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# Copyright (c) 1996, 1997, The Regents of the University of California.
# All rights reserved. See Legal.htm for full text and disclaimer.
from slice3 import plane3
from Numeric import *
from scipy_base.fastumath import *
from graftypes import *
class Plane :
"""Plane (normal, point) simply embodies a plane through the
given point with the given normal.
"""
def type (self) :
return PlaneType
def __init__ (self, normal = array ([1., 0., 0.]),
point = array ([0., 0., 0.])) :
self.coeffs = plane3 (normal, point)
def __repr__ (self) :
return `self.coeffs`
def __str__ (self) :
return `self.coeffs`
def __neg__ (self) :
p = Plane ()
p.coeffs = - self.coeffs
return p
def rep (self) :
return self.coeffs
def astype (self, newtype) :
return (array (self.coeffs, newtype))
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