Auxiliary methods for computing dimensions. More...

#include <PrsDim.hxx>

Static Public Member Functions
static gp_Pnt	Nearest (const TopoDS_Shape &aShape, const gp_Pnt &aPoint)
	Returns the nearest point in a shape. This is used by several classes in calculation of dimensions.

static gp_Pnt	Nearest (const gp_Lin &theLine, const gp_Pnt &thePoint)

static Standard_Boolean	Nearest (const Handle< Geom_Curve > &theCurve, const gp_Pnt &thePoint, const gp_Pnt &theFirstPoint, const gp_Pnt &theLastPoint, gp_Pnt &theNearestPoint)
	For the given point finds nearest point on the curve,.

static gp_Pnt	Farest (const TopoDS_Shape &aShape, const gp_Pnt &aPoint)

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theEdge, Handle< Geom_Curve > &theCurve, gp_Pnt &theFirstPnt, gp_Pnt &theLastPnt)
	Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any Return TRUE if ok.

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theEdge, Handle< Geom_Curve > &theCurve, gp_Pnt &theFirstPnt, gp_Pnt &theLastPnt, Standard_Boolean &theIsInfinite)
	Used by dimensions only. Computes the 3d geometry of <anEdge>. Return TRUE if ok.

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theEdge, Handle< Geom_Curve > &theCurve, gp_Pnt &theFirstPnt, gp_Pnt &theLastPnt, Handle< Geom_Curve > &theExtCurve, Standard_Boolean &theIsInfinite, Standard_Boolean &theIsOnPlane, const Handle< Geom_Plane > &thePlane)
	Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any. If <aCurve> is not in the current plane, <extCurve> contains the not projected curve associated to <anEdge>. If <anEdge> is infinite, <isinfinite> = true and the 2 parameters <FirstPnt> and <LastPnt> have no signification. Return TRUE if ok.

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theFirstEdge, const TopoDS_Edge &theSecondEdge, Handle< Geom_Curve > &theFirstCurve, Handle< Geom_Curve > &theSecondCurve, gp_Pnt &theFirstPnt1, gp_Pnt &theLastPnt1, gp_Pnt &theFirstPnt2, gp_Pnt &theLastPnt2, const Handle< Geom_Plane > &thePlane)
	Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any Return TRUE if ok.

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theFirstEdge, const TopoDS_Edge &theSecondEdge, Handle< Geom_Curve > &theFirstCurve, Handle< Geom_Curve > &theSecondCurve, gp_Pnt &theFirstPnt1, gp_Pnt &theLastPnt1, gp_Pnt &theFirstPnt2, gp_Pnt &theLastPnt2, Standard_Boolean &theIsinfinite1, Standard_Boolean &theIsinfinite2)
	Used by dimensions only.Computes the 3d geometry of<anEdge1> and <anEdge2> and checks if they are infinite.

static Standard_Boolean	ComputeGeometry (const TopoDS_Edge &theFirstEdge, const TopoDS_Edge &theSecondEdge, Standard_Integer &theExtIndex, Handle< Geom_Curve > &theFirstCurve, Handle< Geom_Curve > &theSecondCurve, gp_Pnt &theFirstPnt1, gp_Pnt &theLastPnt1, gp_Pnt &theFirstPnt2, gp_Pnt &theLastPnt2, Handle< Geom_Curve > &theExtCurve, Standard_Boolean &theIsinfinite1, Standard_Boolean &theIsinfinite2, const Handle< Geom_Plane > &thePlane)
	Used by 2d Relation only Computes the 3d geometry of<anEdge1> and <anEdge2> in the current Plane and the extremities if any. Return in ExtCurve the 3d curve (not projected in the plane) of the first edge if <indexExt> =1 or of the 2nd edge if <indexExt> = 2. If <indexExt> = 0, ExtCurve is Null. if there is an edge external to the plane, <isinfinite> is true if this edge is infinite. So, the extremities of it are not significant. Return TRUE if ok.

static Standard_Boolean	ComputeGeomCurve (Handle< Geom_Curve > &aCurve, const Standard_Real first1, const Standard_Real last1, gp_Pnt &FirstPnt1, gp_Pnt &LastPnt1, const Handle< Geom_Plane > &aPlane, Standard_Boolean &isOnPlane)
	Checks if aCurve belongs to aPlane; if not, projects aCurve in aPlane and returns aCurve; Return TRUE if ok.

