def expandplacementsmatrix(obj, matrix):
'''expand afine transformation down the feature tree'''
ownmatrix = matrix.multiply(obj.Placement.toMatrix())
if obj.isDerivedFrom('Part::Feature') and \
isinstance(obj.Proxy,MatrixTransform):
innermatrix = ownmatrix.multiply(obj.Matrix)
if likeprimitive(obj.Base, True): #this matrix is needed
obj.Placement = FreeCAD.Placement()
obj.Matrix = innermatrix
else: #the inner object is not a primitive
expandplacementsmatrix(obj.Base, innermatrix)
#remove the matrix object
for parent in obj.Base.InList:
replaceobj.replaceobj(parent, obj, obj.Base)
out.Document.removeObject(obj.Name)
elif likeprimitive(obj, True):
#if isspecialorthogonalpython(fcsubmatrix(ownmatrix)):
if isspecialorthogonal(ownmatrix):
obj.Placement = FreeCAD.Placement()
#this should never happen unless matrices cancel out
obj.Placement = FreeCAD.Placement(ownmatrix)
else:
newobj = doc.addObject("Part::FeaturePython", 'exp_trans')
MatrixTransform(newobj, ownmatrix,
obj) #This object is not mutable GUI
ViewProviderTree(newobj.ViewObject)
for parent in obj.InList:
replaceobj.replaceobj(
parent, obj,
newobj) # register the new object in the feature tree
obj.Placement = FreeCAD.Placement()
else: #not a primitive
for outobj in obj.OutList:
if outobj.isDerivedFrom('Part::Feature') and \
isinstance(obj.Proxy,MatrixTransform):
newmatrix = ownmatrix.multiply(obj.Matrix).multiply(\
outobj.Base.Placement.toMatrix())
if likeprimitive(outobj.Base,
True): #child of is like primtitive
outobj.Matrix = newmatrix
outobj.Base.Placement = FreeCAD.Placement()
else: #remove the MatrixTransformation
plainobj = outobj.Base
for parent in outobj.InList:
replaceobj.replaceobj(parent, outobj, plainobj)
outobj.Document.removeObject(outobj.Name)
expandplacementsmatrix(outobj, newmatrix)
else:
expandplacementsmatrix(outobj, ownmatrix)
obj.Placement = FreeCAD.Placement()
def expandplacementsmatrix(obj,matrix):
'''expand afine transformation down the feature tree'''
ownmatrix=matrix.multiply(obj.Placement.toMatrix())
if obj.isDerivedFrom('Part::Feature') and \
isinstance(obj.Proxy,MatrixTransform):
innermatrix=ownmatrix.multiply(obj.Matrix)
if likeprimitive(obj.Base,True): #this matrix is needed
obj.Placement=FreeCAD.Placement()
obj.Matrix = innermatrix
else: #the inner object is not a primitive
expandplacementsmatrix(obj.Base,innermatrix)
#remove the matrix object
for parent in obj.Base.InList:
replaceobj.replaceobj(parent,obj,obj.Base)
out.Document.removeObject(obj.Name)
elif likeprimitive(obj,True):
#if isspecialorthogonalpython(fcsubmatrix(ownmatrix)):
if isspecialorthogonal(ownmatrix):
obj.Placement=FreeCAD.Placement()
#this should never happen unless matrices cancel out
obj.Placement=FreeCAD.Placement(ownmatrix)
else:
newobj=doc.addObject("Part::FeaturePython",'exp_trans')
MatrixTransform(newobj,ownmatrix,obj) #This object is not mutable GUI
ViewProviderTree(newobj.ViewObject)
for parent in obj.InList:
replaceobj.replaceobj(parent,obj,newobj) # register the new object in the feature tree
obj.Placement=FreeCAD.Placement()
else: #not a primitive
for outobj in obj.OutList:
if outobj.isDerivedFrom('Part::Feature') and \
isinstance(obj.Proxy,MatrixTransform):
newmatrix = ownmatrix.multiply(obj.Matrix).multiply(\
outobj.Base.Placement.toMatrix())
if likeprimitive(outobj.Base,True): #child of is like primtitive
outobj.Matrix = newmatrix
outobj.Base.Placement=FreeCAD.Placement()
else: #remove the MatrixTransformation
plainobj=outobj.Base
for parent in outobj.InList:
replaceobj.replaceobj(parent,outobj,plainobj)
outobj.Document.removeObject(outobj.Name)
expandplacementsmatrix(outobj,newmatrix)
else:
expandplacementsmatrix(outobj,ownmatrix)
obj.Placement=FreeCAD.Placement()