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-- File: Contap_Point.cdl
-- Created: Thu Mar 4 17:22:45 1993
-- Author: Jacques GOUSSARD
-- <jag@form4>
---Copyright: Matra Datavision 1993
generic class Point from Contap
(TheVertex as any;
TheArc as any)
---Purpose: Definition of a vertex on the contour line.
-- Most of the time, such a point is an intersection
-- between the contour and a restriction of the surface.
-- When it is not tyhe method IsOnArc return False.
-- Such a point is contains geometrical informations (see
-- the Value method) and logical informations.
uses Pnt from gp,
Transition from IntSurf
raises DomainError from Standard
is
Create
---Purpose: Empty constructor.
returns Point from Contap;
Create(Pt: Pnt from gp; U,V: Real from Standard)
---Purpose: Creates a point.
returns Point from Contap;
SetValue(me: in out; Pt: Pnt from gp; U,V: Real from Standard)
---Purpose: Sets the values for a point.
---C++: inline
is static;
SetParameter(me: in out; Para: Real from Standard)
---Purpose: Set the value of the parameter on the intersection line.
---C++: inline
is static;
SetVertex(me: in out; V: TheVertex)
---Purpose: Sets the values of a point which is a vertex on
-- the initial facet of restriction of one
-- of the surface.
---C++: inline
is static;
SetArc(me: in out; A: TheArc; Param: Real from Standard;
TLine,TArc: Transition from IntSurf)
---Purpose: Sets the value of the arc and of the parameter on
-- this arc of the point.
---C++: inline
is static;
SetMultiple(me: in out)
---C++: inline
is static;
SetInternal(me : in out)
---C++: inline
is static;
Value(me)
---Purpose: Returns the intersection point (geometric information).
returns Pnt from gp
---C++: return const&
---C++: inline
is static;
ParameterOnLine(me)
---Purpose: This method returns the parameter of the point
-- on the intersection line.
-- If the points does not belong to an intersection line,
-- the value returned does not have any sens.
returns Real from Standard
---C++: inline
is static;
Parameters(me; U1,V1: out Real from Standard)
---Purpose: Returns the parameters on the surface of the point.
---C++: inline
is static;
IsOnArc(me)
---Purpose: Returns True when the point is an intersection between
-- the contour and a restriction.
returns Boolean from Standard
---C++: inline
is static;
Arc(me)
---Purpose: Returns the arc of restriction containing the
-- vertex.
returns any TheArc
---C++: return const&
---C++: inline
raises DomainError from Standard
--- The exception DomianError is raised when IsOnArc
-- returns Standard_False.
is static;
ParameterOnArc(me)
---Purpose: Returns the parameter of the point on the
-- arc returned by the method Arc().
returns Real from Standard
---C++: inline
raises DomainError from Standard
--- The exception DomianError is raised when IsOnArc
-- returns Standard_False.
is static;
TransitionOnLine(me)
---Purpose: Returns the transition of the point on the contour.
returns Transition from IntSurf
---C++: inline
---C++: return const&
raises DomainError from Standard
--- The exception DomianError is raised when IsOnArc
-- returns Standard_False.
is static;
TransitionOnArc(me)
---Purpose: Returns the transition of the point on the arc.
returns Transition from IntSurf
---C++: inline
---C++: return const&
raises DomainError from Standard
--- The exception DomianError is raised when IsOnArc
-- returns Standard_False.
is static;
IsVertex(me)
---Purpose: Returns TRUE if the point is a vertex on the initial
-- restriction facet of the surface.
returns Boolean from Standard
---C++: inline
is static;
Vertex(me)
---Purpose: Returns the information about the point when it is
-- on the domain of the patch, i-e when the function
-- IsVertex returns True.
-- Otherwise, an exception is raised.
returns any TheVertex
---C++: return const&
---C++: inline
raises DomainError from Standard
is static;
IsMultiple(me)
---Purpose: Returns True if the point belongs to several
-- lines.
returns Boolean from Standard
---C++: inline
is static;
IsInternal(me)
---Purpose: Returns True if the point is an internal one, i.e
-- if the tangent to the line on the point and the
-- eye direction are parallel.
returns Boolean from Standard
---C++: inline
is static;
fields
pt : Pnt from gp;
uparam : Real from Standard;
vparam : Real from Standard;
paraline : Real from Standard;
onarc : Boolean from Standard;
arc : TheArc;
traline : Transition from IntSurf;
traarc : Transition from IntSurf;
prmarc : Real from Standard;
isvtx : Boolean from Standard;
vtx : TheVertex;
ismult : Boolean from Standard;
myInternal : Boolean from Standard;
end Point;
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