static Standard_Boolean	ComputeGeometry (const TopoDS_Vertex &aVertex, gp_Pnt &point, const Handle< Geom_Plane > &aPlane, Standard_Boolean &isOnPlane)

static Standard_Boolean	GetPlaneFromFace (const TopoDS_Face &aFace, gp_Pln &aPlane, Handle< Geom_Surface > &aSurf, PrsDim_KindOfSurface &aSurfType, Standard_Real &Offset)
	Tries to get Plane from Face. Returns Surface of Face in aSurf. Returns Standard_True and Plane of Face in aPlane in following cases: Face is Plane, Offset of Plane, Extrusion of Line and Offset of Extrusion of Line Returns pure type of Surface which can be: Plane, Cylinder, Cone, Sphere, Torus, SurfaceOfRevolution, SurfaceOfExtrusion.

static void	InitFaceLength (const TopoDS_Face &aFace, gp_Pln &aPlane, Handle< Geom_Surface > &aSurface, PrsDim_KindOfSurface &aSurfaceType, Standard_Real &anOffset)

static void	InitLengthBetweenCurvilinearFaces (const TopoDS_Face &theFirstFace, const TopoDS_Face &theSecondFace, Handle< Geom_Surface > &theFirstSurf, Handle< Geom_Surface > &theSecondSurf, gp_Pnt &theFirstAttach, gp_Pnt &theSecondAttach, gp_Dir &theDirOnPlane)
	Finds attachment points on two curvilinear faces for length dimension.

static Standard_Boolean	InitAngleBetweenPlanarFaces (const TopoDS_Face &theFirstFace, const TopoDS_Face &theSecondFace, gp_Pnt &theCenter, gp_Pnt &theFirstAttach, gp_Pnt &theSecondAttach, const Standard_Boolean theIsFirstPointSet=Standard_False)
	Finds three points for the angle dimension between two planes.

static Standard_Boolean	InitAngleBetweenCurvilinearFaces (const TopoDS_Face &theFirstFace, const TopoDS_Face &theSecondFace, const PrsDim_KindOfSurface theFirstSurfType, const PrsDim_KindOfSurface theSecondSurfType, gp_Pnt &theCenter, gp_Pnt &theFirstAttach, gp_Pnt &theSecondAttach, const Standard_Boolean theIsFirstPointSet=Standard_False)
	Finds three points for the angle dimension between two curvilinear surfaces.

static gp_Pnt	ProjectPointOnPlane (const gp_Pnt &aPoint, const gp_Pln &aPlane)

static gp_Pnt	ProjectPointOnLine (const gp_Pnt &aPoint, const gp_Lin &aLine)

static gp_Pnt	TranslatePointToBound (const gp_Pnt &aPoint, const gp_Dir &aDir, const Bnd_Box &aBndBox)

static Standard_Boolean	InDomain (const Standard_Real aFirstPar, const Standard_Real aLastPar, const Standard_Real anAttachPar)
	returns True if point with anAttachPar is in domain of arc

static gp_Pnt	NearestApex (const gp_Elips &elips, const gp_Pnt &pApex, const gp_Pnt &nApex, const Standard_Real fpara, const Standard_Real lpara, Standard_Boolean &IsInDomain)
	computes nearest to ellipse arc apex

static Standard_Real	DistanceFromApex (const gp_Elips &elips, const gp_Pnt &Apex, const Standard_Real par)
	computes length of ellipse arc in parametric units

static void	ComputeProjEdgePresentation (const Handle< Prs3d_Presentation > &aPres, const Handle< Prs3d_Drawer > &aDrawer, const TopoDS_Edge &anEdge, const Handle< Geom_Curve > &ProjCurve, const gp_Pnt &FirstP, const gp_Pnt &LastP, const Quantity_NameOfColor aColor=Quantity_NOC_PURPLE, const Standard_Real aWidth=2, const Aspect_TypeOfLine aProjTOL=Aspect_TOL_DASH, const Aspect_TypeOfLine aCallTOL=Aspect_TOL_DOT)

static void	ComputeProjVertexPresentation (const Handle< Prs3d_Presentation > &aPres, const Handle< Prs3d_Drawer > &aDrawer, const TopoDS_Vertex &aVertex, const gp_Pnt &ProjPoint, const Quantity_NameOfColor aColor=Quantity_NOC_PURPLE, const Standard_Real aWidth=2, const Aspect_TypeOfMarker aProjTOM=Aspect_TOM_PLUS, const Aspect_TypeOfLine aCallTOL=Aspect_TOL_DOT)

Detailed Description

Auxiliary methods for computing dimensions.

