rotate difference in Mel and python

[Todd Widup]

mel and maya.cmds

rotate -r -os 0 45 0;

works different than

pymel

pm.rotate(0,45,0,r=1,os=1)

any ideas why and what is going on with it?

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Todd Widup
Creature TD / Technical Artist
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[Kurian O.S]

rotate take a list 

pm.rotate([0,45,0], r=1, os=1)

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[Todd Widup]

it works without it as well..atleast here is it and errors on a list

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[Todd Widup]

the point being though...I can get it to work in either...but the same values actually rotate differently between mel/maya.cmds and pymel

[damon shelton]

Use xform 😀

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[Todd Widup]

hye Damon, I would normally...was just testing something and found this bug/strange behavior

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[Geordie Martinez]

pm.rotate can take 3 floats or a dt.Vector(float,float,float) or just a tuple with three floats. pm.rotate((0,45,0),r=True, os=True)
it is flexible.

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[Todd Widup]

but the point is...try teh commands...pymel is rotating a node differently than maya.cmds or mel

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[Geordie Martinez]

try this:

import pymel.core as pm
pm.rotate((0,45,0),os=True,r=True)
# or
pm.selected()[0].rotate.set((0,45,0))
# or
pm.rotate(pm.selected()[0], 0,45,0,os=True,r=True)

These all work as expected. 

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[Martin Y]

In pm you need to put the coordinates in a list or tuple.

pm.rotate((0,45,0), os=True, r=True)
pm.rotate([0,45,0], os=True, r=True)

works fine

pm.rotate(0,45,0, os=True, r=True)

doesn't.

I tried the pymel examples where they aren't using lists or tuples and it doesn't work here even when I'm using the same pymel version.
I guess the pymel examples in the manuals are outdated.

Martin

[Todd Widup]

hmmm strange...anyways..in a list here, it errors.  not sure whats going on..oh well...was just trying to figure out if this was a bug or not

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[Todd Widup]

figured out what it is

if I do

pm.rotate(0,45,0,r=1,os=1)

its actually rotating 45 on x, not y..its thinking that first 0 is an object, but it still applies it to the selected node, so that is a bug

[Geordie Martinez]

That's not a bug. 

The first argument is supposed to be an object. The docs say this function was modified to accept any iterable. 

In pymel youre in object-oriented mode so just use the method on the object to affect rotation. 

node.rotate.set((0,45,0))

If you're going to use pymel, take advantage of OOP.

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[Todd Widup]

no geordie..I dont want to lol :D

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[Geordie Martinez]

Don't be afraid of change , Todd!

pm.iLoveYou().rotate.set((0,45,0)

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[Todd Widup]

lol  

well..didnt know you could do rotate.set...normally use setAttr for that part.  

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