Tool for computing isoline representation for a face or surface. Depending on a flags set to the given Prs3d_Drawer instance, on-surface (is used by default) or on-triangulation isoline builder algorithm will be used. If the given shape is not triangulated, on-surface isoline builder will be applied regardless of Prs3d_Drawer flags. More...

#include <StdPrs_Isolines.hxx>

Inheritance diagram for StdPrs_Isolines:

[legend]

Data Structures
struct	PntOnIso
	Auxiliary structure defining 3D point on isoline. More...
struct	SegOnIso
	Auxiliary structure defining segment of isoline. More...

Static Public Member Functions
static void	Add (const occ::handle< Prs3d_Presentation > &thePresentation, const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer, const double theDeflection)
	Computes isolines presentation for a TopoDS face. This method chooses proper version of isoline builder algorithm : on triangulation or surface depending on the flag passed from Prs3d_Drawer attributes. This method is a default way to display isolines for a given TopoDS face.
static void	Add (const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer, const double theDeflection, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theUPolylines, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theVPolylines)
	Computes isolines presentation for a TopoDS face. This method chooses proper version of isoline builder algorithm : on triangulation or surface depending on the flag passed from Prs3d_Drawer attributes. This method is a default way to display isolines for a given TopoDS face.
static void	AddOnTriangulation (const occ::handle< Prs3d_Presentation > &thePresentation, const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer)
	Computes isolines on triangulation and adds them to a presentation.
static void	AddOnTriangulation (const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theUPolylines, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theVPolylines)
	Computes isolines on triangulation.
static void	AddOnTriangulation (const occ::handle< Prs3d_Presentation > &thePresentation, const occ::handle< Poly_Triangulation > &theTriangulation, const occ::handle< Geom_Surface > &theSurface, const TopLoc_Location &theLocation, const occ::handle< Prs3d_Drawer > &theDrawer, const NCollection_Sequence< double > &theUIsoParams, const NCollection_Sequence< double > &theVIsoParams)
	Computes isolines on triangulation and adds them to a presentation.
static void	AddOnSurface (const occ::handle< Prs3d_Presentation > &thePresentation, const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer, const double theDeflection)
	Computes isolines on surface and adds them to presentation.
static void	AddOnSurface (const TopoDS_Face &theFace, const occ::handle< Prs3d_Drawer > &theDrawer, const double theDeflection, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theUPolylines, NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &theVPolylines)
	Computes isolines on surface and adds them to presentation.
static void	AddOnSurface (const occ::handle< Prs3d_Presentation > &thePresentation, const occ::handle< BRepAdaptor_Surface > &theSurface, const occ::handle< Prs3d_Drawer > &theDrawer, const double theDeflection, const NCollection_Sequence< double > &theUIsoParams, const NCollection_Sequence< double > &theVIsoParams)
	Computes isolines on surface and adds them to presentation.
static void	UVIsoParameters (const TopoDS_Face &theFace, const int theNbIsoU, const int theNbIsoV, const double theUVLimit, NCollection_Sequence< double > &theUIsoParams, NCollection_Sequence< double > &theVIsoParams, double &theUmin, double &theUmax, double &theVmin, double &theVmax)
	Evaluate sequence of parameters for drawing uv isolines for a given face.
Static Public Member Functions inherited from Prs3d_Root
called static instead occ::handle< Graphic3d_Group >	CurrentGroup (const occ::handle< Prs3d_Presentation > &thePrs3d)
static instead occ::handle< Graphic3d_Group >	NewGroup (const occ::handle< Prs3d_Presentation > &thePrs3d)

Detailed Description

Tool for computing isoline representation for a face or surface. Depending on a flags set to the given Prs3d_Drawer instance, on-surface (is used by default) or on-triangulation isoline builder algorithm will be used. If the given shape is not triangulated, on-surface isoline builder will be applied regardless of Prs3d_Drawer flags.

Member Function Documentation

◆ Add() [1/2]

void StdPrs_Isolines::Add	(	const occ::handle< Prs3d_Presentation > &	thePresentation,
		const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const double	theDeflection )

inlinestatic

Computes isolines presentation for a TopoDS face. This method chooses proper version of isoline builder algorithm : on triangulation or surface depending on the flag passed from Prs3d_Drawer attributes. This method is a default way to display isolines for a given TopoDS face.

Parameters

[in]	thePresentation	the presentation.
[in]	theFace	the face.
[in]	theDrawer	the display settings.
[in]	theDeflection	the deflection for isolines-on-surface version.

◆ Add() [2/2]

void StdPrs_Isolines::Add	(	const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const double	theDeflection,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theUPolylines,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theVPolylines )

inlinestatic

Computes isolines presentation for a TopoDS face. This method chooses proper version of isoline builder algorithm : on triangulation or surface depending on the flag passed from Prs3d_Drawer attributes. This method is a default way to display isolines for a given TopoDS face.

Parameters

[in]	theFace	the face.
[in]	theDrawer	the display settings.
[in]	theDeflection	the deflection for isolines-on-surface version.

