Negative Offset Displacement?

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Negative Offset Displacement?

Postby Nephanor » Sat Jul 15, 2017 4:26 am

Nephanor Sat Jul 15, 2017 4:26 am
Okay, working on converting a texture from V4 to Octane on a robot character. In Poser it has a displacement map where black is unaffected, and white is the offset. However, it does the displacement in the negative direction, like 'cutting out' of the character. I tried changing the height of the displacement to negative, even though it shows it as a float value, but it always resets to 0. How do I achieve a negative displacement like this?
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Re: Negative Offset Displacement?

Postby face_off » Sat Jul 15, 2017 11:25 am

face_off Sat Jul 15, 2017 11:25 am
Which release of the plugin are you using pls?

Paul
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Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke, DAZ Studio
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Re: Negative Offset Displacement?

Postby Nephanor » Sat Jul 15, 2017 4:22 pm

Nephanor Sat Jul 15, 2017 4:22 pm
Knew I should have added that last night. 3.6.5.81, Just downloading the newest stable version now.
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Re: Negative Offset Displacement?

Postby face_off » Sun Jul 16, 2017 4:50 am

face_off Sun Jul 16, 2017 4:50 am
Change the "Mid Level" pin to get a negative offset displacement.

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

Postby Nephanor » Sun Jul 16, 2017 6:03 am

Nephanor Sun Jul 16, 2017 6:03 am
I'm not quite sure what you mean. The mid level has a range of 0 to 1 in the positive. As mentioned, the displacement maps are currently set up as white is "inset" and black as unaffected. What value should it be set at?
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Re: Negative Offset Displacement?

Postby face_off » Sun Jul 16, 2017 6:56 am

face_off Sun Jul 16, 2017 6:56 am
You will need to test this - but my recollection is that if you set the mid-level to 0.5, then mid grey (ie. 127/127/127) in the displacement map will not be displaced (since that is the mid-level) and anything darker in the displacement map will be shrunk, and anything lighter in the displacement map will be lifted/enlarged.

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