def glue_solids_edges(event=None):
# With common edges
S3 = BRepPrimAPI_MakeBox(500.,400.,300.).Shape()
S4 = BRepPrimAPI_MakeBox(gp_Pnt(0.,0.,300.),gp_Pnt(200.,200.,500.)).Shape()
ex3, ex4 = TopExp_Explorer(S3, TopAbs_FACE), TopExp_Explorer(S4, TopAbs_FACE)
for a in range(5):
ex3.Next()
for b in range(4):
ex4.Next()
F3, F4 = TopoDS.TopoDS_face(ex3.Current()), TopoDS.TopoDS_face(ex4.Current())
glue2 = BRepFeat_Gluer(S4,S3)
glue2.Bind(F4,F3)
common_edges = LocOpe_FindEdges(F4,F3)
common_edges.InitIterator()
print 'loop common edges', common_edges.More()
while common_edges.More():
print 'common edges',common_edges.EdgeFrom(),common_edges.EdgeTo()
glue2.Bind(common_edges.EdgeFrom(),common_edges.EdgeTo())
common_edges.Next()
display.EraseAll()
glue2.Build()
display.DisplayShape(glue2.Shape())
def split_shape(event=None):
S = BRepPrimAPI_MakeBox(gp_Pnt(-100,-60,-80),150,200,170).Shape()
asect = BRepAlgoAPI_Section(S, gp_Pln(1,2,1,-15),False)
asect.ComputePCurveOn1(True)
asect.Approximation(True)
asect.Build()
R = asect.Shape()
asplit = BRepFeat_SplitShape(S)
for edg in Topo(R).edges():
face = TopoDS.TopoDS_face(TopoDS.TopoDS_Shape())
if asect.HasAncestorFaceOn1(edg, face):
asplit.Add(edg, face)
asplit.Build()
display.EraseAll()
display.DisplayShape(asplit.Shape())
def extrusion(event=None):
#
# Make a box
#
Box = BRepPrimAPI_MakeBox(400.,250.,300.)
S = Box.Shape()
#
# Choose the first Face of the box
#
Ex = TopExp_Explorer()
Ex.Init(S,TopAbs_FACE)
Ex.Next()
F = TopoDS.TopoDS_face(Ex.Current())
surf = BRep_Tool_Surface(F)
#
# Make a plane from this face
#
Pl = Handle_Geom_Plane_DownCast(surf)
Pln = Pl.GetObject()
#
# Get the normal of this plane. This will be the direction of extrusion.
#
D = Pln.Axis().Direction()
#
# Inverse normal
#
D.Reverse()
#
# Create the 2D planar sketch
#
MW = BRepBuilderAPI_MakeWire()
p1 = gp_Pnt2d(200.,-100.)
p2 = gp_Pnt2d(100.,-100.)
aline = GCE2d_MakeLine(p1,p2).Value()
Edge1 = BRepBuilderAPI_MakeEdge(aline,surf,0.,p1.Distance(p2))
MW.Add(Edge1.Edge())
p1 = p2
p2 = gp_Pnt2d(100.,-200.)
aline = GCE2d_MakeLine(p1,p2).Value()
Edge2 = BRepBuilderAPI_MakeEdge(aline,surf,0.,p1.Distance(p2))
MW.Add(Edge2.Edge())
p1 = p2
p2 = gp_Pnt2d(200.,-200.)
aline = GCE2d_MakeLine(p1,p2).Value()
Edge3 = BRepBuilderAPI_MakeEdge(aline,surf,0.,p1.Distance(p2))
MW.Add(Edge3.Edge())
p1 = p2
p2 = gp_Pnt2d(200.,-100.)
aline = GCE2d_MakeLine(p1,p2).Value()
Edge4 = BRepBuilderAPI_MakeEdge(aline,surf,0.,p1.Distance(p2))
MW.Add(Edge4.Edge())
#
# Build Face from Wire. NB: a face is required to generate a solid.
#
MKF = BRepBuilderAPI_MakeFace()
MKF.Init(surf,False, 1e-6)
MKF.Add(MW.Wire())
FP = MKF.Face()
BRepLib_BuildCurves3d(FP)
MKP = BRepFeat_MakePrism(S,FP,F,D,0,True)
MKP.Perform(200.)
res1 = MKP.Shape()
display.EraseAll()
display.DisplayColoredShape(res1,'BLUE')