Chaos Corona Forum
Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: ranabarzam on 2020-04-12, 03:21:18
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Hi there, I was trying to create the 3d mockup of a bottle and wanted to gain somewhat similar results to the image (reference.png) but I can't get the. I have added HDRI and lighting. Lowering the light makes the scene greyish. I have tried to add multiple lights form multiple sides but the render still has unrealistic feeling. I tried the same setup with darker colors and got very good results (test.png). Can someone please guide me for what should I do. (r1.png) is the result that I am getting now.
Thanks in advance.
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Generally speaking, if you are having problems with white values, check your albedo channel. If you check the Corona Material Library, you will see that white values are typically not higher than ~240. You can use the CShading_Albedo render element to check whether your white values are clipping.
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This kind of plastic in product viz is the hardest to do. There is really a fine balance between grey and overbright white with reflections. Your hotspot is too bright and it burns out your plastic. Try to use a value of 200 for the white color. Then adjust the exposure and highlight compression until you get a nice gradient (I don't go over 1.4 of compression). If your plastic is a bit grey from the render it's not a problem as long as it has a gradient in it and it's not flat, you can correct that in photoshop easily.
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Thanks a lot for the help guys. I really appreciate it. I tried the step related albedo and used 180 value as white and got a bit better results. Thanks again for helping.