c4d-reset-object-axis

c4d-reset-object-axis.py

import c4d
# Slightly modified version of Lennart's (tca studios) script from this thread: 
# http://www.plugincafe.com/forum/forum_posts.asp?TID=6600&KW=&PID=27379#27379

def main():

    if op is None: return False

    oldm   = op.GetMg()
    points = op.GetAllPoints()
    pcount = op.GetPointCount()

    doc.StartUndo()
    doc.AddUndo(c4d.UNDOTYPE_CHANGE, op)

    op.SetAbsPos(c4d.Vector(0,0,0)) #Comment out this to keep original position
    op.SetAbsRot(c4d.Vector(0,0,0)) #Comment out this to keep original rotation
    op.SetAbsScale(c4d.Vector(1,1,1)) #Comment out this to keep original scale
    op.Message(c4d.MSG_UPDATE)

    newm    = op.GetMg()

    for p in xrange(pcount):
        op.SetPoint(p,~newm*oldm*points[p])

    op.Message(c4d.MSG_UPDATE)
    c4d.EventAdd()
    doc.EndUndo()

if __name__=='__main__':
    main()

Isn't this the same as the Reset PSR command now? Correct me if i'm wrong

Reset PSR just moves the object to original axis as parent or global zero of the scene, not its axis :( Your script or something like it only resets the axis of this objects, so yeah