comment Share on other sites More sharing options...
rogue3d Posted March 25, 2008 Share Posted March 25, 2008 This rendering is of a car I downloaded and imported from sketchup and added the A&D car paint materials on it to play with. The model has it problems but the strange thing is when I render it from the front I get the black triangles around the door. Same model from the side view and they disappear. Does anybody know what that is about? IMHO, importing from sketchup into viz/max has always been a game of roulette......never comes in clean only by freak chance. the normals may need to be flipped and then smoothed. so play with your smoothing groups. also welding of verts. that black area may be multiple verts on top of each other that need to be welded then smoothed. In the end I've always found it easier to build from scratch in viz because until I fix/correct all the problems from importing I could have just built it cleaner to begin with. Link to comment Share on other sites More sharing options...
Claudio Branch Posted March 25, 2008 Share Posted March 25, 2008 I tried erasing them and that just left holes, I then tried flipping the normals and it still renders strange. Maybe I am doing something wrong? Also what’s with the big gap at the front of the door? on the model it looks flush with the surrounding mesh. At this point, you probably should just delete the offensive geometry and manually remodel that area... Link to comment Share on other sites More sharing options...
pwharton Posted March 26, 2008 Author Share Posted March 26, 2008 I was hoping not to, but its looks like that is what I am going to have to do. Thanks for all you help with this one. Link to comment Share on other sites More sharing options...
RAYMOND Posted April 3, 2008 Share Posted April 3, 2008 is your mapping 2 sided. r Link to comment Share on other sites More sharing options...
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