◆ AddOnSurface() [1/3]

void StdPrs_Isolines::AddOnSurface	(	const occ::handle< Prs3d_Presentation > &	thePresentation,
		const occ::handle< BRepAdaptor_Surface > &	theSurface,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const double	theDeflection,
		const NCollection_Sequence< double > &	theUIsoParams,
		const NCollection_Sequence< double > &	theVIsoParams )

static

Computes isolines on surface and adds them to presentation.

Parameters

[in]	thePresentation	the presentation.
[in]	theSurface	the surface.
[in]	theDrawer	the display settings.
[in]	theDeflection	the deflection value.
[in]	theUIsoParams	the parameters of u isolines to compute.
[in]	theVIsoParams	the parameters of v isolines to compute.

◆ AddOnSurface() [2/3]

void StdPrs_Isolines::AddOnSurface	(	const occ::handle< Prs3d_Presentation > &	thePresentation,
		const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const double	theDeflection )

static

Computes isolines on surface and adds them to presentation.

Parameters

[in]	thePresentation	the presentation.
[in]	theFace	the face.
[in]	theDrawer	the display settings.
[in]	theDeflection	the deflection value.

◆ AddOnSurface() [3/3]

void StdPrs_Isolines::AddOnSurface	(	const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const double	theDeflection,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theUPolylines,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theVPolylines )

static

Computes isolines on surface and adds them to presentation.

Parameters

[in]	theFace	the face
[in]	theDrawer	the display settings
[in]	theDeflection	the deflection value
[out]	theUPolylines	the sequence of result polylines
[out]	theVPolylines	the sequence of result polylines

◆ AddOnTriangulation() [1/3]

void StdPrs_Isolines::AddOnTriangulation	(	const occ::handle< Prs3d_Presentation > &	thePresentation,
		const occ::handle< Poly_Triangulation > &	theTriangulation,
		const occ::handle< Geom_Surface > &	theSurface,
		const TopLoc_Location &	theLocation,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		const NCollection_Sequence< double > &	theUIsoParams,
		const NCollection_Sequence< double > &	theVIsoParams )

static

Computes isolines on triangulation and adds them to a presentation.

Parameters

[in]	thePresentation	the presentation.
[in]	theTriangulation	the triangulation.
[in]	theSurface	the definition of triangulated surface. The surface adapter is used to precisely evaluate isoline points using surface law and fit them on triangulation. If NULL is passed, the method will use linear interpolation of triangle node's UV coordinates to evaluate isoline points.
[in]	theLocation	the location transformation defined for triangulation (surface).
[in]	theDrawer	the display settings.
[in]	theUIsoParams	the parameters of u isolines to compute.
[in]	theVIsoParams	the parameters of v isolines to compute.

◆ AddOnTriangulation() [2/3]

void StdPrs_Isolines::AddOnTriangulation	(	const occ::handle< Prs3d_Presentation > &	thePresentation,
		const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer )

static

Computes isolines on triangulation and adds them to a presentation.

Parameters

[in]	thePresentation	the presentation.
[in]	theFace	the face.
[in]	theDrawer	the display settings.

◆ AddOnTriangulation() [3/3]

void StdPrs_Isolines::AddOnTriangulation	(	const TopoDS_Face &	theFace,
		const occ::handle< Prs3d_Drawer > &	theDrawer,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theUPolylines,
		NCollection_List< occ::handle< NCollection_HSequence< gp_Pnt > > > &	theVPolylines )

static

Computes isolines on triangulation.

Parameters

[in]	theFace	the face.
[in]	theDrawer	the display settings.
[out]	theUPolylines	the sequence of result polylines
[out]	theVPolylines	the sequence of result polylines

◆ UVIsoParameters()

void StdPrs_Isolines::UVIsoParameters	(	const TopoDS_Face &	theFace,
		const int	theNbIsoU,
		const int	theNbIsoV,
		const double	theUVLimit,
		NCollection_Sequence< double > &	theUIsoParams,
		NCollection_Sequence< double > &	theVIsoParams,
		double &	theUmin,
		double &	theUmax,
		double &	theVmin,
		double &	theVmax )

static

Evaluate sequence of parameters for drawing uv isolines for a given face.

Parameters

[in]	theFace	the face.
[in]	theNbIsoU	the number of u isolines.
[in]	theNbIsoV	the number of v isolines.
[in]	theUVLimit	the u, v parameter value limit.
[out]	theUIsoParams	the sequence of u isoline parameters.
[out]	theVIsoParams	the sequence of v isoline parameters.
[out]	theUmin	the lower U boundary of theFace.
[out]	theUmax	the upper U boundary of theFace.
[out]	theVmin	the lower V boundary of theFace.
[out]	theVmax	the upper V boundary of theFace.

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

StdPrs_Isolines.hxx

Data Structures

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ Add() [1/2]

◆ Add() [2/2]

◆ AddOnSurface() [1/3]

◆ AddOnSurface() [2/3]

◆ AddOnSurface() [3/3]

◆ AddOnTriangulation() [1/3]

◆ AddOnTriangulation() [2/3]

◆ AddOnTriangulation() [3/3]

◆ UVIsoParameters()