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May 14, 2011

Blender 2.5 Python Moving Object Origin

the tooltip for changing the origin (with object selected in object mode) = shift+ctrl+alt+c. says: bpy.ops.object.origin_set(...)

a pretty painless procedure, but maybe a little obfuscated.
- copy the coordinates of your current 3d cursor
- set the 3d cursor to your desired world coordinates
- set the object origin to the 3d cursor
- update
- set the 3d cursor back to it's initial position
- update (if needed )

that in python looks like
import bpy
# store the location of current 3d cursor
saved_location = bpy.context.scene.cursor_location.copy()  # returns a copy of the vector

# give 3dcursor new coordinates
bpy.context.scene.cursor_location = (1.0,0.0,0.0)

# set the origin on the current object to the 3dcursor location

# set 3dcursor location back to the stored location
bpy.context.scene.cursor_location = saved_location