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Transparency issue when rendering, please help
show user profile  gen_jack
hi guys im new to this forum so not sure if anyone has had this problem before or not, but basically when i render a scene i get random transparent patches in certain parts of objects e.g. Photobucket

also in my viewport the objects are constantly flickering with black patches e.g.
Photobucket

, would greatly appreciate any help or knowledge people have on the issue
read 382 times
9/4/2012 10:40:54 AM (last edit: 9/4/2012 10:41:54 AM)
show user profile  herfst1
Could be a material issue. Add a standard material to everything (ctrl+a, then drag the material onto an object).

If there's still the same error maybe those objects have flipped normals. Select the faces that are semi-transparent and press "flip."

If there's still an error maybe it's something to do with mapping. Select a face that has the error and, in your modifier's tab, select "uv mapping." It will automatically planar map the face. Try rendering again and see if that helps.

Else, I'm out of ideas.
read 370 times
9/4/2012 11:58:25 AM (last edit: 9/4/2012 11:58:25 AM)
show user profile  gen_jack
tryed all three techniques and none worked :( but i definately know its not a material issue because ive changed it multiple times and nothing happens, i think it might have something to do with me using boolean a lot if that helps give you any clues, because i noticed a lot of the faces of polys are kinda screwed up from boolean in terms of their segments, but im really not sure, thank you for those suggestions tho
read 365 times
9/4/2012 12:13:18 PM (last edit: 9/4/2012 12:13:18 PM)
show user profile  herfst1
No problem, sorry those suggestions didn't work.

Yeah, you should try not use boolean if you don't have to, it creates extremely messy topology. My suggestion is delete all the transparent objects and create them again using standard modelling techniques (extrude, bridge, cut). It shouldn't take more than a couple of minutes.
read 363 times
9/4/2012 12:21:41 PM (last edit: 9/4/2012 12:21:41 PM)
show user profile  gen_jack
yeh I've got no idea what it could be, i tried creating the objects again from just basic shapes and the patches just randomly move to other objects in the scene :(
read 344 times
9/5/2012 5:52:52 AM (last edit: 9/5/2012 5:52:52 AM)
show user profile  Endycool
What you see on your viewport sometimes is produced when you have two or more object intersecting EXACTLY in the same places. For example is you create a boolean object and then you don't delete the operands. And yes, whenever you can, avoid boolean!!!
No clue about the transparency issue...
read 341 times
9/5/2012 6:15:31 AM (last edit: 9/5/2012 6:15:31 AM)
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