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Commit 4f5eda2a authored by Christophe Geuzaine's avatar Christophe Geuzaine
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treat quads in poly_rep_to_mesh: this way we can also extrude discrete
surfaces meshed with quads
parent 38def40a
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// $Id: Print_Geo.cpp,v 1.36 2005-02-20 07:11:04 geuzaine Exp $
// $Id: Print_Geo.cpp,v 1.37 2005-03-14 18:12:29 geuzaine Exp $
//
// Copyright (C) 1997-2005 C. Geuzaine, J.-F. Remacle
//
......@@ -335,6 +335,7 @@ void Print_Discrete_Surface(void *a, void *b)
norms.add(q->V[0]->Pos.X, q->V[0]->Pos.Y, q->V[0]->Pos.Z, n[0], n[1], n[2]);
norms.add(q->V[1]->Pos.X, q->V[1]->Pos.Y, q->V[1]->Pos.Z, n[0], n[1], n[2]);
norms.add(q->V[2]->Pos.X, q->V[2]->Pos.Y, q->V[2]->Pos.Z, n[0], n[1], n[2]);
norms.add(q->V[3]->Pos.X, q->V[3]->Pos.Y, q->V[3]->Pos.Z, n[0], n[1], n[2]);
}
if(!List_Nbr(s->Generatrices))
......
// $Id: DiscreteSurface.cpp,v 1.5 2005-02-25 01:45:41 geuzaine Exp $
// $Id: DiscreteSurface.cpp,v 1.6 2005-03-14 18:12:29 geuzaine Exp $
//
// Copyright (C) 1997-2005 C. Geuzaine, J.-F. Remacle
//
......@@ -173,6 +173,17 @@ void POLY_rep_To_Mesh(POLY_rep *prep, Surface *s)
simp->iEnt = s->Num;
Tree_Add(s->Simplexes, &simp);
}
else if (points[0] == 4){
Vertex *v1 = verts[(int)points[1]];
Vertex *v2 = verts[(int)points[2]];
Vertex *v3 = verts[(int)points[3]];
Vertex *v4 = verts[(int)points[4]];
SetLC(v1, v2, v3, CTX.mesh.lc_factor);
v4->lc = v1->lc;
Quadrangle *quad = Create_Quadrangle(v1, v2, v3, v4);
quad->iEnt = s->Num;
Tree_Add(s->Quadrangles, &quad);
}
}
Tree_Delete(VertexBound);
......
\input texinfo.tex @c -*-texinfo-*-
@c $Id: gmsh.texi,v 1.177 2005-03-13 20:43:36 geuzaine Exp $
@c $Id: gmsh.texi,v 1.178 2005-03-14 18:12:29 geuzaine Exp $
@c
@c Copyright (C) 1997-2005 C. Geuzaine, J.-F. Remacle
@c
......@@ -1609,8 +1609,8 @@ Discrete Surface (1) = @{4, 2@}
@end example
The polygonal discretization is used for the graphical representation of the
surface and can also be used as the actual two-dimensional mesh of the
surface if all the polygons are triangles.
surface and is also used as the actual two-dimensional mesh of the surface
if all the polygons are triangles or quadrangles.
@c todo:
@c @item Trimmed Surface ( @var{expression} ) = @{ @var{expression}, @{ @var{expression-list} @} @};
......
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