MeshVS_MeshPrsBuilder Class Reference

This class provides methods to compute base mesh presentation. More...

#include <MeshVS_MeshPrsBuilder.hxx>

Inheritance diagram for MeshVS_MeshPrsBuilder:

Public Member Functions
	MeshVS_MeshPrsBuilder (const Handle< MeshVS_Mesh > &Parent, const MeshVS_DisplayModeFlags &Flags=MeshVS_DMF_OCCMask, const Handle< MeshVS_DataSource > &DS=0, const Standard_Integer Id=-1, const MeshVS_BuilderPriority &Priority=MeshVS_BP_Mesh)
	Creates builder with certain display mode flags, data source, ID and priority.
virtual void	Build (const Handle< Prs3d_Presentation > &Prs, const TColStd_PackedMapOfInteger &IDs, TColStd_PackedMapOfInteger &IDsToExclude, const Standard_Boolean IsElement, const Standard_Integer DisplayMode) const override
	Builds base mesh presentation by calling the methods below.
virtual void	BuildNodes (const Handle< Prs3d_Presentation > &Prs, const TColStd_PackedMapOfInteger &IDs, TColStd_PackedMapOfInteger &IDsToExclude, const Standard_Integer DisplayMode) const
	Builds nodes presentation.
virtual void	BuildElements (const Handle< Prs3d_Presentation > &Prs, const TColStd_PackedMapOfInteger &IDs, TColStd_PackedMapOfInteger &IDsToExclude, const Standard_Integer DisplayMode) const
	Builds elements presentation.
virtual void	BuildHilightPrs (const Handle< Prs3d_Presentation > &Prs, const TColStd_PackedMapOfInteger &IDs, const Standard_Boolean IsElement) const
	Builds presentation of hilighted entity.
Public Member Functions inherited from MeshVS_PrsBuilder
virtual void	CustomBuild (const Handle< Prs3d_Presentation > &Prs, const TColStd_PackedMapOfInteger &IDs, TColStd_PackedMapOfInteger &IDsToExclude, const Standard_Integer DisplayMode) const
	This method is called to build presentation of custom elements (they have MeshVS_ET_0D type). IDs is set of numeric identificators of elements for custom building. IDsToExclude is set of IDs to exclude from processing. If some entity has been excluded, it is not processed by other builders. DisplayMode is numeric constant describing display mode (see MeshVS_DisplayModeFlags.hxx)
virtual Handle< Select3D_SensitiveEntity >	CustomSensitiveEntity (const Handle< SelectMgr_EntityOwner > &Owner, const Standard_Integer SelectMode) const
	This method is called to build sensitive of custom elements ( they have MeshVS_ET_0D type )
Standard_Integer	GetFlags () const
	Returns flags, assigned with builder during creation.
virtual Standard_Boolean	TestFlags (const Standard_Integer DisplayMode) const
	Test whether display mode has flags assigned with this builder. This method has default implementation and can be redefined for advance behavior Returns Standard_True only if display mode is appropriate for this builder.
Standard_Integer	GetId () const
	Returns builder ID.
Standard_Integer	GetPriority () const
	Returns priority; as priority bigger, as soon builder will be called.
Handle< MeshVS_DataSource >	GetDataSource () const
	Returns custom data source or default ( from MeshVS_Mesh ) if custom is NULL.
void	SetDataSource (const Handle< MeshVS_DataSource > &newDS)
	Change custom data source.
Handle< MeshVS_Drawer >	GetDrawer () const
	Returns custom drawer or default ( from MeshVS_Mesh ) if custom is NULL.
void	SetDrawer (const Handle< MeshVS_Drawer > &newDr)
	Change custom drawer.
void	SetExcluding (const Standard_Boolean state)
	Set excluding state. If it is Standard_True, the nodes or elements, processed by current builder will be noted and next builder won't process its.
Standard_Boolean	IsExcludingOn () const
	Read excluding state.
void	SetPresentationManager (const Handle< PrsMgr_PresentationManager > &thePrsMgr)
	Set presentation manager for builder.
Handle< PrsMgr_PresentationManager >	GetPresentationManager () const
	Get presentation manager of builder.
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	AddVolumePrs (const Handle< MeshVS_HArray1OfSequenceOfInteger > &Topo, const TColStd_Array1OfReal &Nodes, const Standard_Integer NbNodes, const Handle< Graphic3d_ArrayOfPrimitives > &Array, const Standard_Boolean IsReflected, const Standard_Boolean IsShrinked, const Standard_Boolean IsSelect, const Standard_Real ShrinkCoef)
	Add to array polygons or polylines representing volume.
static void	HowManyPrimitives (const Handle< MeshVS_HArray1OfSequenceOfInteger > &Topo, const Standard_Boolean AsPolygons, const Standard_Boolean IsSelect, const Standard_Integer NbNodes, Standard_Integer &Vertices, Standard_Integer &Bounds)
	Calculate how many polygons or polylines are necessary to draw passed topology.
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.

