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-- File: UniformAbscissa.cdl
-- Created: Wed Feb 27 09:57:51 1991
-- Author: Jean Claude Vauthier
-- <jcv@topsn3>
---Copyright: Matra Datavision 1991, 1992
class UniformAbscissa from GCPnts
---Purpose: This class allows to compute a uniform distribution of points
-- on a curve (ie the points will all be equally distant).
uses
Curve from Adaptor3d,
Curve2d from Adaptor2d,
HArray1OfReal from TColStd
raises DomainError from Standard,
ConstructionError from Standard,
OutOfRange from Standard,
NotDone from StdFail
is
Create
---Purpose: creation of a indefinite UniformAbscissa
returns UniformAbscissa from GCPnts;
Create(C : in out Curve from Adaptor3d ; Abscissa : Real ; Toler : Real = -1)
--- Purpose : Computes a uniform abscissa distribution of points on
-- the Curve <C>. Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError;
Create(C : in out Curve from Adaptor3d ; Abscissa, U1, U2 : Real ;
Toler : Real = -1)
--- Purpose : Computes a Uniform abscissa distribution of points
-- on a part of the Curve <C>. Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Create(C : in out Curve from Adaptor3d ; NbPoints : Integer ;
Toler : Real = -1)
--- Purpose : Computes a uniform abscissa distribution of points on
-- the Curve <C>.
-- <NbPoints> defines the nomber of desired points.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Create(C : in out Curve from Adaptor3d ; NbPoints : Integer; U1, U2 : Real ;
Toler : Real = -1)
--- Purpose : Computes a Uniform abscissa distribution of points
-- on a part of the Curve <C>.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Initialize(me : in out; C : in out Curve from Adaptor3d ; Abscissa : Real ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <Toler>
raises ConstructionError
is static;
Initialize(me : in out; C : in out Curve from Adaptor3d ; Abscissa, U1, U2 : Real ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <U1>,
-- <U2>, <Toler>
raises ConstructionError,
DomainError
is static;
Initialize(me : in out; C : in out Curve from Adaptor3d ; NbPoints : Integer ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <NbPoints>, <Toler> and
raises ConstructionError
is static;
Initialize(me : in out; C : in out Curve from Adaptor3d ; NbPoints : Integer; U1, U2 : Real ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <U1>,
-- <U2>, <Toler>.
raises ConstructionError,
DomainError
is static;
Create(C : in out Curve2d from Adaptor2d ; Abscissa : Real ; Toler : Real = -1)
--- Purpose : Computes a uniform abscissa distribution of points on
-- the Curve2d <C>.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError;
Create(C : in out Curve2d from Adaptor2d ; Abscissa, U1, U2 : Real ; Toler : Real = -1)
--- Purpose : Computes a Uniform abscissa distribution of points
-- on a part of the Curve2d <C>.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Create(C : in out Curve2d from Adaptor2d ; NbPoints : Integer ;
Toler : Real = -1)
--- Purpose : Computes a uniform abscissa distribution of points on
-- the Curve2d <C>.
-- <NbPoints> defines the nomber of desired points.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Create(C : in out Curve2d from Adaptor2d ; NbPoints : Integer; U1, U2 : Real ;
Toler : Real = -1)
--- Purpose : Computes a Uniform abscissa distribution of points
-- on a part of the Curve2d <C>.
-- Parameter Toler is equal Precision::Confusion by default.
-- It Is used for more precise calculation of curve length
returns UniformAbscissa from GCPnts
raises ConstructionError,
DomainError;
Initialize(me : in out; C : in out Curve2d from Adaptor2d ; Abscissa : Real ; Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <Toler>
raises ConstructionError
is static;
Initialize(me : in out; C : in out Curve2d from Adaptor2d ; Abscissa, U1, U2 : Real ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <U1>,
-- <U2>, <Toler>
raises ConstructionError,
DomainError
is static;
Initialize(me : in out; C : in out Curve2d from Adaptor2d ; NbPoints : Integer ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <NbPoints>, <Toler> and
raises ConstructionError
is static;
Initialize(me : in out; C : in out Curve2d from Adaptor2d ; NbPoints : Integer; U1, U2 : Real ;
Toler : Real = -1)
---Purpose: Initialize the algoritms with <C>, <Abscissa>, <U1>,
-- <U2>, <Toler>.
raises ConstructionError,
DomainError
is static;
IsDone(me) returns Boolean
---C++: inline
is static;
NbPoints(me) returns Integer
---C++: inline
is static;
Parameter(me; Index : Integer) returns Real
---Purpose : returns the computed Parameter of index <Index>.
---C++: inline
is static;
Abscissa(me) returns Real
---Purpose : returne the current abscissa
-- ie the distance between two consecutive points
---C++: inline
is static;
fields
myDone : Boolean;
myNbPoints : Integer ;
-- stores the number of points computed with the
-- requested Abscissa else stores the requested
-- number of points
myAbscissa : Real;
myParams : HArray1OfReal from TColStd ;
-- the size of this array will be be bigger than myNbPoints
-- by one or two
end UniformAbscissa;
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