freecad_selection.py

import FreeCAD,FreeCADGui,Part

sel = FreeCADGui.Selection.getSelection()

for o in sel:
    obj = o.Shape

#find highest bounding boxes

zmax = 0.0

for w in obj.Wires:
    if w.BoundBox.ZMax >= zmax:
        zmax = w.BoundBox.ZMax

print "Zmax = " + str(zmax)

#make list of highest wires
topwires = []

for w in obj.Wires:
    if (w.BoundBox.ZMax == zmax) and (w.BoundBox.ZMin == zmax):
        topwires.append(w)

print len(topwires)

#find largest wire -most likely on outside

outside = topwires[0]
biggest = topwires[0].BoundBox.DiagonalLength
inside = []
for t in topwires:
    if t.BoundBox.DiagonalLength >= biggest:
        biggest = t.BoundBox.DiagonalLength
        outside = t
    else:
        inside.append(t)

print outside.BoundBox.DiagonalLength

for i in inside:
    print i.BoundBox.DiagonalLength

######################################################

sel = FreeCADGui.Selection.getSelection()

for o in sel:
    obj = o.Shape

Ztop = obj.BoundBox.ZMax
Zbottom = obj.BoundBox.ZMin

wires = obj.Wires
outside = wires[0]
biggest = wires[0].BoundBox.DiagonalLength
inside = []
for w in wires:
    #acquire largest profile
    if w.BoundBox.DiagonalLength >= biggest:
        biggest = w.BoundBox.DiagonalLength
        outside = w
    #make list of inside profiles that are not lines going straight up and down
    else:
        if  (w.BoundBox.ZMin <> Zbottom):
            if (w.BoundBox.ZMax <> w.BoundBox.ZMin) :
                pass

            else:
                inside.append(w)


print outside.BoundBox.DiagonalLength

for d in inside:
    print d.BoundBox.DiagonalLength


sel = FreeCADGui.Selection.getSelection()

for o in sel:
    obj = o.Shape


#find faces that are on outside profile with fillets
faces = obj.Faces
outerwires = []
facelist = []
for f in faces:
    if f.BoundBox.ZLength >= .0001:
        print "ZMax: "+str(f.BoundBox.ZMax)+" ZMin: "+str(f.BoundBox.ZMin)+" ZLen: "+str(f.BoundBox.ZLength)
        facelist.append(f)

print len(obj.Faces)
print len(facelist)

Ztop = obj.BoundBox.ZMax

wirelist = []
for f in facelist:
    print f.BoundBox

import Part
from FreeCAD import Base, Vector
import FreeCAD,FreeCADGui,Part

sel = FreeCADGui.Selection.getSelection()

for o in sel:
    obj = o.Shape

Zlevel = (obj.BoundBox.ZMax-obj.BoundBox.ZMin)/2.0

wires = obj.slice(Base.Vector(0,0,1),Zlevel)
comp=Part.Compound(wires)
slice=FreeCAD.getDocument("freecad_blob_for_cnc").addObject("Part::Feature","Milled Edges")
slice.Shape=comp



outside = slice.Shape.Wires[0]
biggest = slice.Shape.Wires[0].BoundBox.DiagonalLength
inside = []
for t in slice.Shape.Wires:
    if t.BoundBox.DiagonalLength >= biggest:
        biggest = t.BoundBox.DiagonalLength
        outside = t
    else:
        inside.append(t)