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Arnold Layer System-why is no one answering

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Message 1 of 6
xebajac
309 Views, 5 Replies

Arnold Layer System-why is no one answering

The layer system in Arnold is it Top to Bottom or Bottom to Top, is it like after effects?
Can someone please elaborate on this topic.

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Message 2 of 6

Is this in Maya? What context do you mean layer system? Do you mean render layers, texture layers?

Please give examples and more details on the version of Arn old and Application you are running it in.



Ashley Handscomb Retallack
Arnold Support Specialist
Arnold Documentation | Arnold Downloads
Message 3 of 6

I mean the layer nodes(C4d)...is the arrangement Top to Bottom or Bottom to Top.

Message 4 of 6
Stephen.Blair
in reply to: xebajac

For layer rgba, it's bottom to top

From https://docs.arnoldrenderer.com/x/5Io7B:

Move (1-8)

Moves the current layer in place of the selected layer, pushing the other layers up or down, changing the order of the layers. For instance if layer 2 is moved in place of layer 5, the new order is (bottom to top): layer 1, layer 3, layer 4, layer 5, layer 2, layer 6, layer 7, layer 8.



// Stephen Blair
// Arnold Renderer Support
Message 5 of 6
xebajac
in reply to: Stephen.Blair

Thank you.

Message 6 of 6
aaronfross
in reply to: xebajac

Hello,

In the MtoA documentation for aiLayerShader, I see the line "Layers are applied in order." I assume that other plugin documentation shares this issue. The statement is ambiguous. In what order are the layers applied? Top to bottom? Bottom to top? It could be either way, and the documentation is not helpful. Different applications use different conventions. E.G. Photoshop and After Effects layers are composited similarly to the UI layout... layers higher in the UI are superimposed over layers lower in the UI. The Maya Layered Shader is horizontal, with left-hand layers superimposed over right-hand layers. So how are users to know that is meant by "Layers are applied in order"?

I experimented with aiLayerShader and determined that higher-numbered layers are superimposed over lower-numbered layers. I.E., layers lower in the UI are superimposed over layers higher in the UI. Please update the documentation to clarify this issue.

Thank you,

Aaron

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