Protected Member Functions
void	AddLinkPrs (const TColStd_Array1OfReal &theCoords, const Handle< Graphic3d_ArrayOfSegments > &theLines, const Standard_Boolean IsShrinked, const Standard_Real ShrinkCoef) const
	Add to array of polylines some lines representing link.
void	AddFaceWirePrs (const TColStd_Array1OfReal &theCoords, const Standard_Integer theNbNodes, const Handle< Graphic3d_ArrayOfSegments > &theLines, const Standard_Boolean theIsShrinked, const Standard_Real theShrinkingCoef) const
	Add to array of segments representing face's wire.
void	AddFaceSolidPrs (const Standard_Integer ID, const TColStd_Array1OfReal &theCoords, const Standard_Integer theNbNodes, const Standard_Integer theMaxNodes, const Handle< Graphic3d_ArrayOfTriangles > &theTriangles, const Standard_Boolean theIsReflected, const Standard_Boolean theIsShrinked, const Standard_Real theShrinkCoef, const Standard_Boolean theIsMeshSmoothShading) const
	Add to array of polygons a polygon representing face.
void	DrawArrays (const Handle< Prs3d_Presentation > &Prs, const Handle< Graphic3d_ArrayOfPrimitives > &thePolygons, const Handle< Graphic3d_ArrayOfPrimitives > &theLines, const Handle< Graphic3d_ArrayOfPrimitives > &theLinkLines, const Handle< Graphic3d_ArrayOfPrimitives > &theVolumesInShad, const Standard_Boolean IsPolygonsEdgesOff, const Standard_Boolean IsSelected, const Handle< Graphic3d_AspectFillArea3d > &theFillAsp, const Handle< Graphic3d_AspectLine3d > &theLineAsp) const
	Draw array of polygons and polylines in the certain order according to transparency.
Protected Member Functions inherited from MeshVS_PrsBuilder
	MeshVS_PrsBuilder (const Handle< MeshVS_Mesh > &Parent, const MeshVS_DisplayModeFlags &Flags, const Handle< MeshVS_DataSource > &DS, const Standard_Integer Id, const MeshVS_BuilderPriority &Priority=MeshVS_BP_Default)
	Constructor Parent is pointer to MeshVS_Mesh object Flags is set of display modes corresponding to this builder DS is data source object, from which builder will pick geometry and topological information Id is numeric identificator of builder. You must set it to positive integer, but if you set it to -1, constructor will select the smallest integer, not occupied by other builders Priority is numerical priority constant. As priority bigger, as sooner builder starts during presentation construction.
Handle< MeshVS_DataSource >	DataSource () const
	Returns only custom data source.
Handle< MeshVS_Drawer >	Drawer () const
	Returns only custom drawer.

Static Protected Member Functions
static void	CalculateCenter (const TColStd_Array1OfReal &theCoords, const Standard_Integer NbNodes, Standard_Real &xG, Standard_Real &yG, Standard_Real &zG)
	Default calculation of center of face or link. This method if useful for shrink mode presentation theCoords is array of nodes coordinates in the strict order X1, Y1, Z1, X2... NbNodes is number of nodes an element consist of xG, yG, zG are coordinates of center whose will be returned.

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.
Protected Attributes inherited from MeshVS_PrsBuilder
MeshVS_MeshPtr	myParentMesh

Detailed Description

This class provides methods to compute base mesh presentation.

Constructor & Destructor Documentation

MeshVS_MeshPrsBuilder()

MeshVS_MeshPrsBuilder::MeshVS_MeshPrsBuilder	(	const Handle< MeshVS_Mesh > &	Parent,
		const MeshVS_DisplayModeFlags &	Flags = MeshVS_DMF_OCCMask,
		const Handle< MeshVS_DataSource > &	DS = 0,
		const Standard_Integer	Id = -1,
		const MeshVS_BuilderPriority &	Priority = MeshVS_BP_Mesh
	)

Creates builder with certain display mode flags, data source, ID and priority.

Member Function Documentation

AddFaceSolidPrs()

void MeshVS_MeshPrsBuilder::AddFaceSolidPrs ( const Standard_Integer  ID, const TColStd_Array1OfReal &  theCoords, const Standard_Integer  theNbNodes, const Standard_Integer  theMaxNodes, const Handle< Graphic3d_ArrayOfTriangles > &  theTriangles, const Standard_Boolean  theIsReflected, const Standard_Boolean  theIsShrinked, const Standard_Real  theShrinkCoef, const Standard_Boolean  theIsMeshSmoothShading  ) const

protected

Add to array of polygons a polygon representing face.

