-- File: Extrema_FuncExtSS.cdl -- Created: Tue Jan 9 10:08:55 1996 -- Author: Laurent PAINNOT -- ---Copyright: Matra Datavision 1996 private class FuncExtSS from Extrema inherits FunctionSetWithDerivatives from math ---Purpose: Fonction permettant de rechercher les extrema de la -- distance entre deux surfaces. uses POnSurf from Extrema, SequenceOfPOnSurf from Extrema, SequenceOfReal from TColStd, Pnt from gp, Vector from math, Matrix from math, Surface from Adaptor3d, SurfacePtr from Adaptor3d raises OutOfRange from Standard is Create returns FuncExtSS; Create (S1, S2: Surface from Adaptor3d) returns FuncExtSS; ---Purpose: Initialize(me: in out; S1, S2: Surface from Adaptor3d) ---Purpose: sets the field mysurf of the function. is static; ------------------------------------------------------------ -- In all next methods, an exception is raised if the fields -- were not initialized. NbVariables (me) returns Integer; NbEquations (me) returns Integer; Value (me: in out; UV: Vector; F: out Vector) returns Boolean; ---Purpose: Calcul de Fi(U,V). Derivatives (me: in out; UV: Vector; DF: out Matrix) returns Boolean; ---Purpose: Calcul de Fi'(U,V). Values (me: in out; UV: Vector; F: out Vector; DF: out Matrix) returns Boolean; ---Purpose: Calcul de Fi(U,V) et Fi'(U,V). GetStateNumber (me: in out) returns Integer ---Purpose: Memorise l'extremum trouve. is redefined; NbExt (me) returns Integer; ---Purpose: Renvoie le nombre d'extrema trouves. SquareDistance (me; N: Integer) returns Real ---Purpose: Renvoie la valeur de la Nieme distance. raises OutOfRange; -- si N < 1 ou N > NbExt(me). PointOnS1 (me; N: Integer) returns POnSurf ---Purpose: Renvoie le Nieme extremum sur S1. raises OutOfRange; -- si N < 1 ou N > NbExt(me). PointOnS2 (me; N: Integer) returns POnSurf ---Purpose: Renvoie le Nieme extremum sur S2. raises OutOfRange; -- si N < 1 ou N > NbExt(me). Bidon(me) returns SurfacePtr from Adaptor3d is static private; fields myS1 : SurfacePtr from Adaptor3d; myS2 : SurfacePtr from Adaptor3d; myP1 : Pnt from gp; myP2 : Pnt from gp; myU1 : Real; -- valeur courante de U sur S1 myV1 : Real; -- valeur courante de V sur S1 myU2 : Real; -- valeur courante de U sur S2 myV2 : Real; -- valeur courante de V sur S2 mySqDist: SequenceOfReal from TColStd; myPoint1: SequenceOfPOnSurf from Extrema; myPoint2: SequenceOfPOnSurf from Extrema; myS1init: Boolean; myS2init: Boolean; end FuncExtSS;