How to import "3D object or scene with its material" into Nuke?

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  09 September 2011
How to import "3D object or scene with its material" into Nuke?

Hello everyone!

I'm just having a big trouble with importing 3D objects made in 'Maya' or '3DsMax' into Nuke.. or simply the scenes made by 'Vue' as well.

After I've exported my objects/scenes as *.FBX files, the objects themselves are being imported succesfully by a 'ReadGeo node' in my Nuke project.
And by the same way using a 'Light node', I can import the light too.

But the problem is importing the materials... I don't know how to. So, it's always gray in the 'Wiever' and black after rendered.

I need some help with this if anyone has been into this before or had useful information or an idea...

Thanks so much beforehand..
  09 September 2011
Nuke asigns material either by 3dshader as apply material
and project or with 3dmodify- uv project. Maybe because it's
meant to project footage on geo. You have to bake somehow
your texture to an image and apply material-it does not
recognise it otherwise.
  10 October 2011
paste this into Nuke and it will show you how the texture hooks up to the geo

set cut_paste_input [stack 0]
version 6.3 v4
Read {
 inputs 0
 file /Volumes/HOME_RAID/WORK/turbosquid_models/magazineplaceholder/sourceimages/LEFTPAGE_blank.tif
 format "1024 1024 0 0 1024 1024 1 square_1K"
 origset true
 version 6
 name Read12
 selected true
 xpos -115
 ypos -166
ReadGeo2 {
 file /Volumes/HOME_RAID/WORK/turbosquid_models/magazineplaceholder/data/magnewuvs_fornukeleft.obj
 version 2
 rot_order XYZ
 name ReadGeo2
 selected true
 xpos -115
 ypos -76
push 0
Scene {
 inputs 2
 name Maya_Scene
 selected true
 xpos -213
 ypos 22
push $cut_paste_input
Camera {
 selectable false
 rot_order XYZ
 translate {-2.461821359 11.55015128 -0.8790629823}
 rotate {-74.92186539 -92.85543115 5.08888749e-14}
 focal 37.88
 haperture 23.999952
 vaperture 23.999952
 name Camera
 label persp_Con
 selected true
 xpos -12
 ypos 31
  10 October 2011
Most people project fully lit beauty renders or render passes back onto the rough geometry.

Nuke is meant for quick and dirty 3d work for matte painting, set extensions, etc... So the 3d system doesn't have the ability to fully replicate the shaders in your 3d app. It only has basic shaders like phong. Without a shader your essentially getting the equivalent of a constant shader.
  10 October 2011
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