General Category > Work in Progress/Tests

Rendering with Corona

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Torsten Angerer:
First time I did something different with the Pyro Modul in Cinema 4D other than setting an animated sphere on fire.

At this point i´m not able to color the smoke in Corona. If I cache the color in the Pyro output in advance, it turns out to look like an impenetrable dark mass.

So, i still have a lot of problems to solve.

As an alternative I put the Output into a volume mesher, to get the whole material library to use. in this case I choosed the Fog Material turned puple. It also
reduced the visible grid on the Smoke simulation, but the voxelsize is already at 1.

maru:
Hi, changing smoke color should be pretty straightforward.
You can adjust the absorption color and scale.
Then you can adjust the scattering color. Disabling "single bounce only" can be a good idea to get more realistic results, but it will also render slower.
Here are some screenshots. In the last one I tried setting up some kind of dense, yellowish smoke so I've set both absorption and scattering to a yellowish hue.

Note that if you leave scattering color-less (white/gray) and only set absorption to some strong color, you will get weird results, but it's supposed to work that way. With absorption, you are treating light rays with maths, so the original RGB values may at some point end up as something completely different. :)

Beanzvision:
If you want to dive in deeper, please check out our support documents :)
https://docs.chaos.com/display/CRC4D/Corona+Volume+Grid

Torsten Angerer:
Hi Maru,

thank you very much for the detailed Feedback! Looks like Absorption is the keyword indeed.
I must admit that I ignored this specific tab completely.

Will try all the different settings next time

Beanzvision, thanks for the advice too!

Torsten Angerer:
Hi,

kind of busy right now, but occationally searching for some new interesting stuff.

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