def constrained_filling(event=None):
# left
pts1 = point_list_to_TColgp_Array1OfPnt(
(gp_Pnt(0, 0, 0.0), gp_Pnt(0, 1, 0.3), gp_Pnt(0, 2, -0.3),
gp_Pnt(0, 3, 0.15), gp_Pnt(0, 4, 0)))
# front
pts2 = point_list_to_TColgp_Array1OfPnt(
(gp_Pnt(0, 0, 0.0), gp_Pnt(1, 0, -0.3), gp_Pnt(2, 0, 0.15),
gp_Pnt(3, 0, 0), gp_Pnt(4, 0, 0)))
# back
pts3 = point_list_to_TColgp_Array1OfPnt(
(gp_Pnt(0, 4, 0), gp_Pnt(1, 4, 0.3), gp_Pnt(2, 4, -0.15),
gp_Pnt(3, 4, 0), gp_Pnt(4, 4, 1)))
# rechts
pts4 = point_list_to_TColgp_Array1OfPnt(
(gp_Pnt(4, 0, 0), gp_Pnt(4, 1, 0), gp_Pnt(4, 2,
2), gp_Pnt(4, 3, -0.15),
gp_Pnt(4, 4, 1)))
spl1, b1 = get_simple_bound(pts1)
spl2, b2 = get_simple_bound(pts2)
spl3, b3 = get_simple_bound(pts3)
spl4, b4 = get_simple_bound(pts4)
# build the constrained surface
bConstrainedFilling = GeomFill_ConstrainedFilling(8, 2)
bConstrainedFilling.Init(b1, b2, b3, b4, False)
srf1 = bConstrainedFilling.Surface()
display.EraseAll()
for i in [spl1, spl2, spl3, spl4]:
edg = BRepBuilderAPI_MakeEdge(i)
edg.Build()
_edg = edg.Shape()
display.DisplayShape(_edg)
f = BRepBuilderAPI_MakeFace(srf1, 1e-6)
f.Build()
shp = f.Shape()
return shp
def DisplayShape(self,
shapes,
material=None,
texture=None,
color=None,
transparency=None,
update=False):
'''
'''
# if a gp_Pnt is passed, first convert to vertex
if issubclass(shapes.__class__, gp_Pnt):
vertex = BRepBuilderAPI_MakeVertex(shapes)
shapes = [vertex.Shape()]
SOLO = True
elif isinstance(shapes, gp_Pnt2d):
vertex = BRepBuilderAPI_MakeVertex(
gp_Pnt(shapes.X(), shapes.Y(), 0))
shapes = [vertex.Shape()]
SOLO = True
# if a Geom_Curve is passed
elif callable(getattr(shapes, "GetHandle", None)):
handle = shapes.GetHandle()
if issubclass(handle.__class__, Handle_Geom_Curve):
edge = BRepBuilderAPI_MakeEdge(handle)
shapes = [edge.Shape()]
SOLO = True
elif issubclass(handle.__class__, Handle_Geom2d_Curve):
edge2d = BRepBuilderAPI_MakeEdge2d(handle)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(handle.__class__, Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = BRepBuilderAPI_MakeFace()
face.Init(handle, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = BRepBuilderAPI_MakeFace()
face.Init(shapes, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom_Curve):
edge = BRepBuilderAPI_MakeEdge(shapes)
shapes = [edge.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom2d_Curve):
edge2d = BRepBuilderAPI_MakeEdge2d(shapes)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(shapes.__class__, TopoDS_Shape):
shapes = [shapes]
SOLO = True
else:
SOLO = False
ais_shapes = []
for shape in shapes:
if material or texture:
if texture:
self.View.SetSurfaceDetail(OCC.V3d.V3d_TEX_ALL)
shape_to_display = OCC.AIS.AIS_TexturedShape(shape)
filename, toScaleU, toScaleV, toRepeatU, toRepeatV, originU, originV = texture.GetProperties(
)
shape_to_display.SetTextureFileName(
TCollection_AsciiString(filename))
shape_to_display.SetTextureMapOn()
shape_to_display.SetTextureScale(True, toScaleU, toScaleV)
shape_to_display.SetTextureRepeat(True, toRepeatU,
toRepeatV)
shape_to_display.SetTextureOrigin(True, originU, originV)
shape_to_display.SetDisplayMode(3)
elif material:
shape_to_display = AIS_Shape(shape)
shape_to_display.SetMaterial(material)
else:
# TODO: can we use .Set to attach all TopoDS_Shapes
# to this AIS_Shape instance?
shape_to_display = AIS_Shape(shape)
ais_shapes.append(shape_to_display.GetHandle())
if not SOLO:
# computing graphic properties is expensive
# if an iterable is found, so cluster all TopoDS_Shape under
# an AIS_MultipleConnectedInteractive
shape_to_display = AIS_MultipleConnectedInteractive()
for i in ais_shapes:
shape_to_display.Connect(i)
# set the graphic properties
if material is None:
#The default material is too shiny to show the object
#color well, so I set it to something less reflective
shape_to_display.SetMaterial(Graphic3d_NOM_NEON_GNC)
if color:
if isinstance(color, str):
color = get_color_from_name(color)
for shp in ais_shapes:
self.Context.SetColor(shp, color, False)
if transparency:
shape_to_display.SetTransparency(transparency)
if update:
# only update when explicitely told to do so
self.Context.Display(shape_to_display.GetHandle(), False)
# especially this call takes up a lot of time...
self.FitAll()
self.Repaint()
else:
self.Context.Display(shape_to_display.GetHandle(), False)
if SOLO:
return ais_shapes[0]
else:
return shape_to_display
