Open CASCADE Technology
6.8.0
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This class provides custom mesh sensitive entity used in advanced mesh selection. More...
#include <MeshVS_SensitiveMesh.hxx>
Public Member Functions | |
MeshVS_SensitiveMesh (const Handle< SelectBasics_EntityOwner > &theOwner, const Standard_Integer theMode=0) | |
Standard_Integer | GetMode () const |
virtual Handle < Select3D_SensitiveEntity > | GetConnected (const TopLoc_Location &aLocation) |
Originally this method intended to return sensitive entity with new location aLocation, but currently sensitive entities do not hold a location, instead HasLocation() and Location() methods call corresponding entity owner's methods. Thus all entities returned by GetConnected() share the same location propagated from corresponding selectable object. You must redefine this function for any type of sensitive entity which can accept another connected sensitive entity.//can be connected to another sensitive entity. More... | |
virtual Standard_Boolean | Matches (const SelectBasics_PickArgs &thePickArgs, Standard_Real &theMatchDMin, Standard_Real &theMatchDepth) |
Checks whether the sensitive entity matches the picking detection area (close to the picking line). This method takes into account depth limits produced by abstract view: far/near planes, clippings. Please port existing implementations of your picking detection, which were done at Matches (X, Y, Tol, DMin) method to this one, introducing the depth checks. Please note that the previous method is suppressed and the virtual implementations are not used by OCC selection framework. The porting procedure for simple sensitives (or if you are not interested in implementing full scale depth checks) can be simplified to writing the following code snippet: More... | |
virtual Standard_Boolean | Matches (const Standard_Real XMin, const Standard_Real YMin, const Standard_Real XMax, const Standard_Real YMax, const Standard_Real aTol) |
Matches the box defined by the coordinates Xmin, Ymin, Xmax, Ymax with the entity found at that point within the tolerance aTol. Xmin, YMin define the minimum point in the lower left hand corner of the box, and XMax, YMax define the maximum point in the upper right hand corner of the box. You must redefine this function for every inheriting entity. You will have to call this framework inside the redefined function. More... | |
virtual Standard_Boolean | Matches (const TColgp_Array1OfPnt2d &Polyline, const Bnd_Box2d &aBox, const Standard_Real aTol) |
prevents from hiding virtual methods... More... | |
void | Project (const Handle< Select3D_Projector > &aProjector) |
In classes inheriting this framework, you must redefine this function in order to get a sensitive 2D rectangle from a 3D entity. This rectangle is the sensitive zone which makes the 3D entity selectable. More... | |
void | Areas (SelectBasics_ListOfBox2d &boxes) |
to be implemented specifically by each type of sensitive primitive . More... | |
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Standard_Boolean | NeedsConversion () const |
Returns true if this framework needs conversion. More... | |
Standard_Boolean | Is3D () const |
Returns true if this framework provides 3D information. More... | |
virtual Standard_Integer | MaxBoxes () const |
Returns the max number of sensitive areas returned by this class is 1 by default. Else on must redefine this method. More... | |
virtual Standard_Boolean | HasLocation () const |
Returns true if this framework has a location defined. More... | |
virtual const TopLoc_Location | Location () const |
virtual void | ResetLocation () |
sets the location to Identity More... | |
virtual void | SetLocation (const TopLoc_Location &aLoc) |
virtual void | Dump (Standard_OStream &S, const Standard_Boolean FullDump=Standard_True) const |
2 options : <FullDump> = False -> general information <FullDump> = True -> whole informtion 3D +2d ... More... | |
void | UpdateLocation (const TopLoc_Location &aLoc) |
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virtual void | Set (const Handle< SelectBasics_EntityOwner > &TheOwnerId) |
const Handle < SelectBasics_EntityOwner > & | OwnerId () const |
void | SetSensitivityFactor (const Standard_ShortReal aFactor) |
Standard_ShortReal | SensitivityFactor () const |
allows a better sensitivity for a specific entity in selection algorithms useful for small sized entities. More... | |
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virtual void | Delete () const |
Memory deallocator for transient classes. More... | |
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Standard_Transient () | |
Empty constructor. More... | |
Standard_Transient (const Standard_Transient &) | |
Copy constructor – does nothing. More... | |
Standard_Transient & | operator= (const Standard_Transient &) |
