mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-14 18:08:33 +05:00
109 lines
2.1 KiB
C++
109 lines
2.1 KiB
C++
//
|
|
// Write Tochnog file
|
|
//
|
|
// by
|
|
//
|
|
// Andreas Seltmann
|
|
// email: A.Seltmann@lsw.uni-heidelberg.de
|
|
//
|
|
#include <mystdlib.h>
|
|
|
|
#include <myadt.hpp>
|
|
#include <linalg.hpp>
|
|
#include <csg.hpp>
|
|
#include <meshing.hpp>
|
|
|
|
|
|
namespace netgen
|
|
{
|
|
#include "writeuser.hpp"
|
|
|
|
|
|
void WriteTochnogFormat (const Mesh & mesh,
|
|
const string & filename)
|
|
{
|
|
cout << "\nWrite Tochnog Volume Mesh" << endl;
|
|
|
|
ofstream outfile (filename.c_str());
|
|
|
|
outfile << "(Nodes and Elements generated with NETGEN" << endl;
|
|
outfile << " " << filename << ")" << endl;
|
|
|
|
outfile.precision(8);
|
|
|
|
outfile << "(Nodes)" << endl;
|
|
|
|
int np = mesh.GetNP();
|
|
int ne = mesh.GetNE();
|
|
int i, j;
|
|
|
|
for (i = 1; i <= np; i++)
|
|
{
|
|
outfile << "node " << " " << i << " ";
|
|
outfile << mesh.Point(i)(0) << " ";
|
|
outfile << mesh.Point(i)(1) << " ";
|
|
outfile << mesh.Point(i)(2) << "\n";
|
|
}
|
|
|
|
int elemcnt = 0; //element counter
|
|
int finished = 0;
|
|
int indcnt = 1; //index counter
|
|
|
|
while (!finished)
|
|
{
|
|
int actcnt = 0;
|
|
const Element & el1 = mesh.VolumeElement(1);
|
|
int non = el1.GetNP();
|
|
if (non == 4)
|
|
{
|
|
outfile << "(Elements, type=-tet4)" << endl;
|
|
}
|
|
else
|
|
{
|
|
cout << "unsupported Element type!!!" << endl;
|
|
}
|
|
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
const Element & el = mesh.VolumeElement(i);
|
|
|
|
if (el.GetIndex() == indcnt)
|
|
{
|
|
actcnt++;
|
|
if (el.GetNP() != non)
|
|
{
|
|
cout << "different element-types in a subdomain are not possible!!!" << endl;
|
|
continue;
|
|
}
|
|
|
|
elemcnt++;
|
|
outfile << "element " << elemcnt << " -tet4 ";
|
|
if (non == 4)
|
|
{
|
|
outfile << el.PNum(1) << " ";
|
|
outfile << el.PNum(2) << " ";
|
|
outfile << el.PNum(4) << " ";
|
|
outfile << el.PNum(3) << "\n";
|
|
}
|
|
else
|
|
{
|
|
cout << "unsupported Element type!!!" << endl;
|
|
for (j = 1; j <= el.GetNP(); j++)
|
|
{
|
|
outfile << el.PNum(j);
|
|
if (j != el.GetNP()) outfile << ", ";
|
|
}
|
|
outfile << "\n";
|
|
}
|
|
}
|
|
}
|
|
indcnt++;
|
|
if (elemcnt == ne) {finished = 1; cout << "all elements found by Index!" << endl;}
|
|
if (actcnt == 0) {finished = 1;}
|
|
}
|
|
|
|
cout << "done" << endl;
|
|
}
|
|
|
|
}
|