def alignToPointAndAxis(self, point, axis, offset, upvec=None):
self.doc = FreeCAD.ActiveDocument
self.axis = axis;
self.axis.normalize()
if (fcvec.equals(axis, Vector(1,0,0))):
self.u = Vector(0,1,0)
self.v = Vector(0,0,1)
elif (fcvec.equals(axis, Vector(-1,0,0))):
self.u = Vector(0,-1,0)
self.v = Vector(0,0,1)
elif upvec:
self.v = upvec
self.v.normalize()
self.u = self.v.cross(self.axis)
else:
self.v = axis.cross(Vector(1,0,0))
self.v.normalize()
self.u = fcvec.rotate(self.v, -math.pi/2, self.axis)
offsetVector = Vector(axis); offsetVector.multiply(offset)
self.position = point.add(offsetVector)
self.weak = False
def alignToPointAndAxis(self, point, axis, offset, upvec=None):
self.doc = FreeCAD.ActiveDocument
self.axis = axis
self.axis.normalize()
if (fcvec.equals(axis, Vector(1, 0, 0))):
self.u = Vector(0, 1, 0)
self.v = Vector(0, 0, 1)
elif (fcvec.equals(axis, Vector(-1, 0, 0))):
self.u = Vector(0, -1, 0)
self.v = Vector(0, 0, 1)
elif upvec:
self.v = upvec
self.v.normalize()
self.u = self.v.cross(self.axis)
else:
self.v = axis.cross(Vector(1, 0, 0))
self.v.normalize()
self.u = fcvec.rotate(self.v, -math.pi / 2, self.axis)
offsetVector = Vector(axis)
offsetVector.multiply(offset)
self.position = point.add(offsetVector)
self.weak = False
def calc(self):
import Part
if (self.p1 != None) and (self.p2 != None):
points = [fcvec.tup(self.p1,True),fcvec.tup(self.p2,True),\
fcvec.tup(self.p1,True),fcvec.tup(self.p2,True)]
if self.p3 != None:
p1 = self.p1
p4 = self.p2
if fcvec.equals(p1,p4):
proj = None
else:
base = Part.Line(p1,p4).toShape()
proj = fcgeo.findDistance(self.p3,base)
if not proj:
p2 = p1
p3 = p4
else:
p2 = p1.add(fcvec.neg(proj))
p3 = p4.add(fcvec.neg(proj))
points = [fcvec.tup(p1),fcvec.tup(p2),fcvec.tup(p3),fcvec.tup(p4)]
self.coords.point.setValues(0,4,points)