Assignment operator, needed to avoid copying reference counter. More... | |
virtual | ~Standard_Transient () |
Destructor must be virtual. More... | |
virtual const Handle_Standard_Type & | DynamicType () const |
Returns a type information object about this object. More... | |
Standard_Boolean | IsInstance (const Handle_Standard_Type &theType) const |
Returns a true value if this is an instance of Type. More... | |
Standard_Boolean | IsInstance (const Standard_CString theTypeName) const |
Returns a true value if this is an instance of TypeName. More... | |
Standard_Boolean | IsKind (const Handle_Standard_Type &theType) const |
Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
Standard_Boolean | IsKind (const Standard_CString theTypeName) const |
Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
virtual Handle_Standard_Transient | This () const |
Returns a Handle which references this object. Must never be called to objects created in stack. More... | |
Standard_Integer | GetRefCount () const |
Get the reference counter of this object. More... | |
Additional Inherited Members | |
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static void | DumpBox (Standard_OStream &S, const Bnd_Box2d &abox) |
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Select3D_SensitiveEntity (const Handle< SelectBasics_EntityOwner > &OwnerId) | |
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SelectBasics_SensitiveEntity (const Handle< SelectBasics_EntityOwner > &OwnerId, const Standard_ShortReal aSensitivityFactor=1) | |
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Handle< SelectBasics_EntityOwner > | myOwnerId |
This class provides custom mesh sensitive entity used in advanced mesh selection.
MeshVS_SensitiveMesh::MeshVS_SensitiveMesh | ( | const Handle< SelectBasics_EntityOwner > & | theOwner, |
const Standard_Integer | theMode = 0 |
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to be implemented specifically by each type of sensitive primitive .
Implements SelectBasics_SensitiveEntity.
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Originally this method intended to return sensitive entity with new location aLocation, but currently sensitive entities do not hold a location, instead HasLocation() and Location() methods call corresponding entity owner's methods. Thus all entities returned by GetConnected() share the same location propagated from corresponding selectable object. You must redefine this function for any type of sensitive entity which can accept another connected sensitive entity.//can be connected to another sensitive entity.
Reimplemented from Select3D_SensitiveEntity.
Standard_Integer MeshVS_SensitiveMesh::GetMode | ( | ) | const |
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Checks whether the sensitive entity matches the picking detection area (close to the picking line). This method takes into account depth limits produced by abstract view: far/near planes, clippings. Please port existing implementations of your picking detection, which were done at Matches (X, Y, Tol, DMin) method to this one, introducing the depth checks. Please note that the previous method is suppressed and the virtual implementations are not used by OCC selection framework. The porting procedure for simple sensitives (or if you are not interested in implementing full scale depth checks) can be simplified to writing the following code snippet:
thePickArgs | [in] the picking arguments. |
theMatchDMin | [out] the minimum distance on xy plane from point of picking to center of gravity of the detected sub-part of sensitive entity or the whole sensitive (e.g. used for resolving selection of coinciding circles, selection will be set to the one whose center is closest to the picking point). |
theMatchDepth | [out] the minimum detected depth: depth of the closest detected sub-part of sensitive entity (or the whole sensitive). |
Implements SelectBasics_SensitiveEntity.
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Matches the box defined by the coordinates Xmin, Ymin, Xmax, Ymax with the entity found at that point within the tolerance aTol. Xmin, YMin define the minimum point in the lower left hand corner of the box, and XMax, YMax define the maximum point in the upper right hand corner of the box. You must redefine this function for every inheriting entity. You will have to call this framework inside the redefined function.
Reimplemented from Select3D_SensitiveEntity.
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prevents from hiding virtual methods...
Reimplemented from Select3D_SensitiveEntity.
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In classes inheriting this framework, you must redefine this function in order to get a sensitive 2D rectangle from a 3D entity. This rectangle is the sensitive zone which makes the 3D entity selectable.
Implements Select3D_SensitiveEntity.