forked from bartvdbraak/blender
82 lines
2.7 KiB
Python
Executable File
82 lines
2.7 KiB
Python
Executable File
from freestyle_init import *
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class pyInverseCurvature2DAngleF0D(UnaryFunction0DDouble):
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def getName(self):
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return "InverseCurvature2DAngleF0D"
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def __call__(self, inter):
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func = Curvature2DAngleF0D()
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c = func(inter)
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return (3.1415 - c)
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class pyCurvilinearLengthF0D(UnaryFunction0DDouble):
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def getName(self):
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return "CurvilinearLengthF0D"
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def __call__(self, inter):
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i0d = inter.getObject()
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s = i0d.getExactTypeName()
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if (string.find(s, "CurvePoint") == -1):
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print "CurvilinearLengthF0D: not implemented yet for %s" % (s)
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return -1
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cp = castToCurvePoint(i0d)
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return cp.t2d()
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## estimate anisotropy of density
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class pyDensityAnisotropyF0D(UnaryFunction0DDouble):
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def __init__(self,level):
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UnaryFunction0DDouble.__init__(self)
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self.IsoDensity = ReadCompleteViewMapPixelF0D(level)
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self.d0Density = ReadSteerableViewMapPixelF0D(0, level)
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self.d1Density = ReadSteerableViewMapPixelF0D(1, level)
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self.d2Density = ReadSteerableViewMapPixelF0D(2, level)
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self.d3Density = ReadSteerableViewMapPixelF0D(3, level)
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def getName(self):
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return "pyDensityAnisotropyF0D"
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def __call__(self, inter):
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c_iso = self.IsoDensity(inter)
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c_0 = self.d0Density(inter)
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c_1 = self.d1Density(inter)
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c_2 = self.d2Density(inter)
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c_3 = self.d3Density(inter)
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cMax = max( max(c_0,c_1), max(c_2,c_3))
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cMin = min( min(c_0,c_1), min(c_2,c_3))
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if ( c_iso == 0 ):
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v = 0
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else:
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v = (cMax-cMin)/c_iso
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return (v)
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## Returns the gradient vector for a pixel
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## l
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## the level at which one wants to compute the gradient
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class pyViewMapGradientVectorF0D(UnaryFunction0DVec2f):
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def __init__(self, l):
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UnaryFunction0DVec2f.__init__(self)
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self._l = l
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self._step = pow(2,self._l)
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def getName(self):
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return "pyViewMapGradientVectorF0D"
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def __call__(self, iter):
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p = iter.getObject().getPoint2D()
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gx = ReadCompleteViewMapPixelCF(self._l, int(p.x()+self._step), int(p.y()))- ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()))
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gy = ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()+self._step))- ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()))
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return Vector(gx, gy)
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class pyViewMapGradientNormF0D(UnaryFunction0DDouble):
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def __init__(self, l):
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UnaryFunction0DDouble.__init__(self)
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self._l = l
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self._step = pow(2,self._l)
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def getName(self):
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return "pyViewMapGradientNormF0D"
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def __call__(self, iter):
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p = iter.getObject().getPoint2D()
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gx = ReadCompleteViewMapPixelCF(self._l, int(p.x()+self._step), int(p.y()))- ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()))
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gy = ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()+self._step))- ReadCompleteViewMapPixelCF(self._l, int(p.x()), int(p.y()))
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grad = Vector(gx, gy)
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return grad.length
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