def falsecolour(results, minval, maxval):
res_colours = []
for result in results:
r, g, b = pseudocolor(result, minval, maxval)
colour = OCCViewer.rgb_color(r, g, b)
res_colours.append(colour)
return res_colours
def DisplayShape(self,
shapes,
material=None,
texture=None,
color=None,
transparency=None,
update=False,
fit=False):
# if a gp_Pnt is passed, first convert to vertex
if issubclass(shapes.__class__, OCCViewer.gp_Pnt):
vertex = OCCViewer.BRepBuilderAPI_MakeVertex(shapes)
shapes = [vertex.Shape()]
SOLO = True
elif isinstance(shapes, OCCViewer.gp_Pnt2d):
vertex = OCCViewer.BRepBuilderAPI_MakeVertex(
OCCViewer.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__, OCCViewer.Handle_Geom_Curve):
edge = OCCViewer.BRepBuilderAPI_MakeEdge(handle)
shapes = [edge.Shape()]
SOLO = True
elif issubclass(handle.__class__, OCCViewer.Handle_Geom2d_Curve):
edge2d = OCCViewer.BRepBuilderAPI_MakeEdge2d(handle)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(handle.__class__, OCCViewer.Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = OCCViewer.BRepBuilderAPI_MakeFace()
face.Init(handle, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, OCCViewer.Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = OCCViewer.BRepBuilderAPI_MakeFace()
face.Init(shapes, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, OCCViewer.Handle_Geom_Curve):
edge = OCCViewer.BRepBuilderAPI_MakeEdge(shapes)
shapes = [edge.Shape()]
SOLO = True
elif isinstance(shapes, OCCViewer.Handle_Geom2d_Curve):
edge2d = OCCViewer.BRepBuilderAPI_MakeEdge2d(shapes)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(shapes.__class__, OCCViewer.TopoDS_Shape):
shapes = [shapes]
SOLO = True
else:
SOLO = False
ais_shapes = []
for shape in shapes:
if material or texture:
if texture:
self.View.SetSurfaceDetail(OCCViewer.OCC.V3d.V3d_TEX_ALL)
shape_to_display = OCCViewer.OCC.AIS.AIS_TexturedShape(
shape)
(filename, toScaleU, toScaleV, toRepeatU, toRepeatV,
originU, originV) = texture.GetProperties()
shape_to_display.SetTextureFileName(
OCCViewer.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 = OCCViewer.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 = OCCViewer.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 = OCCViewer.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(OCCViewer.Graphic3d_NOM_NEON_GNC)
if color:
if isinstance(color, str):
if color.startswith("#"):
r, g, b, a = self.ParseColor(color)
if a is not None:
transparency = a
color = OCCViewer.rgb_color(r, g, b)
else:
color = OCCViewer.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...
if fit:
self.FitAll()
self.Repaint()
else:
self.Context.Display(shape_to_display.GetHandle(), False)
if SOLO:
return ais_shapes[0]
else:
return shape_to_display
