Chaos Corona Forum
Chaos Corona for Cinema 4D => [C4D] General Discussion => Topic started by: kmwhitt on 2017-06-03, 13:39:06
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Is it possible somehow to scale the sky object or the HDRi I'd like to apply to it?
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Of course, see the attachment :-)
Note that this is standard C4D way. And also note that frontal mapping does not work yet.
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As far as I can tell, this only make the HDRi tile/repeat. Let's say I have an interior shot where I want to see the HDRi in the background through a window. Were I to use a simple sphere with the HDRi applied spherically, I could reduce the size of that sphere and I would see more of my HDRi in that window (without tiling the image). What I am wanting to do is scale the actual sky object so that my background image is at a more reasonable size.
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In that case I usually use a plane with the texture properly mapped on it and only make it visible to camera (so that no lighting rays get obstructed) with the Corona Compositing tag. :)
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As far as I can tell, this only make the HDRi tile/repeat. Let's say I have an interior shot where I want to see the HDRi in the background through a window. Were I to use a simple sphere with the HDRi applied spherically, I could reduce the size of that sphere and I would see more of my HDRi in that window (without tiling the image). What I am wanting to do is scale the actual sky object so that my background image is at a more reasonable size.
Actually, the sky object is always centered around the camera, so you cannot scale it. But yeah, you can use a normal sphere or plane object and map the hdri to it.
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nkilar - thanks for your input. Yes, I have been using a backplate in the meantime, but was hoping there is a way to use a 360° image.
houska - I didn't realize a scaled sphere would have the same effect. Thanks for the clearing that up. Is there any hit to performance with the sphere over the sky object?