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-- File: BRepLib.cdl
-- Created: Wed Dec 15 15:34:04 1993
-- Author: Remi LEQUETTE
-- <rle@zerox>
---Copyright: Matra Datavision 1993
package BRepLib
---Purpose: The BRepLib package provides general utilities for
-- BRep.
--
-- * FindSurface : Class to compute a surface through
-- a set of edges.
--
-- * Compute missing 3d curve on an edge.
uses
Standard,
StdFail,
gp,
Geom,
GeomAbs,
Geom2d,
TopoDS,
TopLoc,
TopTools,
TopAbs
is
enumeration EdgeError is
---Purpose: Errors that can occur at edge construction.
EdgeDone, -- no error
PointProjectionFailed,
ParameterOutOfRange,
DifferentPointsOnClosedCurve,
PointWithInfiniteParameter,
DifferentsPointAndParameter,
LineThroughIdenticPoints
end EdgeError;
enumeration WireError is
---Purpose: Errors that can occur at wire construction.
WireDone, -- no error
EmptyWire,
DisconnectedWire,
NonManifoldWire
end WireError;
enumeration FaceError is
---Purpose: Errors that can occur at face construction.
FaceDone, -- no error
NoFace, -- not initialised
NotPlanar,
CurveProjectionFailed,
ParametersOutOfRange
end FaceError;
enumeration ShellError is
---Purpose: Errors that can occur at shell construction.
ShellDone, -- no error
EmptyShell,
DisconnectedShell,
ShellParametersOutOfRange
end ShellError;
enumeration ShapeModification is
---Purpose: Modification type after a topologic operation.
Preserved, -- no modification
Deleted,
Trimmed,
Merged,
BoundaryModified
end ShapeModification;
deferred class Command;
---Purpose: Root class for all BRepBuilderAPI commands.
deferred class MakeShape;
---Purpose: Root class for all shape constructions.
--
-- Construction of topology from geometry
--
class MakeVertex;
class MakeEdge;
class MakeEdge2d;
class MakePolygon;
class MakeFace;
--
-- Construction of composite topologies
--
class MakeWire;
class MakeShell;
class MakeSolid;
--- END of API commands.
class FindSurface;
---Purpose: Find a surface in a set of edges.
class FuseEdges;
---Purpose:
--
-- Default precison methods.
-- The default precision is initialized with Precision::Confusion()
--
Precision(P : Real);
---Purpose: Sets the default precision. The current Precision
-- is returned.
---Level: Public
Precision returns Real;
---Purpose: Returns the default precision.
---Level: Public
--
-- Default plane for 2d edges.
--
Plane(P : Plane from Geom);
---Purpose: Sets the current plane to P.
---Level: Public
Plane returns Plane from Geom;
---Purpose: Returns the current plane.
--
---C++: return const &
---Level: Public
CheckSameRange(E : Edge from TopoDS ;
Confusion : Real from Standard = 1.0e-12)
returns Boolean;
---Purpose: checks if the Edge is same range IGNORING
-- the same range flag of the edge
-- Confusion argument is to compare real numbers
-- idenpendently of any model space tolerance
--
SameRange(E : Edge from TopoDS ;
Tolerance : Real from Standard = 1.0e-5) ;
---Purpose: 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.
BuildCurve3d(E : Edge from TopoDS ;
Tolerance : Real from Standard = 1.0e-5 ;
Continuity : Shape from GeomAbs = GeomAbs_C1;
MaxDegree : Integer = 14;
MaxSegment : Integer = 0 --30
) returns Boolean;
---Purpose: 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.
-- <MaxSegment> >= 30 in approximation
BuildCurves3d(S : Shape from TopoDS ;
Tolerance : Real from Standard;
Continuity : Shape from GeomAbs = GeomAbs_C1;
MaxDegree : Integer = 14;
MaxSegment : Integer = 0 --30
) returns Boolean;
---Purpose: Computes the 3d curves for all the edges of <S>
-- return False if one of the computation failed.
-- <MaxSegment> >= 30 in approximation
BuildCurves3d(S : Shape from TopoDS)
returns Boolean;
---Purpose: Computes the 3d curves for all the edges of <S>
-- return False if one of the computation failed.
--
--
UpdateEdgeTol( E : Edge from TopoDS ;
MinToleranceRequest : Real from Standard ;
MaxToleranceToCheck : Real from Standard)
---Purpose: Checks if the edge has a Tolerance smaller than -- --
-- -- -- 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
returns Boolean ;
UpdateEdgeTolerance(S : Shape from TopoDS;
MinToleranceRequest : Real from Standard ;
MaxToleranceToCheck : Real from Standard)
---Purpose: -- Checks all the edges of the shape whose -- -- --
-- Tolerance is smaller than MaxToleranceToCheck --
-- Returns True if at least one edge was updated --
-- MinToleranceRequest is the minimum tolerance before
-- -- it -- is usefull to start testing. Usually it
-- should be arround -- 10e-5--
--
-- Warning :The method is very slow as it checks all.
-- Use only in interfaces or processing assimilate batch
--
returns Boolean ;
SameParameter(E: Edge from TopoDS;
Tolerance : Real from Standard = 1.0e-5);
---Purpose: 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.
SameParameter(S: Shape from TopoDS ;
Tolerance : Real from Standard = 1.0e-5;
forced : Boolean from Standard = Standard_False);
---Purpose: 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.
UpdateTolerances(S: Shape from TopoDS;
verifyFaceTolerance : Boolean from Standard = Standard_False);
---Purpose: 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)
OrientClosedSolid(solid : in out Solid from TopoDS)
---Purpose: 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)
returns Boolean;
EncodeRegularity(S : Shape from TopoDS;
TolAng : Real from Standard = 1.0e-10);
---Purpose: Encodes the Regularity of edges on a Shape.
-- Warning: <TolAng> is an angular tolerance, expressed in Rad.
-- Warning: If the edges's regularity are coded before, nothing
-- is done.
EncodeRegularity(S : in out Edge from TopoDS;
F1, F2 : Face from TopoDS;
TolAng : Real from Standard = 1.0e-10);
---Purpose: Encodes the Regularity beetween <F1> and <F2> by <E>
-- Warning: <TolAng> is an angular tolerance, expressed in Rad.
-- Warning: If the edge's regularity is coded before, nothing
-- is done.
SortFaces (S : Shape from TopoDS;
LF : in out ListOfShape from TopTools);
---Purpose: Sorts in LF the Faces of S on the complexity of
-- their surfaces
-- (Plane,Cylinder,Cone,Sphere,Torus,other)
ReverseSortFaces (S : Shape from TopoDS;
LF : in out ListOfShape from TopTools);
---Purpose: Sorts in LF the Faces of S on the reverse
-- complexity of their surfaces
-- (other,Torus,Sphere,Cone,Cylinder,Plane)
end BRepLib;
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