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Object defined fog-based atmosphere with rayleigh scattering?

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  • Object defined fog-based atmosphere with rayleigh scattering?

    In Cycles, I have an atmosphere sphere around a planet, with a shader applied using a combination of volume absorption and scattering to create a decent planetary atmosphere, with nice orange/yellow transition into the shadowed area. Looking at trying to do something similar in V-ray, I can see only one way to define a volume using an object (the object select node, feeding a fog gizmo). However, the gizmo only seems to be supported by the fog node (none of the other volumes seem to offer a gizmo input), and the fog doesn't seem to have any controls for scatter and absorption.

    Is there a trick or tutorial somewhere that I could use to create something like this?
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