Chaos Corona Forum
Chaos Corona for Cinema 4D => [C4D] General Discussion => Topic started by: celmar on 2024-10-11, 12:58:55
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hello!!! I'm rendering animation, very heavy scene (transparencies), but I just want test rendering, the faster possible... there is the hardware opengl in c4d, but no transparencies, and no light... is it possible to go "faster" on the "parsing scene, then "preparing scene data" step, as it is longer than the time allowed by frame, to test the animation??? thank you for helping!!!
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The only thing I can think of is, if your transparency is "on or off" rather than "varying levels" (like cut outs), be sure to have the "Clip" enabled as this makes a big difference to render time (though I don't believe this speeds up the parsing and preparing stages unfortunately).
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thank you, Tom... but I m lost: is it in Corona (where?)... or in harware opengl??
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In the Opacity tab where you define the transparency :) Most commonly used when you have the cut out for leaves, for example.
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You can see its use case in the latest Corona Academy chapter, 15 about texturing leaves https://www.chaos.com/corona-academy
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If you have a scene with lots of transparent or refractive objects and you would like to render it faster at the cost of quality, you can also try:
Lowering the Max Ray Depth value - https://docs.chaos.com/display/CRC4D/Performance+Settings
Changing Image Upscaling Factor to 2 or more (this will basically lower you render resolution) - https://docs.chaos.com/display/CRC4D/Corona+Preferences
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Also, if you are simply testing the animation and not the render quality or speed of Corona, then of course you can hit the Make Preview option in the Render menu. You can easily render a "pre-vis" style animation which will give you the real motion and timing of the animation, but at viewport quality.