shadow through transparency map
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hello everyone.
I have an issue here. one that i am sure someone from the friendliest and most helpful community on the net can help with. this is just a representation of what is going on. i am casting ray trace shadows (MR) on a object with mapped transparency. as you can see, even the transparent parts are casting slight shadow... i have alpha as luminance checked... i cannot seem to resolve this. does anyone here know how to fix this. i was able to change the light radius to distort this effect but i want harder shadows ... how can i get around this? thank you in advance. |
From what I can see here, it may be your cone angle on your light, or it could be that the transparency on your texture is not pure black and pure white.
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If you're using an mia_mat then you could just drop the transparency texture into the cutout opacity slot in the advanced section, if you are using another shader then you can create an mib_shadow shader and plug that into the shadow shader slot of the material's shading group, then plug your transparency texture into "Transp" slot of the shadow shader.
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WOW!!!! gecT... spot on...
thanks alot |
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