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1. Add a mirror function into CQ class(wrap) and Shape class(implement); 2. To get precise BoundBox, add tessellate(0.000001) in the BoundBox function implement......

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This commit is contained in:
Youbao Zhang 2015-12-30 14:08:49 +00:00
parent f6a4222e3a
commit 3186b68b05
2 changed files with 27 additions and 0 deletions
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13
cadquery/cq.py
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@ -742,6 +742,19 @@ class CQ(object):
return self.newObject([o.rotate(axisStartPoint, axisEndPoint, angleDegrees) return self.newObject([o.rotate(axisStartPoint, axisEndPoint, angleDegrees)
for o in self.objects]) for o in self.objects])
def mirror(self, mirrorPlane="XY", basePointVector=(0, 0, 0)):
"""
Mirror a single CQ object. This operation is the same as in the FreeCAD PartWB's mirroring
:param mirrorPlane: the plane to mirror about
:type mirrorPlane: string, one of "XY", "YX", "XZ", "ZX", "YZ", "ZY" the planes
:param basePointVector: the base point to mirror about
:type basePointVector: tuple
"""
newS = self.newObject([self.objects[0].mirror(mirrorPlane, basePointVector)])
return newS.first()
def translate(self, vec): def translate(self, vec):
""" """
Returns a copy of all of the items on the stack moved by the specified translation vector. Returns a copy of all of the items on the stack moved by the specified translation vector.

14
cadquery/freecad_impl/shapes.py
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@ -185,8 +185,22 @@ class Shape(object):
return self.wrapped.isValid() return self.wrapped.isValid()
def BoundingBox(self): def BoundingBox(self):
self.wrapped.tessellate(0.000001)
return BoundBox(self.wrapped.BoundBox) return BoundBox(self.wrapped.BoundBox)
def mirror(self, mirrorPlane="XY", basePointVector=(0, 0, 0)):
if mirrorPlane == "XY" or mirrorPlane== "YX":
mirrorPlaneNormalVector = FreeCAD.Base.Vector(0, 0, 1)
elif mirrorPlane == "XZ" or mirrorPlane == "ZX":
mirrorPlaneNormalVector = FreeCAD.Base.Vector(0, 1, 0)
elif mirrorPlane == "YZ" or mirrorPlane == "ZY":
mirrorPlaneNormalVector = FreeCAD.Base.Vector(1, 0, 0)
if type(basePointVector) == tuple:
basePointVector = Vector(basePointVector)
return Shape.cast(self.wrapped.mirror(basePointVector.wrapped, mirrorPlaneNormalVector))
def Center(self): def Center(self):
# A Part.Shape object doesn't have the CenterOfMass function, but it's wrapped Solid(s) does # A Part.Shape object doesn't have the CenterOfMass function, but it's wrapped Solid(s) does
if isinstance(self.wrapped, FreeCADPart.Shape): if isinstance(self.wrapped, FreeCADPart.Shape):