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//
//
// TECPLOT file by Jawor Georgiew
//
#include <mystdlib.h>
#include <myadt.hpp>
#include <linalg.hpp>
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
void WriteTecPlotFormat (const Mesh & mesh,
const filesystem::path & filename)
{
auto geom = dynamic_pointer_cast<CSGeometry>(mesh.GetGeometry());
if(geom == nullptr)
throw Exception("TecPlot format requires a CSGeometry");
INDEX i;
int j, k, e, z;
Vec<3> n;
INDEX np = mesh.GetNP();
INDEX ne = mesh.GetNE();
INDEX nse = mesh.GetNSE();
NgArray<int> sn(np);
ofstream outfile(filename);
outfile << "TITLE=\" " << filename.string() << "\"" << endl;
// fill hashtable
INDEX_3_HASHTABLE<int> face2volelement(ne);
for (i = 1; i <= ne; i++)
{
const Element & el = mesh.VolumeElement(i);
INDEX_3 i3;
int l;
for (j = 1; j <= 4; j++) // loop over faces of tet
{
l = 0;
for (k = 1; k <= 4; k++)
if (k != j)
{
l++;
i3.I(l) = el.PNum(k);
}
i3.Sort();
face2volelement.Set (i3, i);
}
}
for (j = 1; j <= geom->GetNSurf(); j++) /* Flaeche Nummer j */
{
for (i = 1; i <= np; i++)
sn.Elem(i) = 0;
e = 0;
for (i = 1; i <= nse; i++)
{
const Element2d & el = mesh.SurfaceElement(i);
if (j == mesh.GetFaceDescriptor (el.GetIndex ()).SurfNr())
{
for (k = 1; k <= 3; k++)
sn.Elem(el.PNum(k)) = 1;
e++; /* e= Anzahl der neuen Elemente */
}
}
z = 0;
for (i = 1; i <= np; i++)
if (sn.Elem(i) == 1)
sn.Elem(i) = ++z;
outfile << "ZONE T=\" Surface " << j << " \", N=" << z
<< ", E=" << e << ", ET=TRIANGLE, F=FEPOINT" << endl;
for (i = 1; i <= np; i++)
if (sn.Elem(i) != 0)
{
n = geom->GetSurface(j) -> GetNormalVector ( mesh.Point(i) );
outfile << mesh.Point(i)(0) << " " /* Knoten Koordinaten */
<< mesh.Point(i)(1) << " "
<< mesh.Point(i)(2) << " "
<< n(0) << " "
<< n(1) << " "
<< n(2) << " "
<< i << endl;
}
for (i = 1; i <= nse; i++)
{
const Element2d & el = mesh.SurfaceElement(i);
if (j == mesh.GetFaceDescriptor(el.GetIndex ()).SurfNr())
/* FlaechenKnoten (3) */
outfile << sn.Get(el.PNum(1)) << " "
<< sn.Get(el.PNum(2)) << " "
<< sn.Get(el.PNum(3)) << endl;
/// Hier soll noch die Ausgabe der Nummer des angrenzenden
/// Vol.elements erfolgen !
for (k = 1; k <= nse; k++)
{
const Element2d & sel = mesh.SurfaceElement(k);
INDEX_3 i3;
for (j = 1; j <= 3; j++)
i3.I(j) = sel.PNum(j);
i3.Sort();
//int elind = face2volelement.Get(i3);
}
}
}
}
static RegisterUserFormat reg_tecplot ("TecPlot Format", {".mesh"}, nullopt, WriteTecPlotFormat);
}
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