How can I know material can be used to create wood end-grain?

Explorer ,
Aug 11, 2021 Aug 11, 2021

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Hi

I see a post about wood cuting material with substance material.

Lost in the Parametric Woods (adobe.com)

I go to substance sources, How can I know material can be used to create wood end-grain?

 

image.png

I intent to use oak and pine in design furniture. wood end-grain is important.

 

Thank

Travis

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correct answers 1 Correct answer

Adobe Community Professional , Apr 19, 2022 Apr 19, 2022
I had a bit more think about this one and came up with a solution using the pixel processor and and a baked from mesh position map. Basically it uses the original two dimensional wood end grain graph that I showed previously. It then reads the position of each point on the UV using a baked 'position from mesh' graph. So it now has an X,Y and Z co-ordinate. Then it samples that end grain (X,Y) and places it across the third dimension (Z). I added a little variation in the sampling of the long gra...

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Explorer ,
Aug 11, 2021 Aug 11, 2021

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more ref image

image.png

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New Here ,
Nov 24, 2021 Nov 24, 2021

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I'd also appreciate some clarification on how to do this, the article doesn't go into much detail on how the end grain is done but shows off a lot of examples, it's disapointing to see this was not made a part of the materials available on substance source.

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Adobe Community Professional ,
Nov 25, 2021 Nov 25, 2021

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Try blending some lines from a linear gradient with some noise, and then using a Dynamic Gradient node to distort the lines. Then warp them using a warp node and noise.

2021-11-25_23-37-32.jpg

 

You can go on to add wood cell structure, cut marks etc

 

Dave

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Explorer ,
Apr 09, 2022 Apr 09, 2022

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Hi @davescm 

Thank for share. 

I download ash_wood_sawn from substance source. How could I blend this material with wood end grain? Could I do it in substance painter or must use substance Desinger?

Could you please make example wood block 100x150x300.

 

Thank

Travis

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Adobe Community Professional ,
Apr 09, 2022 Apr 09, 2022

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I would just add the end grain in Painter as a separate material, then balance the position and colour to get a suitable match.

2022-04-09_15-14-36.jpg

 

There may be a more complex way by producing a material which takes into account the direction and position of surfaces using baked world space normal maps, but it would be much more complex to produce.

 

Dave

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Adobe Community Professional ,
Apr 19, 2022 Apr 19, 2022

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I had a bit more think about this one and came up with a solution using the pixel processor and and a baked from mesh position map.

Basically it uses the original two dimensional wood end grain graph that I showed previously.

It then reads the position of each point on the UV using a baked 'position from mesh' graph. So it now has an X,Y and Z co-ordinate. Then it samples that end grain (X,Y) and places it across the third dimension (Z). I added a little variation in the sampling of the long grain to make it more realistic

2022-04-19_15-15-05.jpg

So in short it is treating the end grain as a cross section through the material and then sampling at each surface point along the third axis what the value would be if it was cut out of that section (as well as adding a little variation)

2022-04-19_15-29-46.jpg

 

Applied to a torus:

2022-04-19_15-29-10.jpg

 

Hopefully that is sufficient steer to get you started on your own 3D wood material.

 

Dave

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Explorer ,
Apr 19, 2022 Apr 19, 2022

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Thank a lot @davescm Need time to learn and understand.

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Adobe Community Professional ,
Apr 19, 2022 Apr 19, 2022

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It is treating the model as if it sits in a cuboid with the end grain map printed all the way through it. Then it just samples the position of each surface point. As I said I did add a little variation in the sampling otherwise it would just have been straight lines from front to back.

This is it applied to a bowl shape

2022-04-19_16-22-27.jpg

 

It needs parameters adding to control angle etc but the basics are there

 

Dave

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Adobe Community Professional ,
Apr 21, 2022 Apr 21, 2022

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Great tutorial, Dave, and the bowl is beautiful!

 

~Jane

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Adobe Community Professional ,
Apr 21, 2022 Apr 21, 2022

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Thank you Jane.

Dave

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