Files
OCCT/src/GeomConvert/GeomConvert_FuncConeLSDist.cxx
ifv b315a85dd7 0032940: Canonical Recognition: Some surfaces are not recognized as cylindrical surfaces
New method for recognizing cylindrical surfaces based on analysis Gaussian field of initial surface is added  in
class GeomConvert_SurfToAnaSurf
2022-07-19 21:20:53 +03:00

69 lines
2.2 KiB
C++

// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2022 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <GeomConvert_FuncConeLSDist.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Ax3.hxx>
#include <math_Vector.hxx>
#include <ElSLib.hxx>
//=======================================================================
//function : GeomConvert_FuncConeLSDist
//purpose :
//=======================================================================
GeomConvert_FuncConeLSDist::GeomConvert_FuncConeLSDist(
const Handle(TColgp_HArray1OfXYZ)& thePoints,
const gp_Dir& theDir):
myPoints(thePoints), myDir(theDir)
{
}
//=======================================================================
//function : NbVariables
//purpose :
//=======================================================================
Standard_Integer GeomConvert_FuncConeLSDist::NbVariables () const
{
return 5;
}
//=======================================================================
//function : Value
//purpose :
//=======================================================================
Standard_Boolean GeomConvert_FuncConeLSDist::Value(const math_Vector& X, Standard_Real& F)
{
gp_Pnt aLoc(X(1), X(2), X(3));
Standard_Real aSemiAngle = X(4), anR = X(5);
gp_Ax3 aPos(aLoc, myDir);
F = 0.;
Standard_Integer i;
for (i = myPoints->Lower(); i <= myPoints->Upper(); ++i)
{
Standard_Real u, v;
gp_Pnt aPi(myPoints->Value(i));
ElSLib::ConeParameters(aPos, anR, aSemiAngle, aPi, u, v);
gp_Pnt aPp;
ElSLib::ConeD0(u, v, aPos, anR, aSemiAngle, aPp);
F += aPi.SquareDistance(aPp);
}
return Standard_True;
}