Drawable structure to display a shape. Contains a list of edges and a list of faces. More...

#include <DBRep_DrawableShape.hxx>

Inheritance diagram for DBRep_DrawableShape:

Public Member Functions
	DBRep_DrawableShape (const TopoDS_Shape &C, const Draw_Color &FreeCol, const Draw_Color &ConnCol, const Draw_Color &EdgeCol, const Draw_Color &IsosCol, const Standard_Real size, const Standard_Integer nbisos, const Standard_Integer discret)

void	ChangeNbIsos (const Standard_Integer NbIsos)
	Changes the number of isoparametric curves in a shape.

Standard_Integer	NbIsos () const
	Returns the number of isoparametric curves in a shape.

void	ChangeDiscret (const Standard_Integer Discret)
	Changes the number of isoparametric curves in a shape.

Standard_Integer	Discret () const
	Returns the discretisation value of curve.

TopoDS_Shape	Shape () const
	Return const &.

void	DisplayOrientation (const Standard_Boolean D)
	When True the orientations of the edges and free vertices are displayed.

void	DisplayTriangulation (const Standard_Boolean D)
	When True the triangulations of the faces are displayed even if there is a surface.

void	DisplayPolygons (const Standard_Boolean D)
	When True the polygons of the edges are displayed even if there is a geometric curve.

void	DisplayHLR (const Standard_Boolean withHLR, const Standard_Boolean withRg1, const Standard_Boolean withRgN, const Standard_Boolean withHid, const Standard_Real ang)
	Performs Hidden lines.

Standard_Boolean	DisplayTriangulation () const

Standard_Boolean	DisplayPolygons () const

void	GetDisplayHLR (Standard_Boolean &withHLR, Standard_Boolean &withRg1, Standard_Boolean &withRgN, Standard_Boolean &withHid, Standard_Real &ang) const

void	DrawOn (Draw_Display &dis) const override

void	DisplayHiddenLines (Draw_Display &dis)

virtual Handle< Draw_Drawable3D >	Copy () const override
	For variable copy.

virtual void	Dump (Standard_OStream &S) const override
	For variable dump.

virtual void	Save (Standard_OStream &theStream) const override
	Save drawable into stream.

virtual void	Whatis (Draw_Interpretor &I) const override
	For variable whatis command.

Public Member Functions inherited from Draw_Drawable3D
virtual Standard_Boolean	PickReject (const Standard_Real X, const Standard_Real Y, const Standard_Real Prec) const
	Returns True if the pick is outside the box.

virtual bool	Is3D () const
	Is a 3D object. (Default True).

virtual bool	IsDisplayable () const
	Return TRUE if object can be displayed.

void	SetBounds (const Standard_Real theXMin, const Standard_Real theXMax, const Standard_Real theYMin, const Standard_Real theYMax)

void	Bounds (Standard_Real &theXMin, Standard_Real &theXMax, Standard_Real &theYMin, Standard_Real &theYMax) const

Standard_Boolean	Visible () const

void	Visible (const Standard_Boolean V)

Standard_Boolean	Protected () const

void	Protected (const Standard_Boolean P)

Standard_CString	Name () const

virtual void	Name (const Standard_CString N)

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName.

Standard_Boolean	IsKind (const opencascade::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.

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.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

Standard_Integer	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object.

Standard_Integer	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value.

virtual void	Delete () const
	Memory deallocator for transient classes.

Static Public Member Functions
static void	LastPick (TopoDS_Shape &S, Standard_Real &u, Standard_Real &v)
	Returns the subshape touched by the last pick. u,v are the parameters of the closest point.

static Standard_Boolean	addMeshNormals (NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > &theNormals, const TopoDS_Face &theFace, const Standard_Real theLength)
	Auxiliary method computing nodal normals for presentation purposes.

static void	addMeshNormals (NCollection_DataMap< TopoDS_Face, NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > > &theNormals, const TopoDS_Shape &theShape, const Standard_Real theLength)
	Auxiliary method computing nodal normals for presentation purposes.

static Standard_Boolean	addSurfaceNormals (NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > &theNormals, const TopoDS_Face &theFace, const Standard_Real theLength, const Standard_Integer theNbAlongU, const Standard_Integer theNbAlongV)
	Auxiliary method computing surface normals distributed within the Face for presentation purposes.

static void	addSurfaceNormals (NCollection_DataMap< TopoDS_Face, NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > > &theNormals, const TopoDS_Shape &theShape, const Standard_Real theLength, const Standard_Integer theNbAlongU, const Standard_Integer theNbAlongV)
	Auxiliary method computing surface normals distributed within the Face for presentation purposes.

