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Static Public Member Functions
BRepLib Class Reference

The BRepLib package provides general utilities for
BRep.

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#include <BRepLib.hxx>

Static Public Member Functions

static void Precision (const Standard_Real P)
 Sets the default precision. The current Precision
is returned.
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static Standard_Real Precision ()
 Returns the default precision.
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static void Plane (const Handle< Geom_Plane > &P)
 Sets the current plane to P.
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static const Handle_Geom_Plane & Plane ()
 
 Returns the current plane. <br>


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static Standard_Boolean CheckSameRange (const TopoDS_Edge &E, const Standard_Real Confusion=1.0e-12)
 
 checks if the Edge is same range IGNORING <br>
     the same range flag of the edge <br>
     Confusion argument is to compare real numbers <br>
     idenpendently of any model space tolerance <br>


More...

 
static void SameRange (const TopoDS_Edge &E, const Standard_Real Tolerance=1.0e-5)
 will make all the curve representation have
the same range domain for the parameters.
This will IGNORE the same range flag value
to proceed.
If there is a 3D curve there it will the
range of that curve. If not the first curve representation
encountered in the list will give its range to
the all the other curves.
More...
 
static Standard_Boolean BuildCurve3d (const TopoDS_Edge &E, const Standard_Real Tolerance=1.0e-5, const GeomAbs_Shape Continuity=GeomAbs_C1, const Standard_Integer MaxDegree=14, const Standard_Integer MaxSegment=0)
 Computes the 3d curve for the edge <E> if it does
not exist. Returns True if the curve was computed
or existed. Returns False if there is no planar
pcurve or the computation failed.
<MaxSegment> >= 30 in approximation
More...
 
static Standard_Boolean BuildCurves3d (const TopoDS_Shape &S, const Standard_Real Tolerance, const GeomAbs_Shape Continuity=GeomAbs_C1, const Standard_Integer MaxDegree=14, const Standard_Integer MaxSegment=0)
 Computes the 3d curves for all the edges of <S>
return False if one of the computation failed.
<MaxSegment> >= 30 in approximation
More...
 
static Standard_Boolean BuildCurves3d (const TopoDS_Shape &S)
 Computes the 3d curves for all the edges of <S>
return False if one of the computation failed.
More...
 
static Standard_Boolean UpdateEdgeTol (const TopoDS_Edge &E, const Standard_Real MinToleranceRequest, const Standard_Real MaxToleranceToCheck)
 
 Checks if the edge has a  Tolerance smaller than -- -- <br>

– – MaxToleranceToCheck if so it will compute the
radius of – the cylindrical pipe surface that
MinToleranceRequest is the minimum tolerance before it
is usefull to start testing. Usually it should be arround
10e-5
contains all – the curve represenation of the edge
returns True if the Edge tolerance had to be updated
More...

 
static Standard_Boolean UpdateEdgeTolerance (const TopoDS_Shape &S, const Standard_Real MinToleranceRequest, const Standard_Real MaxToleranceToCheck)
 
 -- Checks all the edges of the shape whose -- -- -- <br>
     Tolerance  is  smaller than  MaxToleranceToCheck -- <br>
      Returns True if at  least  one edge was updated -- <br>
     MinToleranceRequest is the minimum tolerance before <br>
     --  it -- is  usefull to start  testing. Usually it <br>
     should be arround -- 10e-5-- <br>


Warning :The method is very slow as it checks all.
Use only in interfaces or processing assimilate batch

More...

 
static void SameParameter (const TopoDS_Edge &E, const Standard_Real Tolerance=1.0e-5)
 Computes new 2d curve(s) for the edge <E> to have
the same parameter as the 3d curve.
The algorithm is not done if the flag SameParameter
was True on the Edge.
More...
 
static void SameParameter (const TopoDS_Shape &S, const Standard_Real Tolerance=1.0e-5, const Standard_Boolean forced=Standard_False)
 Computes new 2d curve(s) for all the edges of <S>
to have the same parameter as the 3d curve.
The algorithm is not done if the flag SameParameter
was True on an Edge.
More...
 
