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ElmerCSC
GitHub Repository: ElmerCSC/elmerfem
 Path: blob/devel/ElmerGUI/Application/src/meshutils.h
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/*****************************************************************************

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 *                                                                           *

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 *  Elmer, A Finite Element Software for Multiphysical Problems              *

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 *                                                                           *

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 *  Copyright 1st April 1995 - , CSC - IT Center for Science Ltd., Finland    *

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 *                                                                           *

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 *  This program is free software; you can redistribute it and/or            *

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 *  modify it under the terms of the GNU General Public License              *

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 *  as published by the Free Software Foundation; either version 2           *

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 *  of the License, or (at your option) any later version.                   *

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 *                                                                           *

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 *  This program is distributed in the hope that it will be useful,          *

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *

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 *  GNU General Public License for more details.                             *

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 *                                                                           *

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 *  You should have received a copy of the GNU General Public License        *

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 *  along with this program (in file fem/GPL-2); if not, write to the        *

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 *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,         *

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 *  Boston, MA 02110-1301, USA.                                              *

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 *                                                                           *

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 *****************************************************************************/

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/*****************************************************************************

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 *                                                                           *

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 *  ElmerGUI meshutils                                                       *

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 *                                                                           *

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 *****************************************************************************

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 *                                                                           *

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 *  Authors: Mikko Lyly, Juha Ruokolainen and Peter Råback                   *

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 *  Email:   [email protected]                                         *

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 *  Web:     http://www.csc.fi/elmer                                         *

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 *  Address: CSC - IT Center for Science Ltd.                                 *

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 *           Keilaranta 14                                                   *

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 *           02101 Espoo, Finland                                            *

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 *                                                                           *

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 *  Original Date: 15 Mar 2008                                               *

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 *                                                                           *

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 *****************************************************************************/

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#ifndef MESHUTILS_H

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#define MESHUTILS_H

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#include <math.h>

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#include "meshtype.h"

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#include "helpers.h"

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#define SHARPEDGE     0

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#define UNKNOWN      -1

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#define MYPI 3.14159265

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class Meshutils

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{

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 public:

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  Meshutils();

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  ~Meshutils();

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  void clearMesh(mesh_t*);

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  void findEdgeElementPoints(mesh_t*);

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  void findSurfaceElements(mesh_t*);

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  void findSurfaceElementEdges(mesh_t*);

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  void findSurfaceElementParents(mesh_t*);

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  void findEdgeElementParents(mesh_t*);

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  void findSurfaceElementNormals(mesh_t*);

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  void findSharpEdges(mesh_t*, double);

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  void findSharpPoints(mesh_t*, double);

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  int divideEdgeBySharpPoints(mesh_t*);

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  int divideSurfaceBySharpEdges(mesh_t*);

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  void sort_index(int n, double *a, int *b);

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  void increaseElementOrder(mesh_t*);

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  void decreaseElementOrder(mesh_t*);

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  int cleanHangingSharpEdges(mesh_t*);

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};

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#endif // #ifndef MESHUTILS_H

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