def joinFaces(objectslist):
"""makes one big face from selected objects, if possible"""
faces = []
for obj in objectslist:
faces.extend(obj.Shape.Faces)
u = faces.pop(0)
for f in faces:
u = u.fuse(f)
if DraftGeomUtils.isCoplanar(faces):
u = DraftGeomUtils.concatenate(u)
if not DraftGeomUtils.hasCurves(u):
# several coplanar and non-curved faces: they can become a Draft wire
newobj = makeWire(u.Wires[0],closed=True,face=True)
else:
# if not possible, we do a non-parametric union
newobj = App.ActiveDocument.addObject("Part::Feature","Union")
newobj.Shape = u
addList.append(newobj)
deleteList.extend(objectslist)
return newobj
return None
def execute(self, obj):
import Part
plm = obj.Placement
if obj.Base and (not obj.Tool):
if obj.Base.isDerivedFrom("Sketcher::SketchObject"):
shape = obj.Base.Shape.copy()
if obj.Base.Shape.isClosed():
if hasattr(obj, "MakeFace"):
if obj.MakeFace:
shape = Part.Face(shape)
else:
shape = Part.Face(shape)
obj.Shape = shape
elif obj.Base and obj.Tool:
if hasattr(obj.Base, 'Shape') and hasattr(obj.Tool, 'Shape'):
if (not obj.Base.Shape.isNull()) and (
not obj.Tool.Shape.isNull()):
sh1 = obj.Base.Shape.copy()
sh2 = obj.Tool.Shape.copy()
shape = sh1.fuse(sh2)
if DraftGeomUtils.isCoplanar(shape.Faces):
shape = DraftGeomUtils.concatenate(shape)
obj.Shape = shape
p = []
for v in shape.Vertexes:
p.append(v.Point)
if obj.Points != p: obj.Points = p
elif obj.Points:
if obj.Points[0] == obj.Points[-1]:
if not obj.Closed: obj.Closed = True
obj.Points.pop()
if obj.Closed and (len(obj.Points) > 2):
pts = obj.Points
if hasattr(obj, "Subdivisions"):
if obj.Subdivisions > 0:
npts = []
for i in range(len(pts)):
p1 = pts[i]
npts.append(pts[i])
if i == len(pts) - 1:
p2 = pts[0]
else:
p2 = pts[i + 1]
v = p2.sub(p1)
v = DraftVecUtils.scaleTo(
v, v.Length / (obj.Subdivisions + 1))
for j in range(obj.Subdivisions):
npts.append(
p1.add(App.Vector(v).multiply(j + 1)))
pts = npts
shape = Part.makePolygon(pts + [pts[0]])
if "ChamferSize" in obj.PropertiesList:
if obj.ChamferSize.Value != 0:
w = DraftGeomUtils.filletWire(shape,
obj.ChamferSize.Value,
chamfer=True)
if w:
shape = w
if "FilletRadius" in obj.PropertiesList:
if obj.FilletRadius.Value != 0:
w = DraftGeomUtils.filletWire(shape,
obj.FilletRadius.Value)
if w:
shape = w
try:
if hasattr(obj, "MakeFace"):
if obj.MakeFace:
shape = Part.Face(shape)
else:
shape = Part.Face(shape)
except Part.OCCError:
pass
else:
edges = []
pts = obj.Points[1:]
lp = obj.Points[0]
for p in pts:
if not DraftVecUtils.equals(lp, p):
if hasattr(obj, "Subdivisions"):
if obj.Subdivisions > 0:
npts = []
v = p.sub(lp)
v = DraftVecUtils.scaleTo(
v, v.Length / (obj.Subdivisions + 1))
edges.append(
Part.LineSegment(lp, lp.add(v)).toShape())
lv = lp.add(v)
for j in range(obj.Subdivisions):
edges.append(
Part.LineSegment(lv,
lv.add(v)).toShape())
lv = lv.add(v)
else:
edges.append(Part.LineSegment(lp, p).toShape())
else:
edges.append(Part.LineSegment(lp, p).toShape())
lp = p
try:
shape = Part.Wire(edges)
except Part.OCCError:
print("Error wiring edges")
shape = None
if "ChamferSize" in obj.PropertiesList:
if obj.ChamferSize.Value != 0:
w = DraftGeomUtils.filletWire(shape,
obj.ChamferSize.Value,
chamfer=True)
if w:
shape = w
if "FilletRadius" in obj.PropertiesList:
if obj.FilletRadius.Value != 0:
w = DraftGeomUtils.filletWire(shape,
obj.FilletRadius.Value)
if w:
shape = w
if shape:
obj.Shape = shape
if hasattr(obj, "Area") and hasattr(shape, "Area"):
obj.Area = shape.Area
if hasattr(obj, "Length"):
obj.Length = shape.Length
obj.Placement = plm
obj.positionBySupport()
self.onChanged(obj, "Placement")
