includeLinks/SphericalDomain.hpp

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/* ***************************************************************** 
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2004 Sandia Corporation and Argonne National
    Laboratory.  Under the terms of Contract DE-AC04-94AL85000 
    with Sandia Corporation, the U.S. Government retains certain 
    rights in this software.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License 
    (lgpl.txt) along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    diachin2@llnl.gov, djmelan@sandia.gov, mbrewer@sandia.gov, 
    pknupp@sandia.gov, tleurent@mcs.anl.gov, tmunson@mcs.anl.gov,
    kraftche@cae.wisc.edu         
   
  ***************************************************************** */
#ifndef MSQ_SPHERICAL_DOMAIN_HPP
#define MSQ_SPHERICAL_DOMAIN_HPP

#include "MeshInterface.hpp"
#include "Vector3D.hpp"

namespace Mesquite
{
  class SphericalDomain : public Mesquite::MeshDomain
  {
  public:
    SphericalDomain(const Vector3D& center, double radius )
        : mCenter(center), mRadius(radius)
      {}

    virtual ~SphericalDomain() { }

    DomainHint hint() const { return SMOOTH_DOMAIN; }
    
    void set_sphere(const Vector3D& center, double radius)
      {
        mCenter = center;
        mRadius = radius;
      }
    
    virtual void snap_to(Mesh::EntityHandle entity_handle,
                         Vector3D &coordinate) const;
    
    virtual void normal_at(Mesh::EntityHandle entity_handle,
                           Vector3D &coordinate) const;
    
    virtual void normal_at(Mesh::EntityHandle handle,
                           Vector3D coords[],
                           unsigned count,
                           MsqError& err) const;

    virtual void closest_point( Mesh::EntityHandle handle,
                                const Vector3D& position,
                                Vector3D& closest,
                                Vector3D& normal,
                                MsqError& err ) const;

  private:
    Vector3D mCenter;
    double mRadius;
  };
}

#endif