static void UpdateTolerances (const TopoDS_Shape &S, const Standard_Boolean verifyFaceTolerance=Standard_False)
 Replaces tolerance of FACE EDGE VERTEX by the
tolerance Max of their connected handling shapes.
It is not necessary to use this call after
SameParameter. (called in)
More...
 
static Standard_Boolean OrientClosedSolid (TopoDS_Solid &solid)
 Orients the solid forward and the shell with the
orientation to have matter in the solid. Returns
False if the solid is unOrientable (open or incoherent)
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static void EncodeRegularity (const TopoDS_Shape &S, const Standard_Real TolAng=1.0e-10)
 
Encodes the Regularity of edges on a Shape. <br>

Warning: <TolAng> is an angular tolerance, expressed in Rad.
Warning: If the edges's regularity are coded before, nothing
is done.
More...

 
static void EncodeRegularity (TopoDS_Edge &S, const TopoDS_Face &F1, const TopoDS_Face &F2, const Standard_Real TolAng=1.0e-10)
 
 Encodes the Regularity beetween <F1> and <F2> by <E> <br>

Warning: <TolAng> is an angular tolerance, expressed in Rad.
Warning: If the edge's regularity is coded before, nothing
is done.
More...

 
static void SortFaces (const TopoDS_Shape &S, TopTools_ListOfShape &LF)
 Sorts in LF the Faces of S on the complexity of
their surfaces
(Plane,Cylinder,Cone,Sphere,Torus,other)
More...
 
static void ReverseSortFaces (const TopoDS_Shape &S, TopTools_ListOfShape &LF)
 Sorts in LF the Faces of S on the reverse
complexity of their surfaces
(other,Torus,Sphere,Cone,Cylinder,Plane)
More...
 

Detailed Description

The BRepLib package provides general utilities for
BRep. 

     * FindSurface : Class to compute a surface through <br>
     a set of edges. <br>


Member Function Documentation

static Standard_Boolean BRepLib::BuildCurve3d ( const TopoDS_Edge &  E,
const Standard_Real  Tolerance = 1.0e-5,
const GeomAbs_Shape  Continuity = GeomAbs_C1,
const Standard_Integer  MaxDegree = 14,
const Standard_Integer  MaxSegment = 0 
)
static

Computes the 3d curve for the edge <E> if it does
not exist. Returns True if the curve was computed
or existed. Returns False if there is no planar
pcurve or the computation failed.
<MaxSegment> >= 30 in approximation

static Standard_Boolean BRepLib::BuildCurves3d ( const TopoDS_Shape &  S,
const Standard_Real  Tolerance,
const GeomAbs_Shape  Continuity = GeomAbs_C1,
const Standard_Integer  MaxDegree = 14,
const Standard_Integer  MaxSegment = 0 
)
static

Computes the 3d curves for all the edges of <S>
return False if one of the computation failed.
<MaxSegment> >= 30 in approximation

static Standard_Boolean BRepLib::BuildCurves3d ( const TopoDS_Shape &  S)
static

Computes the 3d curves for all the edges of <S>
return False if one of the computation failed.

static Standard_Boolean BRepLib::CheckSameRange ( const TopoDS_Edge &  E,
const Standard_Real  Confusion = 1.0e-12 
)
static 

 checks if the Edge is same range IGNORING <br>
     the same range flag of the edge <br>
     Confusion argument is to compare real numbers <br>
     idenpendently of any model space tolerance <br>


static void BRepLib::EncodeRegularity ( const TopoDS_Shape &  S,
const Standard_Real  TolAng = 1.0e-10 
)
static 

Encodes the Regularity of edges on a Shape. <br>

Warning: <TolAng> is an angular tolerance, expressed in Rad.
Warning: If the edges's regularity are coded before, nothing
is done.

static void BRepLib::EncodeRegularity ( TopoDS_Edge &  S,
const TopoDS_Face &  F1,
const TopoDS_Face &  F2,
const Standard_Real  TolAng = 1.0e-10 
)
static 

