예제 #1
0
    def DisplayShape(self,
                     shapes,
                     material=None,
                     texture=None,
                     color=None,
                     transparency=None,
                     update=False):
        """ display one or a set of displayable objects
        """
        ais_shapes = []  # the list of all displayed shapes

        if issubclass(shapes.__class__, gp_Pnt):
            # if a gp_Pnt is passed, first convert to vertex
            vertex = BRepBuilderAPI_MakeVertex(shapes)
            shapes = [vertex.Shape()]
        elif isinstance(shapes, gp_Pnt2d):
            vertex = BRepBuilderAPI_MakeVertex(
                gp_Pnt(shapes.X(), shapes.Y(), 0))
            shapes = [vertex.Shape()]
        elif isinstance(shapes, Geom_Surface):
            bounds = True
            toldegen = 1e-6
            face = BRepBuilderAPI_MakeFace()
            face.Init(shapes, bounds, toldegen)
            face.Build()
            shapes = [face.Shape()]
        elif isinstance(shapes, Geom_Curve):
            edge = BRepBuilderAPI_MakeEdge(shapes)
            shapes = [edge.Shape()]
        elif isinstance(shapes, Geom2d_Curve):
            edge2d = BRepBuilderAPI_MakeEdge2d(shapes)
            shapes = [edge2d.Shape()]
        # if only one shapes, create a list with a single shape
        if not isinstance(shapes, list):
            shapes = [shapes]
        # build AIS_Shapes list
        for shape in shapes:
            if material or texture:
                if texture:
                    shape_to_display = 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(
                        Graphic3d_MaterialAspect(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)

        # 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 ais_shp in ais_shapes:
        #         # TODO : following line crashes with oce-0.18
        #         # why ? fix ?
        #         #shape_to_display.Connect(i)
        #         self.Context.Display(ais_shp, False)
        # 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
            for shape_to_display in ais_shapes:
                shape_to_display.SetMaterial(
                    Graphic3d_MaterialAspect(Graphic3d_NOM_NEON_GNC))
        if color:
            if isinstance(color, str):
                color = get_color_from_name(color)
            elif isinstance(color, int):
                color = Quantity_Color(color)
            for shp in ais_shapes:
                self.Context.SetColor(shp, color, False)
        if transparency:
            for shape_to_display in ais_shapes:
                shape_to_display.SetTransparency(transparency)
        # display the shapes
        for shape_to_display in ais_shapes:
            self.Context.Display(shape_to_display, False)
        if update:
            # especially this call takes up a lot of time...
            self.FitAll()
            self.Repaint()

        return ais_shapes
예제 #2
0
    def DisplayShape(self,
                     shapes,
                     material=None,
                     texture=None,
                     color=None,
                     transparency=None,
                     update=False):
        """ display one or a set of displayable objects
        """
        SOLO = False  # assume multiple instances by default
        # 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

        ais_shapes = []

        for shape in shapes:
            if material or texture:
                if texture:
                    self.View.SetSurfaceDetail(V3d_TEX_ALL)
                    shape_to_display = 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 ais_shp in ais_shapes:
                # TODO : following line crashes with oce-0.18
                # why ? fix ?
                #shape_to_display.Connect(i)
                self.Context.Display(ais_shp, False)
            shape_to_display = ais_shapes
            return shape_to_display
        # 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