[Bf-python] Python -- Orientatoin problems.

Gilbert, Joseph jgilbert at tigr.org
Tue Jun 7 17:54:58 CEST 2005


This is another 'issue' with bone/armature module which is probably very
frustrating :/. The head/tail, loc, quat, etc don't all function in
tandem because of the axis/angle || matrix conundrum. Some access the
matrix, others the axis/angle. Again I don't remember the details but
the head, tail, roll come from the axis/angle storage, while the quat is
returned from the matrix which is derived from the axis/angle! Lol
Anyway another reason y this needs to be rewritten.

-----Original Message-----
From: bf-python-bounces at projects.blender.org
[mailto:bf-python-bounces at projects.blender.org] On Behalf Of Nick Lawson
Sent: Monday, June 06, 2005 11:04 PM
To: 'Blender Foundation Python list'
Subject: RE: [Bf-python] Python -- Orientatoin problems.

It could be related to
http://projects.blender.org/tracker/index.php?func=detail&aid=2230&group
_id=
9&atid=125

In which the quat and loc of bones is not outputting correctly via
python,
even in 'bonespace'.

-Nick


-----Original Message-----
From: bf-python-bounces at projects.blender.org
[mailto:bf-python-bounces at projects.blender.org] On Behalf Of Kenney
Phillis
Jr
Sent: Monday, June 06, 2005 3:08 PM
To: bf-python at projects.blender.org
Subject: [Bf-python] Python -- Orientatoin problems.

with most models i make the origin for the bones is off....
picture of the offset issue of blender: 
http://img65.echo.cx/img65/3514/offsetissue3ck.png
ik picture issue:
http://img138.echo.cx/my.php?image=standardikoutput9nn.png

the two images point out two different issues... you can look at my 
attached script for debugging purposes, but the issue is that the world 
space and bone space quats don't show negative values on rotation..

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