shadow under glass
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Hi everybody,
I have this first image that looks pretty good to me, but then when I add the table, I get an ugly shadow just under the glass cover. How can I fix it? Any ideas are welcomed! |
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sorry, this is the second picture:
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i'm not sure . nice model and pic though. wat is it do u want?? no reflection?? or it to look diff?
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Hey, thanks for answering!
I just want to avoid the black ugly shadow under the glass cover, or at least make it look more realistic. I don't know, maybe it's the raytracing that's causing the problem. Yesterday I tried unchecking "cast shadows" from the cover shape node and the effect improved a little, but, it's not realistic either, for any object should cast a shadow, shouldn't it? |
weird shadow. It could be from the rock. What are your light settings and which shadow type are you using.
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I'm using 1 directional light (towards the left side) with "emit specular" unchecked and 1.0 for intensity; 8 spotlights (as in Maya 6 KillerTips: Poor's Man Global Illumination, page 99) with 0.4 for intensity and "emit specular" unchecked. I'm not using, of course, default lights.
Also I'm using raytrace shadows for the directional light and depth map shadows with 1024 for reslolution for the spotlights. I don't know, I find raytracing and illumination hard to handle as there are too many parameters to consider, then you have to be smart enough to simulate reality, faking some effects or finding tricks. |
Without going into it to deep, I would imagine that depth shadows are causing your problem. Depth shadows don't work to well with transparent materials.
try a ray tracing shadow. If you need softer shadows set the light angle to 3 or more and shadows rays to 20 or more. Let me know if this works. |
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Well, thanks!. It worked, but now I have multiple shadows around the table! and the rock texture is not as acurate as in the first picture. So, the question is: when do you use raytrace shadows and when do you use depth map shadows?
Bye |
it looks like you have shadows turned on for all the lights. Maybe turn off all the spotlight shadows and than create a directional light and turn ray traced shadows for that
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Thanks again. This time it worked perfectly!
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