Simple question - hyperShade command

[Aren Voorhees]

Hey all, forgive me for yet another noob question - 

I've been trying to find a way to create a list of an entire shading network.  I thought the easiest way to do so would be using hyperShade() with the ldn flag, like this:

import maya.cmds as cmds

shadingNetwork = cmds.hyperShade('blinn1', ldn=True)

print(shadingNetwork)

But this keeps returning 'None' even when there are textures attached to the material.  I actually found a work around using listHistory(), but I was still curious why the ldn flag was not working as I had expected.

Thanks!

Aren

[Ævar Guðmundsson]

I might be wrong but I don't think the ldn flag accepts a Boolean...

Do you get the same result if you pass it a string filter? ( ,ldn="*" )

[Justin Israel]

Ya, they take the name of a node, and also the hyperShade command doesn't use an argument. Just keyword params:

http://download.autodesk.com/global/docs/maya2012/en_us/CommandsPython/hyperShade.html

If you want the textures connected to the shader, then maybe you actually want the upstream nodes?

cmds.hyperShade(lun="blinn1")

On Thu, Feb 20, 2014 at 8:26 AM, Ævar Guðmundsson <aevar.gu...@gmail.com> wrote:

I might be wrong but I don't think the ldn flag accepts a Boolean...

  Do you get the same result if you pass it a string filter? ( ,ldn="*" )

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[Aren Voorhees]

You're right - that'll teach me to pay more attention to the flags.  And you're correct Justin, I should have used the lun flag to get the rest of the network. 

Thank you both!

On Wednesday, February 19, 2014 2:27:21 PM UTC-6, Justin Israel wrote:

Ya, they take the name of a node, and also the hyperShade command doesn't use an argument. Just keyword params:

http://download.autodesk.com/global/docs/maya2012/en_us/CommandsPython/hyperShade.html

If you want the textures connected to the shader, then maybe you actually want the upstream nodes?

cmds.hyperShade(lun="blinn1")

On Thu, Feb 20, 2014 at 8:26 AM, Ævar Guðmundsson <aevar.gu...@gmail.com> wrote:

I might be wrong but I don't think the ldn flag accepts a Boolean...

  Do you get the same result if you pass it a string filter? ( ,ldn="*" )

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[Aren Voorhees]

Actually, one other question if I can - I'm wondering if anyone knows a way to tell what material slot a particular node is plugged into?  For example, if I have a file plugged into the 'Color' slot of a material, can I get that info listed out somehow?   

[Justin Israel]

You probably want to look at listConnections with the plugs flag.

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[Aren Voorhees]

Had a look and I think that'll get me what I need.  Thanks again Justin.

On Wednesday, February 19, 2014 8:37:09 PM UTC-6, Justin Israel wrote:

You probably want to look at listConnections with the plugs flag.

On Thu, Feb 20, 2014 at 3:17 PM, Aren Voorhees <are...@gmail.com> wrote:

Actually, one other question if I can - I'm wondering if anyone knows a way to tell what material slot a particular node is plugged into?  For example, if I have a file plugged into the 'Color' slot of a material, can I get that info listed out somehow?   

On Wednesday, February 19, 2014 8:02:08 PM UTC-6, Aren Voorhees wrote:

You're right - that'll teach me to pay more attention to the flags.  And you're correct Justin, I should have used the lun flag to get the rest of the network. 

Thank you both!

On Wednesday, February 19, 2014 2:27:21 PM UTC-6, Justin Israel wrote:

Ya, they take the name of a node, and also the hyperShade command doesn't use an argument. Just keyword params:

http://download.autodesk.com/global/docs/maya2012/en_us/CommandsPython/hyperShade.html

If you want the textures connected to the shader, then maybe you actually want the upstream nodes?

cmds.hyperShade(lun="blinn1")

On Thu, Feb 20, 2014 at 8:26 AM, Ævar Guðmundsson <aevar.gu...@gmail.com> wrote:

I might be wrong but I don't think the ldn flag accepts a Boolean...

  Do you get the same result if you pass it a string filter? ( ,ldn="*" )

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