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-- File: ExtSS.cdl
-- Created: Thu Feb 21 18:51:53 1991
-- Author: Isabelle GRIGNON
-- <isg@topsn3>
---Copyright: Matra Datavision 1991
class ExtSS from Extrema
---Purpose: It calculates all the extremum distances
-- between two surfaces.
-- These distances can be minimum or maximum.
uses POnSurf from Extrema,
ExtElSS from Extrema,
Pnt from gp,
SurfaceType from GeomAbs,
SequenceOfPOnSurf from Extrema,
SequenceOfReal from TColStd,
Surface from Adaptor3d,
SurfacePtr from Adaptor3d
raises NotDone from StdFail,
OutOfRange from Standard,
TypeMismatch from Standard
is
Create returns ExtSS;
Create (S1, S2: Surface from Adaptor3d; TolS1, TolS2: Real)
returns ExtSS;
---Purpose: It calculates all the distances between S1 and S2.
Create (S1, S2: Surface from Adaptor3d;
Uinf1, Usup1, Vinf1, Vsup1: Real;
Uinf2, Usup2, Vinf2, Vsup2: Real;
TolS1, TolS2: Real)
returns ExtSS;
---Purpose: It calculates all the distances between S1 and S2.
Initialize(me: in out; S2: Surface from Adaptor3d;
Uinf2, Usup2, Vinf2, Vsup2: Real; TolS1: Real)
---Purpose: Initializes the fields of the algorithm.
is static;
Perform(me: in out; S1: Surface from Adaptor3d;
Uinf1, Usup1, Vinf1, Vsup1: Real; TolS1: Real)
---Purpose: Computes the distances.
-- An exception is raised if the fieds have not been
-- initialized.
raises TypeMismatch from Standard
is static;
IsDone (me) returns Boolean
---Purpose: Returns True if the distances are found.
is static;
IsParallel (me) returns Boolean
---Purpose: Returns True if the curve is on a parallel surface.
raises NotDone from StdFail
-- if IsDone(me)=False.
is static;
NbExt (me) returns Integer
---Purpose: Returns the number of extremum distances.
raises NotDone from StdFail
-- if IsDone(me)=False.
is static;
SquareDistance (me; N: Integer) returns Real
---Purpose: Returns the value of the Nth resulting square distance.
raises NotDone from StdFail,
-- if IsDone(me)=False.
OutOfRange
-- if N < 1 or N > NbPoints(me).
is static;
Points (me; N: Integer; P1: out POnSurf; P2: out POnSurf)
---Purpose: Returns the point of the Nth resulting distance.
raises NotDone from StdFail,
-- if IsDone(me)=False.
OutOfRange from Standard
-- if N < 1 or N > NbPoints(me).
is static;
Bidon(me) returns SurfacePtr from Adaptor3d
is static private;
fields
myS2 : SurfacePtr from Adaptor3d;
myDone : Boolean from Standard;
myIsPar : Boolean from Standard;
myExtElSS: ExtElSS from Extrema;
myPOnS1 : SequenceOfPOnSurf from Extrema;
myPOnS2 : SequenceOfPOnSurf from Extrema;
myuinf1 : Real from Standard;
myusup1 : Real from Standard;
myvinf1 : Real from Standard;
myvsup1 : Real from Standard;
myuinf2 : Real from Standard;
myusup2 : Real from Standard;
myvinf2 : Real from Standard;
myvsup2 : Real from Standard;
mytolS1 : Real from Standard;
mytolS2 : Real from Standard;
mySqDist : SequenceOfReal from TColStd;
myStype : SurfaceType from GeomAbs;
end ExtSS;
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