How to add a selection to a list?

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Heather Rose

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May 1, 2014, 6:11:14 AM5/1/14
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Hi guys,

Say I had created 5 discs in my scene, disc0, disc1, disc2, disc3, disc4

I want to select the discs and add the to a list. I tried this out:

    pegA=[]
    pegA.append(cmds.select('disc*')
    print pegA

But it didn't work! It printed [None]

Any ideas on how else I could do this?

Thanks guys!

David Martinez

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May 1, 2014, 6:16:55 AM5/1/14
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Hi Heather,

It looks like you are selecting the objects instead of listing them.
Try this instead:

pegA=[]
pegA.append(cmds.ls('disc*'))
print pegA

Keep in mind though, that it will return both the transform node and the shape nodes.
Good news, is that you can specify the type using:

pegA=[]
pegA.append(cmds.ls('disc*',type='transform'))
print pegA

Hope it helps,




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Marcus Ottosson

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May 1, 2014, 6:28:37 AM5/1/14
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cmds.ls() will return a list. If you're looking to add items to an existing list, there is a method called .extend:

>>> pegA.extend(cmds.ls(..))

Otherwise, you'll get a list within a list. Inception-style.


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David Martinez

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May 1, 2014, 6:30:31 AM5/1/14
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Oops! Good point!


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Heather Rose

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May 1, 2014, 6:45:03 AM5/1/14
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Hi David I just tried out your method, (with extend instead) and it works perfectly! thank you so much :)
Oops! Good point!
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Heather Rose

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May 1, 2014, 6:45:31 AM5/1/14
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thank you!
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