Blur texture input + weaken Normal Map

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Blur texture input + weaken Normal Map

Postby desire » Wed Dec 13, 2023 2:28 pm

desire Wed Dec 13, 2023 2:28 pm
He there!
Can't find solutions for these two tasks:
- how to add blur to ImageTexture node (or to generator node if it'd be real)?
- how to weaken NormalMap node in case it is not a texture but generator? Direct example - Flakes generator.

I will be glad to your help to solve them!
desire
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Re: Blur texture input + weaken Normal Map

Postby ricky_otoy » Wed Dec 13, 2023 5:26 pm

ricky_otoy Wed Dec 13, 2023 5:26 pm
Hi desire,

There is no blur image function for the texture at the moment as far as I know, but there is probably an OSL shader for Gaussian blur on the forum floating around.

To weaken the Normals from Flakes, you can use the Blend Factor properties: https://docs.otoy.com/StandaloneH_STA/S ... Flakes.htm
As for others, I guess you could use a mix texture node and a solid base color of 0.5, 0.5, 1.0 and blend the amount. (will work similar to Blend Factor on the Flakes generator).
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Re: Blur texture input + weaken Normal Map

Postby desire » Wed Dec 13, 2023 5:53 pm

desire Wed Dec 13, 2023 5:53 pm
ricky_otoy wrote:Hi desire,

There is no blur image function for the texture at the moment as far as I know, but there is probably an OSL shader for Gaussian blur on the forum floating around.

To weaken the Normals from Flakes, you can use the Blend Factor properties: https://docs.otoy.com/StandaloneH_STA/S ... Flakes.htm
As for others, I guess you could use a mix texture node and a solid base color of 0.5, 0.5, 1.0 and blend the amount. (will work similar to Blend Factor on the Flakes generator).

Thank you for your answer!
Will try tomorrow.
desire
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Re: Blur texture input + weaken Normal Map

Postby desire » Fri Dec 22, 2023 5:57 pm

desire Fri Dec 22, 2023 5:57 pm
Thanks to ricky_otoy control of strenght of normal map is Ok.
But had no luck with OSL blur texture script.
May be someone had went that route?
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Re: Blur texture input + weaken Normal Map

Postby bepeg4d » Wed Dec 27, 2023 7:42 am

bepeg4d Wed Dec 27, 2023 7:42 am
Hi,
about OSL Gaussian Blur node, to make it works, you need to have a Projection node connected to the source texture, and change it to "OSL delayed UV":
IMG_0692.jpeg


ciao,
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