CopyAxisFromPickedObject.py

import c4d
from c4d import gui
# Welcome to the world of Python

def axe(objet, matrice, relatif = True) :
    
    if relatif : m_obj = objet.GetMl()
    else : m_obj = objet.GetMg()
    
    m = ~matrice * m_obj
    nbpts = objet.GetPointCount()
    points = objet.GetAllPoints()
    
    for i in xrange(nbpts) :
        points[i] = m.Mul(points[i])
    
    doc.AddUndo(c4d.UNDOTYPE_CHANGE,objet)
    objet.SetAllPoints(points)
    
    if relatif:
        objet.SetMl(matrice)
    else:
        objet.SetMg(matrice)
    
    objet.Message(c4d.MSG_UPDATE)


# Main function
def OnPick(flags, active, multi):
    
    if flags & c4d.PICKSESSION_FLAG_CANCELED:
        print "User Cancel PickSession"
    
    from_obj = active[0]
    
    axe(op,from_obj.GetMg(),False)
    
    c4d.EventAdd()


def main():
    
    if not op or op.GetType() != c4d.Opolygon:
        gui.MessageDialog('Please select polygon object and try again!')
        return
    
    doc.StartPickSession(OnPick, multi=False)

# Execute main()
if __name__=='__main__':
    main()