Changeset View

Standalone View

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	point = mathutils.Vector((0, 0))	point = mathutils.Vector((0, 0))

	for i, vert in enumerate(QVerts):	for i, vert in enumerate(QVerts):
	point += binom(order, i) * math.pow(t, i) * math.pow(1-t, order-i) * vert	point += binom(order, i) * t ** i * (1 - t) ** (order - i) * vert
	deriv = point	deriv = point

	return deriv	return deriv
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	# get curvature from first, second derivative	# get curvature from first, second derivative
	def getCurvature(deriv1, deriv2):	def getCurvature(deriv1, deriv2):
	if deriv1.length == 0: # in case of points in straight line	if deriv1.length == 0: # in case of points in straight line
	curvature = 0	return 0
	return curvature	return deriv1.cross(deriv2).length / deriv1.length ** 3
	curvature = (deriv1.cross(deriv2)).length / math.pow(deriv1.length, 3)
	return curvature

	#########################################	#########################################
	#### Ramer-Douglas-Peucker algorithm ####	#### Ramer-Douglas-Peucker algorithm ####
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