PostElement.cpp

// $Id: PostElement.cpp,v 1.30 2004-05-29 00:47:06 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
// 
// Please report all bugs and problems to <gmsh@geuz.org>.
//
// Contributor(s):
//   Laurent Stainier
//   Jean-Luc Flejou

#include "Gmsh.h"
#include "GmshUI.h"
#include "Geo.h"
#include "Mesh.h"
#include "Draw.h"
#include "Iso.h"
#include "Context.h"
#include "Numeric.h"

#define POINT           0
#define LINE            1
#define TRIANGLE        2
#define QUADRANGLE      3
#define TETRAHEDRON     4
#define HEXAHEDRON      5
#define PRISM           6
#define PYRAMID         7

extern Context_T CTX;

void Draw_ElementBoundary(int type, Post_View * View, double *X, double *Y,
                          double *Z, double Raise[3][8])
{
  double xx[8], yy[8], zz[8];

  glColor4ubv((GLubyte *) & CTX.color.fg);
  switch (type) {
  case POINT:
    Draw_Point(View->PointType, View->PointSize, X, Y, Z, Raise, View->Light);
    break;
  case LINE:
    Draw_Line(0, View->LineWidth, X, Y, Z, Raise, View->Light);
    break;
  case TRIANGLE:
    glBegin(GL_LINE_LOOP);
    for(int k = 0; k < 3; k++)
      glVertex3d(X[k] + Raise[0][k], Y[k] + Raise[1][k], Z[k] + Raise[2][k]);
    glEnd();
    break;
  case TETRAHEDRON:
    for(int k = 0; k < 4; k++) {
      xx[k] = X[k] + Raise[0][k];
      yy[k] = Y[k] + Raise[1][k];
      zz[k] = Z[k] + Raise[2][k];
    }