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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// 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, 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.
// $Id: MeshReaderAM_FMTFormat.cpp,v 1.1 2006/09/15 06:55:11 delpinux Exp $
#include <MeshReaderAM_FMTFormat.hpp>
#include <Stringify.hpp>
#include <set>
#include <sstream>
void MeshReaderAM_FMTFormat::
__checkVertex(const size_t& n)
{
if ((n == 0) or (n > (*__vertices).numberOfVertices())) {
throw MeshReaderAM_FMTFormat::VertexError();
}
}
size_t MeshReaderAM_FMTFormat::
__getVertexNumber()
{
size_t n = this->__getInteger();
this->__checkVertex(n);
return n;
}
void MeshReaderAM_FMTFormat::
__readTriangles()
{
ffout(4) << " - reading triangles\n";
VerticesSet& V = *__vertices;
Vector<Triangle>& T = *__triangles;
size_t i;
try {
for (i=0; i<T.size(); ++i) {
const size_t a = __getVertexNumber() - 1;
const size_t b = __getVertexNumber() - 1;
const size_t c = __getVertexNumber() - 1;
T[i] = Triangle(V[a],V[b],V[c], 0);
}
}
catch (MeshReaderAM_FMTFormat::VertexError e) {
throw MeshReader::Error("invalid vertex number reading triangle "+stringify(i));
}
}
void MeshReaderAM_FMTFormat::
__readTrianglesReferences()
{
ffout(4) << " - reading triangles'references\n";
Vector<Triangle>& T = *__triangles;
for (size_t i=0; i<T.size(); ++i) {
T[i].reference() = this->__getInteger();
}
}
void MeshReaderAM_FMTFormat::
__readVertices()
{
ffout(4) << " - reading vertices\n";
VerticesSet& V = *__vertices;
for (size_t i=0; i<V.numberOfVertices(); ++i) {
const double x = __getReal();
const double y = __getReal();
V[i] = Vertex(x,y,0);
}
}
void MeshReaderAM_FMTFormat::
__readVerticesReferences()
{
ffout(4) << " - reading vertices'references\n";
VerticesSet& V = *__vertices;
for (size_t i=0; i<V.numberOfVertices(); ++i) {
V[i].reference() = this->__getInteger();
}
}
MeshReaderAM_FMTFormat::
MeshReaderAM_FMTFormat(const std::string& s)
: MeshReader(s)
{
ffout(3) << "\n";
ffout(3) << "Reading file " << s << '\n';
const size_t numberOfVertices = this->__getInteger();
const size_t numberOfTriangles = this->__getInteger();
ffout(3) << "- Number of vertices: " << numberOfVertices << '\n';
ffout(3) << "- Number of triangles: " << numberOfTriangles << '\n';
__vertices = new VerticesSet(numberOfVertices);
__triangles= new Vector<Triangle>(numberOfTriangles);
this->__readTriangles();
this->__readVertices();
this->__readTrianglesReferences();
this->__readVerticesReferences();
this->__createMesh();
}
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