Static Public Member Functions inherited from Draw_Drawable3D
static void	RegisterFactory (const Standard_CString theType, const FactoryFunction_t &theFactory)
	Register factory for restoring drawable from stream (opposite to Draw_Drawable3D::Save()).

static Handle< Draw_Drawable3D >	Restore (const Standard_CString theType, Standard_IStream &theStream)
	Restore drawable from stream (opposite to Draw_Drawable3D::Save()).

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Additional Inherited Members
Public Types inherited from Draw_Drawable3D
typedef Handle< Draw_Drawable3D >(*	FactoryFunction_t) (Standard_IStream &theStream)
	Function type for restoring drawable from stream.

Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Protected Member Functions inherited from Draw_Drawable3D
	Draw_Drawable3D ()

Detailed Description

Drawable structure to display a shape. Contains a list of edges and a list of faces.

Constructor & Destructor Documentation

◆ DBRep_DrawableShape()

DBRep_DrawableShape::DBRep_DrawableShape	(	const TopoDS_Shape &	C,
		const Draw_Color &	FreeCol,
		const Draw_Color &	ConnCol,
		const Draw_Color &	EdgeCol,
		const Draw_Color &	IsosCol,
		const Standard_Real	size,
		const Standard_Integer	nbisos,
		const Standard_Integer	discret
	)

Member Function Documentation

◆ addMeshNormals() [1/2]

static void DBRep_DrawableShape::addMeshNormals	(	NCollection_DataMap< TopoDS_Face, NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > > &	theNormals,
		const TopoDS_Shape &	theShape,
		const Standard_Real	theLength
	)

static

Auxiliary method computing nodal normals for presentation purposes.

Parameters

theNormals	[out] map of computed normals (grouped per Face)
theShape	[in] input shape which will be exploded into Faces
theLength	[in] normal length

◆ addMeshNormals() [2/2]

static Standard_Boolean DBRep_DrawableShape::addMeshNormals	(	NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > &	theNormals,
		const TopoDS_Face &	theFace,
		const Standard_Real	theLength
	)

static

Auxiliary method computing nodal normals for presentation purposes.

Parameters

theNormals	[out] vector of computed normals (pair of points [from, to])
theFace	[in] input face
theLength	[in] normal length

Returns: FALSE if normals can not be computed

◆ addSurfaceNormals() [1/2]

static void DBRep_DrawableShape::addSurfaceNormals	(	NCollection_DataMap< TopoDS_Face, NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > > &	theNormals,
		const TopoDS_Shape &	theShape,
		const Standard_Real	theLength,
		const Standard_Integer	theNbAlongU,
		const Standard_Integer	theNbAlongV
	)

static

Auxiliary method computing surface normals distributed within the Face for presentation purposes.

Parameters

theNormals	[out] map of computed normals (grouped per Face)
theShape	[in] input shape which will be exploded into Faces
theLength	[in] normal length
theNbAlongU	[in] number along U
theNbAlongV	[in] number along V

Returns: FALSE if normals can not be computed

◆ addSurfaceNormals() [2/2]

static Standard_Boolean DBRep_DrawableShape::addSurfaceNormals	(	NCollection_Vector< std::pair< gp_Pnt, gp_Pnt > > &	theNormals,
		const TopoDS_Face &	theFace,
		const Standard_Real	theLength,
		const Standard_Integer	theNbAlongU,
		const Standard_Integer	theNbAlongV
	)

static

Auxiliary method computing surface normals distributed within the Face for presentation purposes.

Parameters

theNormals	[out] vector of computed normals (pair of points [from, to])
theFace	[in] input face
theLength	[in] normal length
theNbAlongU	[in] number along U
theNbAlongV	[in] number along V

Returns: FALSE if normals can not be computed

◆ ChangeDiscret()

void DBRep_DrawableShape::ChangeDiscret ( const Standard_Integer Discret )

Changes the number of isoparametric curves in a shape.

