def _reducedVerticesCrossProduct(self):
a, b, c = self.reducedVertices
return cross(b, c), cross(c, a), cross(a, b)
to perform the operation safely you should provide
space dimension (as "size" parameter for
either point or line point or line direction).
Assuming space dimension is 2
(elseware lots of perpendicular lines wrt the point and the line exist)
'''
pWarn(s)
else:
raise SpaceFuncsException('for space dimension > 2 you should have point outside of the line')
return Line(point, direction=ooarray(line.direction[1], -line.direction[0]))
else:
return Line(point, projection)
# TODO: add unknown spaceDimension warning
_perpendicularToPlane=lambda point, plane:\
Line(point, direction=cross(*plane.directions)) \
if point.size is 3 or plane.basePoint.size is 3 or plane.directions[1].size is 3 or plane.directions[1].size is 3\
else Line(point, point.projection(plane))
#TODO: intersection of plane & line
def _contains(obj, p, tol, inside = False):
assert isinstance(p, Point), 'implemented only for Point yet'
if isinstance(obj, (Line, Plane)):
P = p.projection(obj)
if isinstance(P, ndarray) and str(p.dtype) != 'object':
return norm(p - P) <= tol
else:
return (p == P)(tol=tol)
elif isinstance(obj, (Ring, Orb)):
(elseware lots of perpendicular lines wrt the point and the line exist)
'''
pWarn(s)
else:
raise SpaceFuncsException(
'for space dimension > 2 you should have point outside of the line'
)
return Line(point,
direction=ooarray(line.direction[1], -line.direction[0]))
else:
return Line(point, projection)
# TODO: add unknown spaceDimension warning
_perpendicularToPlane=lambda point, plane:\
Line(point, direction=cross(*plane.directions)) \
if point.size is 3 or plane.basePoint.size is 3 or plane.directions[1].size is 3 or plane.directions[1].size is 3\
else Line(point, point.projection(plane))
#TODO: intersection of plane & line
def _contains(obj, p, tol, inside=False):
assert isinstance(p, Point), 'implemented only for Point yet'
if isinstance(obj, (Line, Plane)):
P = p.projection(obj)
if isinstance(P, ndarray) and str(p.dtype) != 'object':
return norm(p - P) <= tol
else:
return (p == P)(tol=tol)
elif isinstance(obj, (Ring, Orb)):