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-- File: BRepAlgo_NormalProjection.cdl
-- Created: Mon Oct 13 16:14:20 1997
-- Author: Roman BORISOV
-- <rbv@velox.nnov.matra-dtv.fr>
---Copyright: Matra Datavision 1997
class NormalProjection from BRepAlgo
---Purpose: This class makes the projection of a wire on a
-- shape.
uses Shape from TopoDS,
Edge from TopoDS,
Shape from GeomAbs,
Curve from Adaptor3d,
ListOfShape from TopTools,
DataMapOfShapeShape from TopTools,
DataMapOfShapeListOfShape from TopTools
raises ConstructionError from Standard,
NoSuchObject from Standard,
NotDone from StdFail
is
Create
returns NormalProjection;
Create(S: Shape from TopoDS)
returns NormalProjection;
Init(me: in out; S: Shape from TopoDS)
is static;
Add(me: in out; ToProj: Shape from TopoDS)
---Purpose: Add an edge or a wire to the list of shape to project
--
raises ConstructionError from Standard
is static;
SetParams(me : in out; Tol3D, Tol2D : Real from Standard;
InternalContinuity : Shape from GeomAbs;
MaxDegree , MaxSeg : Integer from Standard)
---Purpose: Set the parameters used for computation
-- Tol3d is the requiered tolerance between the 3d projected
-- curve and its 2d representation
-- InternalContinuity is the order of constraints
-- used for approximation.
-- MaxDeg and MaxSeg are the maximum degree and the maximum
-- number of segment for BSpline resulting of an approximation.
is static;
SetDefaultParams(me : in out)
---Purpose: Set the parameters used for computation
-- in their default values
is static;
SetMaxDistance(me: in out; MaxDist: Real from Standard)
---Purpose: Sets the maximum distance between target shape and
-- shape to project. If this condition is not satisfied then
-- corresponding part of solution is discarded.
-- if MaxDist < 0 then this method does not affect the algorithm
is static;
Compute3d(me: in out; With3d: Boolean from Standard = Standard_True)
---Purpose: if With3d = Standard_False the 3dcurve is not computed
-- the initial 3dcurve is kept to build the resulting edges.
is static;
SetLimit(me : in out; FaceBoundaries: Boolean from Standard = Standard_True)
---Purpose: Manage limitation of projected edges.
--By default edges are limited by face boundaries,
--else they are limited by supporting surface boundaries.
is static;
Build(me: in out);
---Purpose: Builds the result as a compound.
IsDone(me)
returns Boolean from Standard
is static;
Projection(me)
---Purpose: returns the result
returns Shape from TopoDS
---C++: return const&
raises NotDone from StdFail
is static;
Ancestor(me; E: Edge from TopoDS)
---Purpose: For a resulting edge, returns the corresponding initial edge.
returns Shape from TopoDS
---C++: return const&
raises NotDone from StdFail,
NoSuchObject from Standard
is static;
Couple(me; E: Edge from TopoDS)
---Purpose: For a projected edge, returns the corresponding initial face.
returns Shape from TopoDS
---C++: return const&
raises NotDone from StdFail,
NoSuchObject from Standard
is static;
Generated (me: in out; S : Shape from TopoDS)
---Purpose: Returns the list of shapes generated from the
-- shape <S>.
---C++: return const &
returns ListOfShape from TopTools;
IsElementary(me; C: Curve from Adaptor3d)
returns Boolean from Standard
is static;
BuildWire(me; Liste : out ListOfShape from TopTools)
returns Boolean from Standard
is static;
--- Purpose : build the result as a list of wire if possible in --
-- a first returns a wire only if there is only a wire.
--
fields
myShape : Shape from TopoDS;
myIsDone : Boolean from Standard;
myTol3d : Real from Standard;
myTol2d : Real from Standard;
myMaxDist : Real from Standard;
myWith3d : Boolean from Standard;
myContinuity : Shape from GeomAbs;
myMaxDegree : Integer from Standard;
myMaxSeg : Integer from Standard;
myFaceBounds : Boolean from Standard;
myToProj : Shape from TopoDS;
myAncestorMap : DataMapOfShapeShape from TopTools;
myCorresp : DataMapOfShapeShape from TopTools;
myDescendants : DataMapOfShapeListOfShape from TopTools;
myRes : Shape from TopoDS;
end NormalProjection;
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