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131 lines
3.2 KiB
Plaintext
Executable File
131 lines
3.2 KiB
Plaintext
Executable File
-- Created on: 1993-06-03
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-- Created by: Jacques GOUSSARD
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-- Copyright (c) 1993-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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deferred generic class IWFunction from IntWalk
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(ThePSurface as any)
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inherits FunctionSetWithDerivatives from math
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---Purpose: Template class for a function on a parametric surface.
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-- the form of the function is F(u,v) = 0 where u and v are
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-- the parameteric coordinates of a point on the surface.
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uses Vector from math,
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Matrix from math,
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Pnt from gp,
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Vec from gp,
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Dir2d from gp
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raises UndefinedDerivative from StdFail
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is
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Set(me: in out; PS: ThePSurface)
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is static;
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NbVariables(me)
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---Purpose: This method has to return 2.
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returns Integer from Standard;
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NbEquations(me)
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---Purpose: This method has to return 1.
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returns Integer from Standard;
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Value(me : in out; X : Vector from math;
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F : out Vector from math)
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---Purpose: The dimension of F is 1.
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returns Boolean from Standard;
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Derivatives(me : in out; X : Vector from math;
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D : out Matrix from math)
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---Purpose: The dimension of D is (1,2).
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returns Boolean from Standard;
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Values(me : in out; X : Vector from math;
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F : out Vector from math;
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D : out Matrix from math)
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returns Boolean from Standard;
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Root(me)
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---Purpose: Root is the value of the function at the solution.
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-- It is a vector of dimension 1, i-e a real.
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returns Real from Standard
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is static;
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Tolerance(me)
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---Purpose: Returns the value Tol so that if Abs(Func.Root())<Tol
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-- the function is considered null.
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returns Real from Standard
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is static;
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Point(me)
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---Purpose: Returns the value of the solution point on the surface.
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returns Pnt from gp
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is static;
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IsTangent(me : in out)
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returns Boolean from Standard
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is static;
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Direction3d(me: in out)
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returns Vec from gp
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raises UndefinedDerivative from StdFail
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is static;
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Direction2d(me: in out)
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returns Dir2d from gp
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raises UndefinedDerivative from StdFail
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is static;
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end IWFunction;
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