Displacement

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dcm
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Displacement

Post by dcm » Tue May 11, 2010 12:59 am

Hi, for most of you its probably lame question but here is it :
I never had problem with displacement in another renderers, but im trying to displace something in indigo and i want to cut my hairs. Im not sure where im doing mistakes but please, if its possible, i need to describe some informations. Im using max/maxigo.

1. What is better to use ? Displacement in material or maxigo displacement modifier?
2. I need to have prepared object?Or displacement depends on objects structure ?
3. How to use smoothing, how much subdiv etc ?

Thanks...
indigo is superb but displacement is making me MAD.

Example : I need to displace this carpet...any ideas?

Carpet0025_Displ.jpg
Carpet0025_B.jpg
Carpet0025_D.jpg

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juan_irender
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Re: Displacement

Post by juan_irender » Tue May 11, 2010 1:27 am

Hi, DCM.
I´ve tried a mesh displacement with some of your pics, and it works. I´m a Cinema 4D user, so I don´t know how is the interface of Maxigo.
But sure Cindigo and Maxigo works in a very similar way. So:
1) Is good that the mesh to be displaced are polygon dense already.
2) You need both displacement controls: the maxigo shader and the maxigo object modifier.
3) There is a good tutorial on how to use displacement parameters at: http://www.indigorenderer.com/forum/vie ... =19&t=6829
Hope it helps!
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Displaced_carpet.jpg
C4D R18 Studio user
Blender user :D

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suvakas
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Re: Displacement

Post by suvakas » Tue May 11, 2010 6:48 am

Displacement under material and displacement modifier are exactly the same, except modifier misses "view dependant" parameter and it can show you the approx number of polygons after subdivision. Only pick one of them and don't use both on one mesh. Subdiv parameter is the main one to tweak in combination with Displacement strength. Try a material with View. dep = On, SubDiv = 8 and start playing with the strength.

[edit]
Using displacement may mess up your uv coords. It's a known bug.

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juan_irender
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Re: Displacement

Post by juan_irender » Tue May 11, 2010 6:57 am

Hey Suvakas, then displacement works a bit different under Maxigo.
In Cindigo, in the displacement properties of the shader, you only have the texture parameters a, b, c, and in the modifier tag, the parameters to control all displacement properties (nº subdivs, pixel threshod, etc).
DCM, sorry if I messed you.

Cheers!
C4D R18 Studio user
Blender user :D

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Zom-B
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Re: Displacement

Post by Zom-B » Tue May 11, 2010 10:20 am

dcm wrote:3. How to use smoothing, how much subdiv etc ?
Well, smoothing + texture is broken atm: http://www.indigorenderer.com/forum/vie ... 387#p90387
But Glare is working on this issue :)

Smoothing is a great feature that rounds the mesh dependent to the normal_smoothing parameter in your 3D app.
a cube with smoothing on and 5 subdivs becomes a nice sphere :wink:
polygonmanufaktur.de

StompinTom
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Re: Displacement

Post by StompinTom » Tue May 11, 2010 4:39 pm

juan_irender wrote:Hi, DCM.
I´ve tried a mesh displacement with some of your pics, and it works. I´m a Cinema 4D user, so I don´t know how is the interface of Maxigo.
But sure Cindigo and Maxigo works in a very similar way. So:
1) Is good that the mesh to be displaced are polygon dense already.
2) You need both displacement controls: the maxigo shader and the maxigo object modifier.
3) There is a good tutorial on how to use displacement parameters at: http://www.indigorenderer.com/forum/vie ... =19&t=6829
Hope it helps!
That looks great! Very convincing.

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dcm
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Re: Displacement

Post by dcm » Tue May 11, 2010 10:27 pm

rofl
carpet.png

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Godzilla
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Re: Displacement

Post by Godzilla » Wed May 12, 2010 9:39 am

Are we ever going to fix the preview model?

:(

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Borgleader
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Re: Displacement

Post by Borgleader » Wed May 12, 2010 3:17 pm

dcm wrote:rofl
carpet.png
That is possibly one of the most epic material previews of all time... :lol:
benn hired a mercenary to kill my sig...

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dcm
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Re: Displacement

Post by dcm » Wed May 12, 2010 7:12 pm

This is special carpet for kids :D

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CoolColJ
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Re: Displacement

Post by CoolColJ » Sun May 16, 2010 12:59 pm

nice alien plant :mrgreen:

Soup
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Re: Displacement

Post by Soup » Sun May 16, 2010 1:41 pm

Godzilla wrote:Are we ever going to fix the preview model?

:(
What exactly is wrong with it? Perhaps you would like to fix it up and flick it over? :)

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Godzilla
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Re: Displacement

Post by Godzilla » Sun May 16, 2010 2:56 pm

Soup wrote:
Godzilla wrote:Are we ever going to fix the preview model?

:(
What exactly is wrong with it? Perhaps you would like to fix it up and flick it over? :)

http://www.indigorenderer.com/forum/vie ... f=5&t=7348

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