Member Function Documentation

◆ ComputeGeomCurve()

static Standard_Boolean PrsDim::ComputeGeomCurve	(	Handle< Geom_Curve > &	aCurve,
		const Standard_Real	first1,
		const Standard_Real	last1,
		gp_Pnt &	FirstPnt1,
		gp_Pnt &	LastPnt1,
		const Handle< Geom_Plane > &	aPlane,
		Standard_Boolean &	isOnPlane )

static

Checks if aCurve belongs to aPlane; if not, projects aCurve in aPlane and returns aCurve; Return TRUE if ok.

◆ ComputeGeometry() [1/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theEdge,
		Handle< Geom_Curve > &	theCurve,
		gp_Pnt &	theFirstPnt,
		gp_Pnt &	theLastPnt )

static

Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any Return TRUE if ok.

◆ ComputeGeometry() [2/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theEdge,
		Handle< Geom_Curve > &	theCurve,
		gp_Pnt &	theFirstPnt,
		gp_Pnt &	theLastPnt,
		Handle< Geom_Curve > &	theExtCurve,
		Standard_Boolean &	theIsInfinite,
		Standard_Boolean &	theIsOnPlane,
		const Handle< Geom_Plane > &	thePlane )

static

Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any. If <aCurve> is not in the current plane, <extCurve> contains the not projected curve associated to <anEdge>. If <anEdge> is infinite, <isinfinite> = true and the 2 parameters <FirstPnt> and <LastPnt> have no signification. Return TRUE if ok.

◆ ComputeGeometry() [3/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theEdge,
		Handle< Geom_Curve > &	theCurve,
		gp_Pnt &	theFirstPnt,
		gp_Pnt &	theLastPnt,
		Standard_Boolean &	theIsInfinite )

static

Used by dimensions only. Computes the 3d geometry of <anEdge>. Return TRUE if ok.

◆ ComputeGeometry() [4/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theFirstEdge,
		const TopoDS_Edge &	theSecondEdge,
		Handle< Geom_Curve > &	theFirstCurve,
		Handle< Geom_Curve > &	theSecondCurve,
		gp_Pnt &	theFirstPnt1,
		gp_Pnt &	theLastPnt1,
		gp_Pnt &	theFirstPnt2,
		gp_Pnt &	theLastPnt2,
		const Handle< Geom_Plane > &	thePlane )

static

Used by 2d Relation only Computes the 3d geometry of <anEdge> in the current WorkingPlane and the extremities if any Return TRUE if ok.

◆ ComputeGeometry() [5/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theFirstEdge,
		const TopoDS_Edge &	theSecondEdge,
		Handle< Geom_Curve > &	theFirstCurve,
		Handle< Geom_Curve > &	theSecondCurve,
		gp_Pnt &	theFirstPnt1,
		gp_Pnt &	theLastPnt1,
		gp_Pnt &	theFirstPnt2,
		gp_Pnt &	theLastPnt2,
		Standard_Boolean &	theIsinfinite1,
		Standard_Boolean &	theIsinfinite2 )

static

Used by dimensions only.Computes the 3d geometry of<anEdge1> and <anEdge2> and checks if they are infinite.

◆ ComputeGeometry() [6/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Edge &	theFirstEdge,
		const TopoDS_Edge &	theSecondEdge,
		Standard_Integer &	theExtIndex,
		Handle< Geom_Curve > &	theFirstCurve,
		Handle< Geom_Curve > &	theSecondCurve,
		gp_Pnt &	theFirstPnt1,
		gp_Pnt &	theLastPnt1,
		gp_Pnt &	theFirstPnt2,
		gp_Pnt &	theLastPnt2,
		Handle< Geom_Curve > &	theExtCurve,
		Standard_Boolean &	theIsinfinite1,
		Standard_Boolean &	theIsinfinite2,
		const Handle< Geom_Plane > &	thePlane )

static

Used by 2d Relation only Computes the 3d geometry of<anEdge1> and <anEdge2> in the current Plane and the extremities if any. Return in ExtCurve the 3d curve (not projected in the plane) of the first edge if <indexExt> =1 or of the 2nd edge if <indexExt> = 2. If <indexExt> = 0, ExtCurve is Null. if there is an edge external to the plane, <isinfinite> is true if this edge is infinite. So, the extremities of it are not significant. Return TRUE if ok.

