angels_arrows Posted July 2, 2010 Share Posted July 2, 2010 hi everyone ! I have been trying to make an underwater sequence. I have generated a caustic map through the Spot Light, using projection under spot light options. I want to render out the caustics into its separate render pass so i can comp it over and tweak it. I do not know what approach to take to render out only the projected caustic map. P.S - rendered image to get an idea Thanks in advance Quote Link to comment Share on other sites More sharing options...
angels_arrows Posted July 2, 2010 Author Share Posted July 2, 2010 hi everyone ! I have been trying to make an underwater sequence. I have generated a caustic map through the Spot Light, using projection under spot light options. I want to render out the caustics into its separate render pass so i can comp it over and tweak it. I do not know what approach to take to render out only the projected caustic map. P.S - rendered image to get an idea Thanks in advance Quote Link to comment Share on other sites More sharing options...
SpencerL Posted July 3, 2010 Share Posted July 3, 2010 can you just set the color of your light to red (1, 0, 0) and apply a black lambert on your submarine? Also turn off all your other lights in the scene. Quote Link to comment Share on other sites More sharing options...
angels_arrows Posted July 4, 2010 Author Share Posted July 4, 2010 hi ! I tried what you told me, the result is only a black frame. What I tried is to render out a single frame without projection and another one with red light having the projection then used Luminosity blending to make it look like caustic pattern.. I don know if this is the right way to do it ? Quote Link to comment Share on other sites More sharing options...
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