コード例 #1
0
int main(int argc, char **argv)
{
  GmshInitialize(argc, argv);
  GmshSetOption("Mesh", "Algorithm", 5.);
  GmshSetOption("General", "Terminal", 1.);

  GModel *m = new GModel();
  m->readMSH("bunny.msh");
  m->fillVertexArrays();

  std::vector<GEntity*> entities;
  m->getEntities(entities);

  for(unsigned int i = 0; i < entities.size(); i++){
    GEntity *ge = entities[i];
    printf("coucou entite %d (dimension %d)\n", ge->tag(), ge->dim());
    if(ge->va_triangles)
      printf("  j'ai un va de triangles: %d vertex\n", ge->va_triangles->getNumVertices());
    if(ge->va_lines)
      printf("  j'ai un va de lignes: %d vertex\n", ge->va_lines->getNumVertices());
  }

  delete m;
  GmshFinalize();
}
コード例 #2
0
ファイル: drawMesh.cpp プロジェクト: cycheung/gmsh
void drawContext::drawMesh()
{
  if(!CTX::instance()->mesh.draw) return;

  // make sure to flag any model-dependent post-processing view as
  // changed if the underlying mesh has, before resetting the changed
  // flag
  if(CTX::instance()->mesh.changed){
    for(unsigned int i = 0; i < GModel::list.size(); i++)
      for(unsigned int j = 0; j < PView::list.size(); j++)
        if(PView::list[j]->getData()->hasModel(GModel::list[i]))
          PView::list[j]->setChanged(true);
  }

  glPointSize((float)CTX::instance()->mesh.pointSize);
  gl2psPointSize((float)(CTX::instance()->mesh.pointSize *
                         CTX::instance()->print.epsPointSizeFactor));

  glLineWidth((float)CTX::instance()->mesh.lineWidth);
  gl2psLineWidth((float)(CTX::instance()->mesh.lineWidth *
                         CTX::instance()->print.epsLineWidthFactor));

  if(CTX::instance()->mesh.lightTwoSide)
    glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
  else
    glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE);

  if(!CTX::instance()->clipWholeElements){
    for(int i = 0; i < 6; i++)
      if(CTX::instance()->mesh.clip & (1 << i))
        glEnable((GLenum)(GL_CLIP_PLANE0 + i));
      else
        glDisable((GLenum)(GL_CLIP_PLANE0 + i));
  }

  for(unsigned int i = 0; i < GModel::list.size(); i++){
    GModel *m = GModel::list[i];
    m->fillVertexArrays();
    if(m->getVisibility() && isVisible(m)){
      int status = m->getMeshStatus();
      if(status >= 0)
        std::for_each(m->firstVertex(), m->lastVertex(), drawMeshGVertex(this));
      if(status >= 1)
        std::for_each(m->firstEdge(), m->lastEdge(), drawMeshGEdge(this));
      if(status >= 2){
        beginFakeTransparency();
        std::for_each(m->firstFace(), m->lastFace(), drawMeshGFace(this));
        endFakeTransparency();
      }
      if(status >= 3)
        std::for_each(m->firstRegion(), m->lastRegion(), drawMeshGRegion(this));
    }
  }

  CTX::instance()->mesh.changed = 0;

  for(int i = 0; i < 6; i++)
    glDisable((GLenum)(GL_CLIP_PLANE0 + i));
}