◆ ComputeGeometry() [7/7]

static Standard_Boolean PrsDim::ComputeGeometry	(	const TopoDS_Vertex &	aVertex,
		gp_Pnt &	point,
		const Handle< Geom_Plane > &	aPlane,
		Standard_Boolean &	isOnPlane )

static

◆ ComputeProjEdgePresentation()

static void PrsDim::ComputeProjEdgePresentation	(	const Handle< Prs3d_Presentation > &	aPres,
		const Handle< Prs3d_Drawer > &	aDrawer,
		const TopoDS_Edge &	anEdge,
		const Handle< Geom_Curve > &	ProjCurve,
		const gp_Pnt &	FirstP,
		const gp_Pnt &	LastP,
		const Quantity_NameOfColor	aColor = Quantity_NOC_PURPLE,
		const Standard_Real	aWidth = 2,
		const Aspect_TypeOfLine	aProjTOL = Aspect_TOL_DASH,
		const Aspect_TypeOfLine	aCallTOL = Aspect_TOL_DOT )

static

◆ ComputeProjVertexPresentation()

static void PrsDim::ComputeProjVertexPresentation	(	const Handle< Prs3d_Presentation > &	aPres,
		const Handle< Prs3d_Drawer > &	aDrawer,
		const TopoDS_Vertex &	aVertex,
		const gp_Pnt &	ProjPoint,
		const Quantity_NameOfColor	aColor = Quantity_NOC_PURPLE,
		const Standard_Real	aWidth = 2,
		const Aspect_TypeOfMarker	aProjTOM = Aspect_TOM_PLUS,
		const Aspect_TypeOfLine	aCallTOL = Aspect_TOL_DOT )

static

◆ DistanceFromApex()

static Standard_Real PrsDim::DistanceFromApex	(	const gp_Elips &	elips,
		const gp_Pnt &	Apex,
		const Standard_Real	par )

static

computes length of ellipse arc in parametric units

◆ Farest()

static gp_Pnt PrsDim::Farest	(	const TopoDS_Shape &	aShape,
		const gp_Pnt &	aPoint )

static

◆ GetPlaneFromFace()

static Standard_Boolean PrsDim::GetPlaneFromFace	(	const TopoDS_Face &	aFace,
		gp_Pln &	aPlane,
		Handle< Geom_Surface > &	aSurf,
		PrsDim_KindOfSurface &	aSurfType,
		Standard_Real &	Offset )

static

Tries to get Plane from Face. Returns Surface of Face in aSurf. Returns Standard_True and Plane of Face in aPlane in following cases: Face is Plane, Offset of Plane, Extrusion of Line and Offset of Extrusion of Line Returns pure type of Surface which can be: Plane, Cylinder, Cone, Sphere, Torus, SurfaceOfRevolution, SurfaceOfExtrusion.

◆ InDomain()

static Standard_Boolean PrsDim::InDomain	(	const Standard_Real	aFirstPar,
		const Standard_Real	aLastPar,
		const Standard_Real	anAttachPar )

static

returns True if point with anAttachPar is in domain of arc

◆ InitAngleBetweenCurvilinearFaces()

static Standard_Boolean PrsDim::InitAngleBetweenCurvilinearFaces	(	const TopoDS_Face &	theFirstFace,
		const TopoDS_Face &	theSecondFace,
		const PrsDim_KindOfSurface	theFirstSurfType,
		const PrsDim_KindOfSurface	theSecondSurfType,
		gp_Pnt &	theCenter,
		gp_Pnt &	theFirstAttach,
		gp_Pnt &	theSecondAttach,
		const Standard_Boolean	theIsFirstPointSet = Standard_False )

static

Finds three points for the angle dimension between two curvilinear surfaces.

