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Poser F.A.Q (Updated: 2016 Nov 29 4:50 pm)


 Subject: no shadow under hat

frackzdraf opened this issue on Oct 09, 2007 · 6 posts

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  frackzdraf    ( ) ( posted at 8:57AM Tue, 09 October 2007 


hello, i need a bit of help please. 
my problem is that there's no shadow under my hats , exactly between the edge and the top of my hats. i don't understand why, because meshes are good , all my hat is welded.

thank you very much if you can help


  frackzdraf    ( ) ( posted at 8:58AM Tue, 09 October 2007  · @3088309


hat alone


  bagginsbill    ( ) ( posted at 9:04AM Tue, 09 October 2007  · @3088316

Try decreasing the "Shadow Min Bias" value on your light properties. The default is .8 inches which means it ignores things less than .8 inches from the thing causing the shadow. This is also why we get nostril glow on figures.

.02 is a much better value for Depth Mapped Shadows.


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  bagginsbill    ( ) ( posted at 9:06AM Tue, 09 October 2007  · @3088318

Also the quality of the shadow seems low. What is your Shadow Map Size? The default is fast but way too low. Try 1024 or 2048.


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  pjz99    ( ) ( posted at 10:22AM Tue, 09 October 2007  · @3088359

The little bright line at the edge of where the hat touches the mesh is a problem of using depth mapped shadows called a "light gap".  You can minimize it as Bill suggests by lowering the shadow bias and increasing shadow map resolution, maybe even to the point where you won't notice it any more, but it's fundamental to depthmapped shadows and it's just something you have to take into account when composing a scene and rendering.

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  frackzdraf    ( ) ( posted at 11:57PM Tue, 09 October 2007  · @3088849

thank you very much bagginsbill and pjz99 , it resolves all . goodbye :)


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