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-- File: PathPointTool.cdl
-- Created: Fri Sep 25 16:41:41 1992
-- Author: Jacques GOUSSARD
-- <jag@sdsun2>
---Copyright: Matra Datavision 1992
class PathPointTool from IntSurf
uses Pnt from gp,
Vec from gp,
Dir2d from gp,
PathPoint from IntSurf
raises OutOfRange from Standard,
UndefinedDerivative from StdFail
is
Value3d(myclass; PStart: PathPoint from IntSurf)
---Purpose: Returns the 3d coordinates of the starting point.
returns Pnt from gp;
---C++: inline
Value2d(myclass; PStart: PathPoint from IntSurf;
U, V: out Real from Standard);
---Purpose: Returns the <U, V> parameters which are associated
-- with <P>
-- it's the parameters which start the marching algorithm
---C++: inline
IsPassingPnt(myclass; PStart: PathPoint from IntSurf)
---Purpose: Returns True if the point is a point on a non-oriented
-- arc, which means that the intersection line does not
-- stop at such a point but just go through such a point.
-- IsPassingPnt is True when IsOnArc is True
returns Boolean from Standard;
---C++: inline
IsTangent(myclass; PStart: PathPoint from IntSurf )
---Purpose: Returns True if the surfaces are tangent at this point.
-- IsTangent can be True when IsOnArc is True
-- if IsPassingPnt is True and IsTangent is True,this point
-- is a stopped point.
returns Boolean from Standard;
---C++: inline
Direction3d(myclass; PStart: PathPoint from IntSurf)
---Purpose: returns the tangent at the intersection in 3d space
-- associated to <P>
-- an exception is raised if IsTangent is true.
returns Vec from gp
---C++: inline
raises UndefinedDerivative from StdFail;
Direction2d(myclass; PStart: PathPoint from IntSurf)
---Purpose: returns the tangent at the intersection in the
-- parametric space of the parametrized surface.This tangent
-- is associated to the value2d
-- la tangente a un sens signifiant (indique le sens de chemin
-- ement)
-- an exception is raised if IsTangent is true.
returns Dir2d from gp
---C++: inline
raises UndefinedDerivative from StdFail;
Multiplicity(myclass; PStart: PathPoint from IntSurf)
---Purpose: Returns the multiplicity of the point i-e
-- the number of auxillar parameters associated to the
-- point which the principal parameters are given by Value2d
returns Integer from Standard;
---C++: inline
Parameters(myclass; PStart: PathPoint from IntSurf;
Mult: Integer from Standard;
U, V: out Real from Standard)
---Purpose: Parametric coordinates associated to the multiplicity.
-- An exception is raised if Mult<=0 or Mult>multiplicity.
---C++: inline
raises OutOfRange from Standard;
end PathPointTool;
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