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-- File: GeomAPI_ProjectPointOnSurf.cdl
-- Created: Thu Mar 17 15:57:27 1994
-- Author: Bruno DUMORTIER
---Copyright: Matra Datavision 1994
class ProjectPointOnSurf from GeomAPI
--- Purpose:
-- This class implements methods for computing all the orthogonal
-- projections of a point onto a surface.
uses
Surface from Geom,
ExtPS from Extrema,
Pnt from gp,
Length from Quantity,
Parameter from Quantity,
--modified by NIZNHY-PKV Thu Apr 4 10:37:24 2002 f
Surface from GeomAdaptor
--modified by NIZNHY-PKV Thu Apr 4 10:37:28 2002 t
raises
OutOfRange from Standard,
NotDone from StdFail
is
Create
---Purpose: Creates an empty object. Use the
-- Init function for further initialization.
returns ProjectPointOnSurf from GeomAPI;
Create(P : Pnt from gp;
Surface : Surface from Geom)
---Purpose: Create the projection of a point <P> on a surface
-- <Surface>
---Level: Public
returns ProjectPointOnSurf from GeomAPI;
Create(P : Pnt from gp;
Surface : Surface from Geom;
Tolerance : Real from Standard)
---Purpose: Create the projection of a point <P> on a surface
-- <Surface>
---Level: Public
returns ProjectPointOnSurf from GeomAPI;
---Purpose: Create the projection of a point <P> on a surface
-- <Surface>. The solution are computed in the domain
-- [Umin,Usup] [Vmin,Vsup] of the surface.
---Level: Public
Create(P : Pnt from gp;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity;
Tolerance : Real from Standard)
returns ProjectPointOnSurf from GeomAPI;
Create(P : Pnt from gp;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity)
returns ProjectPointOnSurf from GeomAPI;
---Purpose: Init the projection of a point <P> on a surface
-- <Surface>
---Level: Public
Init(me : in out;
P : Pnt from gp;
Surface : Surface from Geom;
Tolerance : Real from Standard)
is static;
Init(me : in out;
P : Pnt from gp;
Surface : Surface from Geom)
is static;
---Purpose: Init the projection of a point <P> on a surface
-- <Surface>. The solution are computed in the domain
-- [Umin,Usup] [Vmin,Vsup] of the surface.
---Level: Public
Init(me : in out;
P : Pnt from gp;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity;
Tolerance : Real from Standard)
---Level: Public
is static;
Init(me : in out;
P : Pnt from gp;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity)
is static;
---Purpose: Init the projection for many points on a surface
-- <Surface>. The solutions will be computed in the domain
-- [Umin,Usup] [Vmin,Vsup] of the surface.
---Level: Public
Init(me : in out;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity;
Tolerance : Real from Standard)
is static;
Init(me : in out;
Surface : Surface from Geom;
Umin, Usup,
Vmin, Vsup : Parameter from Quantity)
is static;
Perform (me: in out; P: Pnt from gp)
---Purpose: Performs the projection of a point on the current surface.
---Level : Public.
is static;
IsDone (me) returns Boolean from Standard is static;
NbPoints(me)
---Purpose: Returns the number of computed orthogonal projection points.
-- Note: if projection fails, NbPoints returns 0.
returns Integer
---C++: alias "Standard_EXPORT operator Standard_Integer() const;"
is static;
Point(me; Index : Integer from Standard)
---Purpose: Returns the orthogonal projection
-- on the surface. Index is a number of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
returns Pnt from gp
raises OutOfRange from Standard
is static;
Parameters(me; Index : Integer from Standard;
U, V : out Parameter from Quantity)
---Purpose: Returns the parameters (U,V) on the
-- surface of the orthogonal projection. Index is a number of a
-- computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
raises OutOfRange from Standard
is static;
Distance(me; Index : Integer from Standard)
returns Length from Quantity
---Purpose: Computes the distance between the
-- point and its orthogonal projection on the surface. Index is a number
-- of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
raises OutOfRange from Standard
is static;
NearestPoint(me)
---Purpose: Returns the nearest orthogonal projection of the point
-- on the surface.
-- Exceptions
-- StdFail_NotDone if projection fails.
returns Pnt from gp
---C++: alias "Standard_EXPORT operator gp_Pnt() const;"
raises NotDone from StdFail
is static;
LowerDistanceParameters(me; U, V : out Parameter from Quantity)
---Purpose: Returns the parameters (U,V) on the
-- surface of the nearest computed orthogonal projection of the point.
-- Exceptions
-- StdFail_NotDone if projection fails.
raises NotDone from StdFail
is static;
LowerDistance(me)
---Purpose: Computes the distance between the
-- point and its nearest orthogonal projection on the surface.
-- Exceptions
-- StdFail_NotDone if projection fails.
returns Length from Quantity
---C++: alias "Standard_EXPORT operator Standard_Real() const;"
raises NotDone from StdFail
is static;
Extrema(me)
---Purpose: return the algorithmic object from Extrema
---Level: Advanced
---C++: return const&
---C++: inline
returns ExtPS from Extrema
is static;
Init(me : in out) is static private;
---Level: Private
fields
myIsDone : Boolean from Standard;
myIndex : Integer from Standard; -- index of the nearest solution
myExtPS : ExtPS from Extrema;
--modified by NIZNHY-PKV Thu Apr 4 10:36:31 2002 f
myGeomAdaptor: Surface from GeomAdaptor;
--modified by NIZNHY-PKV Thu Apr 4 10:36:33 2002 t
end ProjectPointOnSurf;
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