###############################################################################

#                                                                             #

# This file is part of a style sheet example from the Freestyle application   #

# Copyright (C) 2001-2004  Stephane Grabli (Stephane.Grabli@imag.fr)          #

#                                                                             #

# http://artis.imag.fr/Software/Freestyle                                     #

#                                                                             #

###############################################################################




from Freestyle import *
from Functions0D import *
import string 



class pyGetInverseProjectedZF1D(UnaryFunction1DDouble):

	def getName(self):

		return "pyGetInverseProjectedZF1D"



	def __call__(self, inter):

		func = GetProjectedZF1D()

		z = func(inter)

		return (1.0 - z)



class pyGetSquareInverseProjectedZF1D(UnaryFunction1DDouble):

	def getName(self):

		return "pyGetInverseProjectedZF1D"



	def __call__(self, inter):

		func = GetProjectedZF1D()

		z = func(inter)

		return (1.0 - z*z)



class pyDensityAnisotropyF1D(UnaryFunction1DDouble):

	def __init__(self,level,  integrationType=MEAN, sampling=2.0):

		UnaryFunction1DDouble.__init__(self, integrationType)

		self._func = pyDensityAnisotropyF0D(level)

		self._integration = integrationType

		self._sampling = sampling

	def getName(self):

		return "pyDensityAnisotropyF1D"

	def __call__(self, inter):

		v =  integrateDouble(self._func, inter.pointsBegin(self._sampling), inter.pointsEnd(self._sampling), self._integration)

		return v



class pyViewMapGradientNormF1D(UnaryFunction1DDouble):

	def __init__(self,l, integrationType, sampling=2.0):

		UnaryFunction1DDouble.__init__(self, integrationType)

		self._func = pyViewMapGradientNormF0D(l)

		self._integration = integrationType

		self._sampling = sampling

	def getName(self):

		return "pyViewMapGradientNormF1D"

	def __call__(self, inter):

		v =  integrateDouble(self._func, inter.pointsBegin(self._sampling), inter.pointsEnd(self._sampling), self._integration)

		return v