This is my first post so Hello blender heads, I have been playing with blender for about a month now and I love it so now you guys have a user in south africa am I the only one.
Ok down to business I am busy with "the essential blender" im doing the mesh tutorial in chapter 4 modeling the pillar I follow the instructions on switching on the Ambient Occlusion and when I render the model comes out with black spots on it
any help will be appreciated
rendering issue
Moderators: jesterKing, stiv
Re: rendering issue
what you mean with "black spots"? if they are "small black dots" they are probably a result of AO low sampling: see this page:danny3dhorror wrote: switching on the Ambient Occlusion and when I render the model comes out with black spots on it
http://wiki.blender.org/index.php/Manua ... _Occlusion
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I realize that this is an old thread, but it was the best one that describes what I'm getting for output. I'm a blender newbie (as well as a newbie to this forum) and am following the Essential Blender tutorials. Specifically, I am now at the one with pillars supporting a roadway: http://wiki.blender.org/index.php/Doc:2 ... :_Hands_on
The final render for the pillar in this example looks nice and solid, shiny, almost plastic-like, as seen here: http://wiki.blender.org/index.php/File:MMT2.40.png
I followed all of the render instructions, starting with the default world settings, then going to World, enabling Ambient Occlusion, and bumping the samples up to 7, but my render looks nowhere near as clean:
http://netninja.com/junk/pillar.png
As you can see, mine is a lot more grainy and even shows different kinds of graininess along the top triangle faces (which should all lay on the same plane and really shouldn't look that different).
Did I miss something? Are the document defaults different now from what they were when the tutorial was written? Any help would be appreciated.
The final render for the pillar in this example looks nice and solid, shiny, almost plastic-like, as seen here: http://wiki.blender.org/index.php/File:MMT2.40.png
I followed all of the render instructions, starting with the default world settings, then going to World, enabling Ambient Occlusion, and bumping the samples up to 7, but my render looks nowhere near as clean:
http://netninja.com/junk/pillar.png
As you can see, mine is a lot more grainy and even shows different kinds of graininess along the top triangle faces (which should all lay on the same plane and really shouldn't look that different).
Did I miss something? Are the document defaults different now from what they were when the tutorial was written? Any help would be appreciated.
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I think I may have just answered my own question (and danny3dhorror's original question) through trial and error.
I had to go into the Scene Render settings (F10) and uncheck "Shad" ("Enables shadow calculation"). This removed the graininess in the render and gave me something that looks a LOT closer to the image in the wiki-book. It looks like this setting doesn't play well with Ambient Occlusion?
I had to go into the Scene Render settings (F10) and uncheck "Shad" ("Enables shadow calculation"). This removed the graininess in the render and gave me something that looks a LOT closer to the image in the wiki-book. It looks like this setting doesn't play well with Ambient Occlusion?
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I think I'm having the same problem, could you explain to me where the "Shad" checkbox is? I tried pressing f10 and nothing happened.BrianEnigma wrote:I think I may have just answered my own question (and danny3dhorror's original question) through trial and error.
I had to go into the Scene Render settings (F10) and uncheck "Shad" ("Enables shadow calculation"). This removed the graininess in the render and gave me something that looks a LOT closer to the image in the wiki-book. It looks like this setting doesn't play well with Ambient Occlusion?