Author Topic: Corona Color Correct and HDRI probelms  (Read 1562 times)

2021-12-17, 13:38:11

CamillaR

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Hi guys,

as you can see in the first pic when i apply the HDRI direclty in the "Enviroment Map" it doesnt give me any problems but when I conncet the HDRI Bitmap with CoronaColorCorrection this is what i get (second picture).

Another  two fast quesiton are: 1) should i use the Spherical Enviroment for the HDRI right? Even if the "Screen Enviroment" looks nicer as background.
2) there is a way to scale a HDRI?


Thank you




2021-12-17, 20:49:38
Reply #1

romullus

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as you can see in the first pic when i apply the HDRI direclty in the "Enviroment Map" it doesnt give me any problems but when I conncet the HDRI Bitmap with CoronaColorCorrection this is what i get (second picture).

Try to load HDRI in Corona bitmap, it should work correctly.

Another  two fast quesiton are: 1) should i use the Spherical Enviroment for the HDRI right? Even if the "Screen Enviroment" looks nicer as background.
2) there is a way to scale a HDRI?

#1 you should always set mapping to spherical when you use HDRI for lighting, however you can use the same or any other HDRI with screen or any other mapping in enviroment overrides to get yourself nicer background, better suited reflections, or refractions.

#2 can you clarify what do you mean by scaling HDRI?
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2021-12-20, 10:57:12
Reply #2

CamillaR

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Quote
Try to load HDRI in Corona bitmap, it should work correctly.

I did but nothing has changed.

Quote
#1 you should always set mapping to spherical when you use HDRI for lighting, however you can use the same or any other HDRI with screen or any other mapping in enviroment overrides to get yourself nicer background, better suited reflections, or refractions.

#2 can you clarify what do you mean by scaling HDRI?

#1thank you! :)

#2 make it smaller. it looks too big/close. Or the only way is to set the camera target to 0?


2021-12-20, 14:10:10
Reply #3

romullus

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Try to load HDRI in Corona bitmap, it should work correctly.

I did but nothing has changed.

I think it's a known bug. But it should only affect display in viewport. Enviroment mapping should look correct in actual rendering, Can you confirm that?

#2 make it smaller. it looks too big/close. Or the only way is to set the camera target to 0?

Not a target, but field of view (FOV) - you change how wide or narrow the camera sees the scene and enviroment itself. Enviroment is mapped at infinity, so you can't make it bigger or smaller physically. There is one exception though, if you use Corona bitmap, you can change mapping mode from spherical to dome. In that case, enviroment is mapped on physical hemisphere, that has actual size, so you can control how big, or small it appears in the background.
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