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occt/src/GC/GC_MakeTrimmedCone.cxx
bugmaster b311480ed5 0023024: Update headers of OCCT files
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

97 lines
3.5 KiB
C++
Executable File

// Created on: 1992-10-02
// Created by: Remi GILET
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <GC_MakeTrimmedCone.ixx>
#include <GC_MakeConicalSurface.hxx>
#include <StdFail_NotDone.hxx>
#include <Geom_ConicalSurface.hxx>
#include <gp_Dir.hxx>
#include <gp_Lin.hxx>
#include <gp_Pnt.hxx>
#include <Extrema_ExtPElC.hxx>
//=========================================================================
// Creation of a cone by four points. +
// First two give the axis. +
// The third gives the base radius. +
// the third and the fourth demi-angle. +
//=========================================================================
GC_MakeTrimmedCone::GC_MakeTrimmedCone(const gp_Pnt& P1 ,
const gp_Pnt& P2 ,
const gp_Pnt& P3 ,
const gp_Pnt& P4 )
{
GC_MakeConicalSurface Cone(P1,P2,P3,P4);
TheError = Cone.Status();
if (TheError == gce_Done) {
gp_Dir D1(P2.XYZ()-P1.XYZ());
gp_Lin L1(P1,D1);
Extrema_ExtPElC ext1(P3,L1,1.0e-7,-2.0e+100,+2.0e+100);
Extrema_ExtPElC ext2(P4,L1,1.0e-7,-2.0e+100,+2.0e+100);
gp_Pnt P5 = ext1.Point(1).Value();
gp_Pnt P6 = ext2.Point(1).Value();
Standard_Real D = P6.Distance(P5)/cos((Cone.Value())->SemiAngle());
TheCone=new Geom_RectangularTrimmedSurface(Cone.Value(),0.,2.*M_PI,0.,D,Standard_True,Standard_True);
}
}
//=========================================================================
//=========================================================================
GC_MakeTrimmedCone::GC_MakeTrimmedCone(const gp_Pnt& P1 ,
const gp_Pnt& P2 ,
const Standard_Real R1 ,
const Standard_Real R2 )
{
GC_MakeConicalSurface Cone(P1,P2,R1,R2);
TheError = Cone.Status();
if (TheError == gce_Done) {
Standard_Real D = (P2.Distance(P1))/cos((Cone.Value())->SemiAngle());
TheCone=new Geom_RectangularTrimmedSurface(Cone.Value(),0.,2.*M_PI,0.,D,Standard_True,Standard_True);
}
}
//=======================================================================
//function : Value
//purpose :
//=======================================================================
const Handle(Geom_RectangularTrimmedSurface)& GC_MakeTrimmedCone::
Value() const
{
StdFail_NotDone_Raise_if(!TheError == gce_Done,"");
return TheCone;
}
const Handle(Geom_RectangularTrimmedSurface)& GC_MakeTrimmedCone::
Operator() const
{
return Value();
}
GC_MakeTrimmedCone::
operator Handle(Geom_RectangularTrimmedSurface) () const
{
return Value();
}