Open CASCADE Technology
7.4.0
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One of the most significant aspects of BRepFeat functionality is the use of local operations as opposed to global ones. In a global operation, you would first construct a form of the type you wanted in your final feature, and then remove matter so that it could fit into your initial basis object. In a local operation, however, you specify the domain of the feature construction with aspects of the shape on which the feature is being created. These semantics are expressed in terms of a member shape of the basis shape from which - or up to which - matter will be added or removed. As a result, local operations make calculations simpler and faster than global operations. Glueing uses wires or edges of a face in the basis shape. These are to become a part of the feature. They are first cut out and then projected to a plane outside or inside the basis shape. By rebuilding the initial shape incorporating the edges and the faces of the tool, protrusion features can be constructed. More...
#include <BRepFeat_Gluer.hxx>
Public Member Functions | |
BRepFeat_Gluer () | |
Initializes an empty constructor. More... | |
BRepFeat_Gluer (const TopoDS_Shape &Snew, const TopoDS_Shape &Sbase) | |
Initializes the shapes to be glued, the new shape Snew and the basis shape Sbase. More... | |
void | Init (const TopoDS_Shape &Snew, const TopoDS_Shape &Sbase) |
Initializes the new shape Snew and the basis shape Sbase for the local glueing operation. More... | |
void | Bind (const TopoDS_Face &Fnew, const TopoDS_Face &Fbase) |
Defines a contact between Fnew on the new shape Snew and Fbase on the basis shape Sbase. Informs other methods that Fnew in the new shape Snew is connected to the face Fbase in the basis shape Sbase. The contact faces of the glued shape must not have parts outside the contact faces of the basis shape. This indicates that glueing is possible. More... | |
void | Bind (const TopoDS_Edge &Enew, const TopoDS_Edge &Ebase) |
nforms other methods that the edge Enew in the new shape is the same as the edge Ebase in the basis shape and is therefore attached to the basis shape. This indicates that glueing is possible. More... | |
LocOpe_Operation | OpeType () const |
Determine which operation type to use glueing or sliding. More... | |
const TopoDS_Shape & | BasisShape () const |
Returns the basis shape of the compound shape. More... | |
const TopoDS_Shape & | GluedShape () const |
Returns the resulting compound shape. More... | |
virtual void | Build () override |
This is called by Shape(). It does nothing but may be redefined. More... | |
virtual Standard_Boolean | IsDeleted (const TopoDS_Shape &F) override |
returns the status of the Face after the shape creation. More... | |
virtual const TopTools_ListOfShape & | Modified (const TopoDS_Shape &F) override |
returns the list of generated Faces. More... | |
Public Member Functions inherited from BRepBuilderAPI_MakeShape | |
virtual const TopoDS_Shape & | Shape () |
Returns a shape built by the shape construction algorithm. Raises exception StdFail_NotDone if the shape was not built. More... | |
operator TopoDS_Shape () | |
virtual const TopTools_ListOfShape & | Generated (const TopoDS_Shape &S) |
Returns the list of shapes generated from the shape <S>. More... | |
Public Member Functions inherited from BRepBuilderAPI_Command | |
virtual | ~BRepBuilderAPI_Command () |
virtual Standard_Boolean | IsDone () const |
void | Check () const |
Raises NotDone if done is false. More... | |
Additional Inherited Members | |
Protected Member Functions inherited from BRepBuilderAPI_MakeShape | |
BRepBuilderAPI_MakeShape () | |
Protected Member Functions inherited from BRepBuilderAPI_Command | |
BRepBuilderAPI_Command () | |
Set done to False. More... | |
void | Done () |
Set done to true. More... | |
void | NotDone () |
Set done to false. More... | |
Protected Attributes inherited from BRepBuilderAPI_MakeShape | |
TopoDS_Shape | myShape |
TopTools_ListOfShape | myGenerated |
One of the most significant aspects of BRepFeat functionality is the use of local operations as opposed to global ones. In a global operation, you would first construct a form of the type you wanted in your final feature, and then remove matter so that it could fit into your initial basis object. In a local operation, however, you specify the domain of the feature construction with aspects of the shape on which the feature is being created. These semantics are expressed in terms of a member shape of the basis shape from which - or up to which - matter will be added or removed. As a result, local operations make calculations simpler and faster than global operations. Glueing uses wires or edges of a face in the basis shape. These are to become a part of the feature. They are first cut out and then projected to a plane outside or inside the basis shape. By rebuilding the initial shape incorporating the edges and the faces of the tool, protrusion features can be constructed.
BRepFeat_Gluer::BRepFeat_Gluer | ( | ) |
Initializes an empty constructor.
BRepFeat_Gluer::BRepFeat_Gluer | ( | const TopoDS_Shape & | Snew, |
const TopoDS_Shape & | Sbase | ||
) |
Initializes the shapes to be glued, the new shape Snew and the basis shape Sbase.
const TopoDS_Shape& BRepFeat_Gluer::BasisShape | ( | ) | const |
Returns the basis shape of the compound shape.
void BRepFeat_Gluer::Bind | ( | const TopoDS_Face & | Fnew, |
const TopoDS_Face & | Fbase | ||
) |
Defines a contact between Fnew on the new shape Snew and Fbase on the basis shape Sbase. Informs other methods that Fnew in the new shape Snew is connected to the face Fbase in the basis shape Sbase. The contact faces of the glued shape must not have parts outside the contact faces of the basis shape. This indicates that glueing is possible.
void BRepFeat_Gluer::Bind | ( | const TopoDS_Edge & | Enew, |
const TopoDS_Edge & | Ebase | ||
) |
nforms other methods that the edge Enew in the new shape is the same as the edge Ebase in the basis shape and is therefore attached to the basis shape. This indicates that glueing is possible.
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overridevirtual |
This is called by Shape(). It does nothing but may be redefined.
Reimplemented from BRepBuilderAPI_MakeShape.
const TopoDS_Shape& BRepFeat_Gluer::GluedShape | ( | ) | const |
Returns the resulting compound shape.
void BRepFeat_Gluer::Init | ( | const TopoDS_Shape & | Snew, |
const TopoDS_Shape & | Sbase | ||
) |
Initializes the new shape Snew and the basis shape Sbase for the local glueing operation.
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overridevirtual |
returns the status of the Face after the shape creation.
Reimplemented from BRepBuilderAPI_MakeShape.
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overridevirtual |
returns the list of generated Faces.
Reimplemented from BRepBuilderAPI_MakeShape.
LocOpe_Operation BRepFeat_Gluer::OpeType | ( | ) | const |
Determine which operation type to use glueing or sliding.