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Physical Material and alpha map cutout

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Message 1 of 8
mphillipsESTPB
2162 Views, 7 Replies

Physical Material and alpha map cutout

Hi Everyone,
I am having trouble mapping a leaf to a plane surface. I created an alpha channel map and applied the bitmap as a cutout and have my leaf texture as my base color. However when I render using Arnold my leaf has a slight transparency which I cannot get rid of. Please help !

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Message 2 of 8

Can you save one of the leafs with the material and upload it here? Will be easier to explain how it works.

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

EESignature

Message 3 of 8

See attached file and Images.. Thank you in advance for your help!!

Message 4 of 8

OK, so I had a quick look. What you need is a diffuse map and a opacity map. Isn't a good idea using a psd file as your texture, as this can't be converted to TX files, and is also introducing some opacity errors.

 

So, connect a png\jpg\targa file as a diffuse map and the same for the opacity.

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

EESignature

Message 5 of 8

I was using a .tga map as my diffuse bitmap. However It still makes the leaf semi transparent. when rendering.

Message 6 of 8


@mphillipsESTPB wrote:

I was using a .tga map as my diffuse bitmap. However It still makes the leaf semi transparent. when rendering.


I would use a non-PSD texture for the opacity map too.

What PSD layer did you use? I took the individual layer Layer 1, and the alpha was 1 everywhere.



// Stephen Blair
// Arnold Renderer Support
Message 7 of 8

These is the diffuse map I utilized when rendering the leaf. The other was a tga map (I cannot upload to this chat) which you can generate from the previous .psd file I shared. If you can generate your own .tga file and try to render.

Message 8 of 8

I don't have anything for editing psd files

But by using an individual layer from that PSD, I did get opacity (I changed the base color to a flat color, no texture)

StephenBlair_0-1632426962706.png

 



// Stephen Blair
// Arnold Renderer Support

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