AddFaceWirePrs()

void MeshVS_MeshPrsBuilder::AddFaceWirePrs ( const TColStd_Array1OfReal &  theCoords, const Standard_Integer  theNbNodes, const Handle< Graphic3d_ArrayOfSegments > &  theLines, const Standard_Boolean  theIsShrinked, const Standard_Real  theShrinkingCoef  ) const

protected

Add to array of segments representing face's wire.

AddLinkPrs()

void MeshVS_MeshPrsBuilder::AddLinkPrs ( const TColStd_Array1OfReal &  theCoords, const Handle< Graphic3d_ArrayOfSegments > &  theLines, const Standard_Boolean  IsShrinked, const Standard_Real  ShrinkCoef  ) const

protected

Add to array of polylines some lines representing link.

AddVolumePrs()

static void MeshVS_MeshPrsBuilder::AddVolumePrs ( const Handle< MeshVS_HArray1OfSequenceOfInteger > &  Topo, const TColStd_Array1OfReal &  Nodes, const Standard_Integer  NbNodes, const Handle< Graphic3d_ArrayOfPrimitives > &  Array, const Standard_Boolean  IsReflected, const Standard_Boolean  IsShrinked, const Standard_Boolean  IsSelect, const Standard_Real  ShrinkCoef  )

static

Add to array polygons or polylines representing volume.

Build()

virtual void MeshVS_MeshPrsBuilder::Build ( const Handle< Prs3d_Presentation > &  Prs, const TColStd_PackedMapOfInteger &  IDs, TColStd_PackedMapOfInteger &  IDsToExclude, const Standard_Boolean  IsElement, const Standard_Integer  DisplayMode  ) const

overridevirtual

Builds base mesh presentation by calling the methods below.

Implements MeshVS_PrsBuilder.

BuildElements()

virtual void MeshVS_MeshPrsBuilder::BuildElements ( const Handle< Prs3d_Presentation > &  Prs, const TColStd_PackedMapOfInteger &  IDs, TColStd_PackedMapOfInteger &  IDsToExclude, const Standard_Integer  DisplayMode  ) const

virtual

Builds elements presentation.

BuildHilightPrs()

virtual void MeshVS_MeshPrsBuilder::BuildHilightPrs ( const Handle< Prs3d_Presentation > &  Prs, const TColStd_PackedMapOfInteger &  IDs, const Standard_Boolean  IsElement  ) const

virtual

Builds presentation of hilighted entity.

BuildNodes()

virtual void MeshVS_MeshPrsBuilder::BuildNodes ( const Handle< Prs3d_Presentation > &  Prs, const TColStd_PackedMapOfInteger &  IDs, TColStd_PackedMapOfInteger &  IDsToExclude, const Standard_Integer  DisplayMode  ) const

virtual

Builds nodes presentation.

CalculateCenter()

static void MeshVS_MeshPrsBuilder::CalculateCenter ( const TColStd_Array1OfReal &  theCoords, const Standard_Integer  NbNodes, Standard_Real &  xG, Standard_Real &  yG, Standard_Real &  zG  )

staticprotected

Default calculation of center of face or link. This method if useful for shrink mode presentation theCoords is array of nodes coordinates in the strict order X1, Y1, Z1, X2... NbNodes is number of nodes an element consist of xG, yG, zG are coordinates of center whose will be returned.

DrawArrays()

void MeshVS_MeshPrsBuilder::DrawArrays ( const Handle< Prs3d_Presentation > &  Prs, const Handle< Graphic3d_ArrayOfPrimitives > &  thePolygons, const Handle< Graphic3d_ArrayOfPrimitives > &  theLines, const Handle< Graphic3d_ArrayOfPrimitives > &  theLinkLines, const Handle< Graphic3d_ArrayOfPrimitives > &  theVolumesInShad, const Standard_Boolean  IsPolygonsEdgesOff, const Standard_Boolean  IsSelected, const Handle< Graphic3d_AspectFillArea3d > &  theFillAsp, const Handle< Graphic3d_AspectLine3d > &  theLineAsp  ) const

protected

Draw array of polygons and polylines in the certain order according to transparency.

HowManyPrimitives()

static void MeshVS_MeshPrsBuilder::HowManyPrimitives ( const Handle< MeshVS_HArray1OfSequenceOfInteger > &  Topo, const Standard_Boolean  AsPolygons, const Standard_Boolean  IsSelect, const Standard_Integer  NbNodes, Standard_Integer &  Vertices, Standard_Integer &  Bounds  )

static

Calculate how many polygons or polylines are necessary to draw passed topology.

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

• MeshVS_MeshPrsBuilder.hxx