hi,
in opposition to a light source that is built via an emission material that is attached to a geometry, a c4d-light and it's corresponding onctanelight-tag does not have the option "cast illumation".
why is that?
i really like using light sources only for reflection purposes without having them illuminate anything, so right now i can only do that by using geomtery and emission-material.
it would be great to have that option in a light-tag, too.
exporting a light-tag scene into standalone, i can see in the graph that this light-object is being translated into a geometry with a bright diffuse material attached to it. this material has either a blackbody- or a texture emission node to it, depending on what had been set up in the light-tag.
going futher down the graph one can see, that there of course also is the "cast illumination" flag and it is - obviously, since there is no other option set-able in the light-tag - activated.
i already went through all the .h, .res, .str - files of the "OctaneLightTag" and tried mimicing the "cast illumination"-stuff that i had found in the corresponding "BlackBodyEmission"-files... but boy... what a naive idea of mine to think a non-coder like me could simply add that option by himself. actually i did add that option, but it did: nothing
so, please. would you?