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T
tatGI
Participant
August 7, 2019
Question

3D modelling in Photoshop: lighting models ?

  • August 7, 2019
  • 1 reply
  • 178 views

Hello Adobe fans,

I am recently trying to find out what are the reflection model, or illumination models in Photoshop 3D rendering tool?
Most OpenGL software use Phong for diffuse, CookTorrance for specular, but other models are available such as Ward isotropic, Blinn, etc.
Can someone help me here ?

Thank you in advance.
Taty

This topic has been closed for replies.

1 reply

Akash Sharma
Akash Sharma
Legend
August 7, 2019

Hi Taty,

Please take a look at the below articles:

Essential 3D concepts and tools in Photoshop

3D panel settings in Photoshop

3D rendering and saving in Photoshop

Reflection: Increases the reflection of other objects in the 3D scene, and the environment map, on the material surface.

Illumination: Defines a color that doesn't rely on lighting to display. Creates the effect that the 3D object is lit from within.

Thanks,

Akash

T
tatGIAuthor
Participant
August 7, 2019

Dear Akash,

Thank you for your help.
It seems like the default reflection of a material is Solid (Draws without shadows or reflections using the GPU on an OpenGL video card.)   , however, I cannot clearly understand how this model adds texture on the object. I need some mathematical explanation for this.

Also, is there proper color management pipeline in the 3D tool of photoshop, or it will all pass trough the 2D texture editor? The box for "Linearize colors" in the Layer panel helps produce the same color output as the wrapped texture map. Can you tell me why and what exactly is the default working space (it seems to be RAW by the look of it, regardless of the Working Space Color Setting being RGB of my calibrated monitor).

Thank you again for your quick response.
Best wishes

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