◆ InitAngleBetweenPlanarFaces()

static Standard_Boolean PrsDim::InitAngleBetweenPlanarFaces	(	const TopoDS_Face &	theFirstFace,
		const TopoDS_Face &	theSecondFace,
		gp_Pnt &	theCenter,
		gp_Pnt &	theFirstAttach,
		gp_Pnt &	theSecondAttach,
		const Standard_Boolean	theIsFirstPointSet = Standard_False )

static

Finds three points for the angle dimension between two planes.

◆ InitFaceLength()

static void PrsDim::InitFaceLength	(	const TopoDS_Face &	aFace,
		gp_Pln &	aPlane,
		Handle< Geom_Surface > &	aSurface,
		PrsDim_KindOfSurface &	aSurfaceType,
		Standard_Real &	anOffset )

static

◆ InitLengthBetweenCurvilinearFaces()

static void PrsDim::InitLengthBetweenCurvilinearFaces	(	const TopoDS_Face &	theFirstFace,
		const TopoDS_Face &	theSecondFace,
		Handle< Geom_Surface > &	theFirstSurf,
		Handle< Geom_Surface > &	theSecondSurf,
		gp_Pnt &	theFirstAttach,
		gp_Pnt &	theSecondAttach,
		gp_Dir &	theDirOnPlane )

static

Finds attachment points on two curvilinear faces for length dimension.

Parameters

thePlaneDir [in] the direction on the dimension plane to compute the plane automatically. It will not be taken into account if plane is defined by user.

◆ Nearest() [1/3]

static gp_Pnt PrsDim::Nearest	(	const gp_Lin &	theLine,
		const gp_Pnt &	thePoint )

static

Returns: the nearest point on the line.

◆ Nearest() [2/3]

static Standard_Boolean PrsDim::Nearest	(	const Handle< Geom_Curve > &	theCurve,
		const gp_Pnt &	thePoint,
		const gp_Pnt &	theFirstPoint,
		const gp_Pnt &	theLastPoint,
		gp_Pnt &	theNearestPoint )

static

For the given point finds nearest point on the curve,.

Returns: TRUE if found point is belongs to the curve and FALSE otherwise.

◆ Nearest() [3/3]

static gp_Pnt PrsDim::Nearest	(	const TopoDS_Shape &	aShape,
		const gp_Pnt &	aPoint )

static

Returns the nearest point in a shape. This is used by several classes in calculation of dimensions.

◆ NearestApex()

static gp_Pnt PrsDim::NearestApex	(	const gp_Elips &	elips,
		const gp_Pnt &	pApex,
		const gp_Pnt &	nApex,
		const Standard_Real	fpara,
		const Standard_Real	lpara,
		Standard_Boolean &	IsInDomain )

static

computes nearest to ellipse arc apex

◆ ProjectPointOnLine()

static gp_Pnt PrsDim::ProjectPointOnLine	(	const gp_Pnt &	aPoint,
		const gp_Lin &	aLine )

static

◆ ProjectPointOnPlane()

static gp_Pnt PrsDim::ProjectPointOnPlane	(	const gp_Pnt &	aPoint,
		const gp_Pln &	aPlane )

static

◆ TranslatePointToBound()

static gp_Pnt PrsDim::TranslatePointToBound	(	const gp_Pnt &	aPoint,
		const gp_Dir &	aDir,
		const Bnd_Box &	aBndBox )

static

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

PrsDim.hxx

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ ComputeGeomCurve()

◆ ComputeGeometry() [1/7]

◆ ComputeGeometry() [2/7]

◆ ComputeGeometry() [3/7]

◆ ComputeGeometry() [4/7]

◆ ComputeGeometry() [5/7]

◆ ComputeGeometry() [6/7]

◆ ComputeGeometry() [7/7]

◆ ComputeProjEdgePresentation()

◆ ComputeProjVertexPresentation()

◆ DistanceFromApex()

◆ Farest()

◆ GetPlaneFromFace()

◆ InDomain()

◆ InitAngleBetweenCurvilinearFaces()

◆ InitAngleBetweenPlanarFaces()

◆ InitFaceLength()

◆ InitLengthBetweenCurvilinearFaces()

◆ Nearest() [1/3]

◆ Nearest() [2/3]

◆ Nearest() [3/3]

◆ NearestApex()

◆ ProjectPointOnLine()

◆ ProjectPointOnPlane()

◆ TranslatePointToBound()