◆ ChangeNbIsos()

void DBRep_DrawableShape::ChangeNbIsos ( const Standard_Integer NbIsos )

Changes the number of isoparametric curves in a shape.

◆ Copy()

virtual Handle< Draw_Drawable3D > DBRep_DrawableShape::Copy ( ) const

overridevirtual

For variable copy.

Reimplemented from Draw_Drawable3D.

◆ Discret()

Standard_Integer DBRep_DrawableShape::Discret ( ) const

Returns the discretisation value of curve.

◆ DisplayHiddenLines()

void DBRep_DrawableShape::DisplayHiddenLines ( Draw_Display & dis )

◆ DisplayHLR()

void DBRep_DrawableShape::DisplayHLR	(	const Standard_Boolean	withHLR,
		const Standard_Boolean	withRg1,
		const Standard_Boolean	withRgN,
		const Standard_Boolean	withHid,
		const Standard_Real	ang
	)

Performs Hidden lines.

◆ DisplayOrientation()

void DBRep_DrawableShape::DisplayOrientation ( const Standard_Boolean D )

When True the orientations of the edges and free vertices are displayed.

◆ DisplayPolygons() [1/2]

Standard_Boolean DBRep_DrawableShape::DisplayPolygons ( ) const

◆ DisplayPolygons() [2/2]

void DBRep_DrawableShape::DisplayPolygons ( const Standard_Boolean D )

When True the polygons of the edges are displayed even if there is a geometric curve.

◆ DisplayTriangulation() [1/2]

Standard_Boolean DBRep_DrawableShape::DisplayTriangulation ( ) const

◆ DisplayTriangulation() [2/2]

void DBRep_DrawableShape::DisplayTriangulation ( const Standard_Boolean D )

When True the triangulations of the faces are displayed even if there is a surface.

◆ DrawOn()

void DBRep_DrawableShape::DrawOn ( Draw_Display & dis ) const

overridevirtual

Implements Draw_Drawable3D.

◆ Dump()

virtual void DBRep_DrawableShape::Dump ( Standard_OStream & S ) const

overridevirtual

For variable dump.

Reimplemented from Draw_Drawable3D.

◆ GetDisplayHLR()

void DBRep_DrawableShape::GetDisplayHLR	(	Standard_Boolean &	withHLR,
		Standard_Boolean &	withRg1,
		Standard_Boolean &	withRgN,
		Standard_Boolean &	withHid,
		Standard_Real &	ang
	)		const

◆ LastPick()

static void DBRep_DrawableShape::LastPick	(	TopoDS_Shape &	S,
		Standard_Real &	u,
		Standard_Real &	v
	)

static

Returns the subshape touched by the last pick. u,v are the parameters of the closest point.

◆ NbIsos()

Standard_Integer DBRep_DrawableShape::NbIsos ( ) const

Returns the number of isoparametric curves in a shape.

◆ Save()

virtual void DBRep_DrawableShape::Save ( Standard_OStream & theStream ) const

overridevirtual

Save drawable into stream.

Reimplemented from Draw_Drawable3D.

◆ Shape()

TopoDS_Shape DBRep_DrawableShape::Shape ( ) const

Return const &.

◆ Whatis()

virtual void DBRep_DrawableShape::Whatis ( Draw_Interpretor & I ) const

overridevirtual

For variable whatis command.

Reimplemented from Draw_Drawable3D.

The documentation for this class was generated from the following file:

DBRep_DrawableShape.hxx

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DBRep_DrawableShape()

Member Function Documentation

◆ addMeshNormals() [1/2]

◆ addMeshNormals() [2/2]

◆ addSurfaceNormals() [1/2]

◆ addSurfaceNormals() [2/2]

◆ ChangeDiscret()

◆ ChangeNbIsos()

◆ Copy()

◆ Discret()

◆ DisplayHiddenLines()

◆ DisplayHLR()

◆ DisplayOrientation()

◆ DisplayPolygons() [1/2]

◆ DisplayPolygons() [2/2]

◆ DisplayTriangulation() [1/2]

◆ DisplayTriangulation() [2/2]

◆ DrawOn()

◆ Dump()

◆ GetDisplayHLR()

◆ LastPick()

◆ NbIsos()

◆ Save()

◆ Shape()

◆ Whatis()