 Encodes the Regularity beetween <F1> and <F2> by <E> <br>

Warning: <TolAng> is an angular tolerance, expressed in Rad.
Warning: If the edge's regularity is coded before, nothing
is done.

static Standard_Boolean BRepLib::OrientClosedSolid ( TopoDS_Solid &  solid)
static

Orients the solid forward and the shell with the
orientation to have matter in the solid. Returns
False if the solid is unOrientable (open or incoherent)

static void BRepLib::Plane ( const Handle< Geom_Plane > &  P)
static

Sets the current plane to P.

static const Handle_Geom_Plane& BRepLib::Plane ( )
static 

 Returns the current plane. <br>


static void BRepLib::Precision ( const Standard_Real  P)
static

Sets the default precision. The current Precision
is returned.

static Standard_Real BRepLib::Precision ( )
static

Returns the default precision.

static void BRepLib::ReverseSortFaces ( const TopoDS_Shape &  S,
TopTools_ListOfShape &  LF 
)
static

Sorts in LF the Faces of S on the reverse
complexity of their surfaces
(other,Torus,Sphere,Cone,Cylinder,Plane)

static void BRepLib::SameParameter ( const TopoDS_Edge &  E,
const Standard_Real  Tolerance = 1.0e-5 
)
static

Computes new 2d curve(s) for the edge <E> to have
the same parameter as the 3d curve.
The algorithm is not done if the flag SameParameter
was True on the Edge.

static void BRepLib::SameParameter ( const TopoDS_Shape &  S,
const Standard_Real  Tolerance = 1.0e-5,
const Standard_Boolean  forced = Standard_False 
)
static

Computes new 2d curve(s) for all the edges of <S>
to have the same parameter as the 3d curve.
The algorithm is not done if the flag SameParameter
was True on an Edge.

static void BRepLib::SameRange ( const TopoDS_Edge &  E,
const Standard_Real  Tolerance = 1.0e-5 
)
static

will make all the curve representation have
the same range domain for the parameters.
This will IGNORE the same range flag value
to proceed.
If there is a 3D curve there it will the
range of that curve. If not the first curve representation
encountered in the list will give its range to
the all the other curves.

static void BRepLib::SortFaces ( const TopoDS_Shape &  S,
TopTools_ListOfShape &  LF 
)
static

Sorts in LF the Faces of S on the complexity of
their surfaces
(Plane,Cylinder,Cone,Sphere,Torus,other)

static Standard_Boolean BRepLib::UpdateEdgeTol ( const TopoDS_Edge &  E,
const Standard_Real  MinToleranceRequest,
const Standard_Real  MaxToleranceToCheck 
)
static 

 Checks if the edge has a  Tolerance smaller than -- -- <br>

– – MaxToleranceToCheck if so it will compute the
radius of – the cylindrical pipe surface that
MinToleranceRequest is the minimum tolerance before it
is usefull to start testing. Usually it should be arround
10e-5
contains all – the curve represenation of the edge
returns True if the Edge tolerance had to be updated

static Standard_Boolean BRepLib::UpdateEdgeTolerance ( const TopoDS_Shape &  S,
const Standard_Real  MinToleranceRequest,
const Standard_Real  MaxToleranceToCheck 
)
static 

 -- Checks all the edges of the shape whose -- -- -- <br>
     Tolerance  is  smaller than  MaxToleranceToCheck -- <br>
      Returns True if at  least  one edge was updated -- <br>
     MinToleranceRequest is the minimum tolerance before <br>
     --  it -- is  usefull to start  testing. Usually it <br>
     should be arround -- 10e-5-- <br>


Warning :The method is very slow as it checks all.
Use only in interfaces or processing assimilate batch

static void BRepLib::UpdateTolerances ( const TopoDS_Shape &  S,
const Standard_Boolean  verifyFaceTolerance = Standard_False 
)
static

Replaces tolerance of FACE EDGE VERTEX by the
tolerance Max of their connected handling shapes.
It is not necessary to use this call after
SameParameter. (called in)

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