thank ... I had just figured this out when I was about to let the list know and
saw your response ... thanks anyway !!!!
From: [email protected]
[mailto:[email protected]] On Behalf Of Ean Carr
Sent: Tuesday, August 02, 2011 1:17 PM
To: Nuke Python discussion
Subject: Re: [Nuke-python] New Channel Layes with Python
Hi Mike,
You have the syntax a little off. The first argument to nuke.Layer is the layer
name. The second argument should be a list/tuple where each item is
<layer>.<channel name>
So, in your example, I'm not sure what's assigned to your variable 'read_node',
but I'm guessing it's a node object, but should be a string. In your list,
you're not specifying which layer to add your channels to. That would explain
being able to see the layer in the viewer drop-down but not a Copy node, which
only shows you channels.
So, for example, if you want to add a layer called 'mylayer' and red, green,
blue and alpha channels to that layer, you'd do:
nuke.Layer('mylayer', ['mylayer.red', 'mylayer.green', 'mylayer.blue',
'mylayer.alpha'])
At first I was confused by this, too. I thought you could leave off the layer
name from each item in your tuple/list and nuke.Layer would assume the layer in
the first arg, but it looks like that's not the case.
-Ean
On Mon, Aug 1, 2011 at 8:12 PM, Mike Donovan
<[email protected]<mailto:[email protected]>> wrote:
Hey Guys,
I am trying to create a script that make new channel layers .. I am using the
nuke.Layer() function to do this. The layers are getting created (I can see
them in the viewer drop down) but I can't see them in my 'copy' nodes ... here
is a snippet. Any thoughts would be great.
#add new channel for each read node
nuke.Layer( read_node, ['red', 'green', 'blue'] ) # new channel layer
if item_count > 0 : # if the read node is not the first in the collection ...
make a copy node
prev_copy_node = nuke.selectedNode() # get the current copy node
rn_copy = nuke.createNode("Copy") # make a new copy node
rn_copy.setName('cp_'+read_node) # name it to match the read node
x = nuke.toNode(read_node) # assign the read node to x
nuke.toNode(rn_copy.name<http://rn_copy.name>())
rn_copy.setInput(0, prev_copy_node) # set the input from the previous
copy node
rn_copy.setInput(1, nuke.toNode(read_node)) # set the input from teh
read node
nuke.toNode(rn_copy.name<http://rn_copy.name>())
rn_copy.knob("from0") .setValue('rgba.red')
rn_copy.knob("to0") .setValue(read_node+'.red')
rn_copy.knob("from1") .setValue('rgba.green')
rn_copy.knob("to1") .setValue(read_node+'.green')
rn_copy.knob("from2") .setValue('rgba.blue')
rn_copy.knob("to2") .setValue(read_node+'.blue')
M
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