Principled Shader Displacment with ramps

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Hi, im trying to use a ramps node in the displacement of the principled shader. A read in an older post that you need to create a custom displacement shader for that. How do you do that if is necesary? There is any easier solution? Traing to achive this effect in a grid.
Thanks

Attachments:
chapa-cincalum-cal-27-acanalada-y-trapezoidal-D_NQ_NP_16327-MLA20118285715_062014-F.jpg (32.4 KB)

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You can create the waves inside a material shader builder. I wouldnt know how to fake thickness though.

Attachments:
shader_waves.hipnc (171.4 KB)

https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Thanks.
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You´re welcome, it´s probably simpler to create the roof in SOPs and VOPs, though.

Attachments:
waves_model.hipnc (94.7 KB)

https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Many thanks for the example files Konstantin :-)

@martinlarravide
whenever you need it:
https://www.sidefx.com/forum/topic/17423/#post-162935 [www.sidefx.com]
the “screw” problem solved via displacement, too.
Simply skew Konstantins shader ;-)

Original file file from 2014, seems still working…
Sorry, forgotten to say: the attached file is a mess.
It should only show what is possible with Mantra.
Edited by matthias_k - Jan. 13, 2018 14:27:36

Attachments:
screwshader_04.hip (1.9 MB)

English is not my native language, sorry in advance for any misunderstanding :-)
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