HDR Light

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HDR Light

Postby Elele » Sun Oct 01, 2017 5:36 pm

Elele Sun Oct 01, 2017 5:36 pm
Hi,

Is there a way to turn up the lighting intensity of an hdri image, loaded as a RGB image in the HDRI texture environment, independently of the exposure of the image in the render?

HDRI's never give enough light in renders, and if I turn up the exposure or power of the image it gets overexposed.

Thanks
Elele
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Re: HDR Light

Postby face_off » Sun Oct 01, 2017 11:20 pm

face_off Sun Oct 01, 2017 11:20 pm
If you are using a HDR or IBL image, then the gamma should be set to 1, not the default 2.2. That may resolve your issue.

Paul
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Re: HDR Light

Postby Elele » Mon Oct 02, 2017 3:58 pm

Elele Mon Oct 02, 2017 3:58 pm
That also changes the image. Is there a way to adjust the light intensity without changing the way the image looks?
Elele
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Re: HDR Light

Postby face_off » Mon Oct 02, 2017 9:28 pm

face_off Mon Oct 02, 2017 9:28 pm
That also changes the image. Is there a way to adjust the light intensity without changing the way the image looks?
Set the Environment Texture Power to a number greater than 1 (do this by entering a number in the power edit box rather than with the slider).

Paul
Win7/Win10/Mavericks/Mint 17 - GTX550Ti/GT640M
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke
Pls read before submitting a support question
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