-- File:	ChFiDS_SurfData.cdl
-- Created:	Fri Nov 26 16:43:33 1993
-- Author:	Isabelle GRIGNON
--		<isg@zerox>
---Copyright:	 Matra Datavision 1993


class SurfData from ChFiDS inherits TShared from MMgt

	---Purpose: 

uses 
    Pnt2d from gp,
    Surface from Geom,
    Orientation from TopAbs,
    FaceInterference from ChFiDS,
    CommonPoint from ChFiDS

is
    Create returns mutable SurfData;
    
    Copy(me: mutable; Other : SurfData from ChFiDS);
    
    IndexOfS1(me) returns Integer is static;
    ---C++: inline    

    IndexOfS2(me) returns Integer is static;
    ---C++: inline    

    IsOnCurve1(me) returns Boolean is static;
    ---C++: inline    

    IsOnCurve2(me) returns Boolean is static;
    ---C++: inline    

    IndexOfC1(me) returns Integer is static;
    ---C++: inline    

    IndexOfC2(me) returns Integer is static;
    ---C++: inline    

    Surf(me) returns Integer is static;
    ---C++: inline

    Orientation(me) returns Orientation from TopAbs is static;
    ---C++: inline

    InterferenceOnS1(me) returns  FaceInterference from ChFiDS is static;
    ---C++: inline
    ---C++: return const &      

    InterferenceOnS2(me) returns  FaceInterference from ChFiDS is static; 
    ---C++: inline
    ---C++: return const &      

    VertexFirstOnS1(me) returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return const &      

    VertexFirstOnS2(me) returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return const &      

    VertexLastOnS1(me) returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return const &      

    VertexLastOnS2(me) returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return const &      

    ChangeIndexOfS1(me : mutable; Index : Integer ) is static; 
    ---C++: inline    

    ChangeIndexOfS2(me : mutable; Index : Integer ) is static; 
    ---C++: inline    

    ChangeSurf(me : mutable; Index : Integer )  is static;
    ---C++: inline

    SetIndexOfC1(me : mutable; Index : Integer ) is static; 
    ---C++: inline    

    SetIndexOfC2(me : mutable; Index : Integer ) is static; 
    ---C++: inline    

    ChangeOrientation(me : mutable) returns Orientation from TopAbs is static;
    ---C++: inline
    ---C++: return &

    ChangeInterferenceOnS1(me : mutable) 
    returns  FaceInterference from ChFiDS is static;
    ---C++: inline
    ---C++: return &      

    ChangeInterferenceOnS2(me : mutable) 
    returns  FaceInterference from ChFiDS is static; 
    ---C++: inline
    ---C++: return &      

    ChangeVertexFirstOnS1(me : mutable) 
    returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return &      

    ChangeVertexFirstOnS2(me : mutable) 
    returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return &      

    ChangeVertexLastOnS1(me : mutable) 
    returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return &      

    ChangeVertexLastOnS2(me : mutable) 
    returns CommonPoint from ChFiDS is static;
    ---C++: inline
    ---C++: return &      

    Interference(me; OnS : Integer from Standard) 
    returns  FaceInterference from ChFiDS is static;
    ---C++: return const &      

    ChangeInterference(me : mutable; OnS : Integer from Standard) 
    returns  FaceInterference from ChFiDS is static;
    ---C++: return &      

    Index(me; OfS : Integer from Standard) 
    returns Integer from Standard is static;


    Vertex(me;
    	   First : Boolean from Standard;
           OnS   : Integer from Standard)
    returns CommonPoint from ChFiDS is static;
    ---C++: return const    &  
    ---Purpose: returns one of the four vertices  wether First is true
    --          or wrong and OnS equals 1 or 2.

    ChangeVertex(me    : mutable;
    	         First : Boolean from Standard;
                 OnS   : Integer from Standard)
    returns CommonPoint from ChFiDS is static;
    ---C++: return &      
    ---Purpose: returns one of the four vertices  wether First is true
    --          or wrong and OnS equals 1 or 2.

    IsOnCurve(me; OnS : Integer from Standard) returns Boolean is static;
    ---C++: inline    

    IndexOfC(me; OnS : Integer from Standard) returns Integer is static;
    ---C++: inline    

    FirstSpineParam(me) returns Real from Standard is static; 
    LastSpineParam(me) returns Real from Standard is static; 
    FirstSpineParam(me : mutable; Par :Real from Standard) is static; 
    LastSpineParam(me : mutable; Par :Real from Standard) is static; 
    
    FirstExtensionValue(me) returns Real from Standard is static;
    LastExtensionValue(me)   returns Real from Standard is static;
    FirstExtensionValue(me:mutable;Extend:Real from Standard) is static;
    LastExtensionValue(me:mutable;Extend:Real from Standard) is static;
  
    Simul(me) returns mutable TShared from MMgt;
    SetSimul(me : mutable; S : TShared from MMgt);
    ResetSimul(me : mutable);

    Get2dPoints(me; First : Boolean from Standard; OnS : Integer from Standard) 
    returns Pnt2d from gp;
    Get2dPoints(me; P2df1,P2dl1,P2df2,P2dl2 : out Pnt2d from gp); 
    Set2dPoints(me : mutable; P2df1,P2dl1,P2df2,P2dl2 : Pnt2d from gp); 

    TwistOnS1(me) returns Boolean is static;
    ---C++: inline    

    TwistOnS2(me) returns Boolean is static;
    ---C++: inline    

    TwistOnS1(me : mutable; T : Boolean from Standard);
    ---C++: inline    

    TwistOnS2(me : mutable; T : Boolean from Standard);
    ---C++: inline    



fields 

pfirstOnS1       : CommonPoint from ChFiDS;
plastOnS1        : CommonPoint from ChFiDS; 
pfirstOnS2       : CommonPoint from ChFiDS; 
plastOnS2        : CommonPoint from ChFiDS;

intf1            : FaceInterference from ChFiDS;
intf2            : FaceInterference from ChFiDS;

p2df1            : Pnt2d from gp; -- 2d points to be used as start point  for  simulation.
p2dl1            : Pnt2d from gp; 
p2df2            : Pnt2d from gp; 
p2dl2            : Pnt2d from gp; 

ufspine          : Real from Standard; -- may be uninitialized
ulspine          : Real from Standard; -- may be uninitialized 
myfirstextend    : Real from Standard;
mylastextend     : Real from Standard; 

simul            : TShared from MMgt;  -- free space to store simulating  sections.

indexOfS1        : Integer from Standard;
indexOfC1        : Integer from Standard;
indexOfS2        : Integer from Standard;
indexOfC2        : Integer from Standard;
indexOfConge     : Integer from Standard;

isoncurv1        : Boolean from Standard; 
isoncurv2        : Boolean from Standard;
twistons1        : Boolean from Standard;
twistons2        : Boolean from Standard; 
orientation      : Orientation from TopAbs; 

end SurfData;