mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-14 10:08:32 +05:00
412 lines
10 KiB
C++
412 lines
10 KiB
C++
//
|
|
// Read user dependent output file
|
|
//
|
|
|
|
|
|
#include <mystdlib.h>
|
|
|
|
|
|
#include <myadt.hpp>
|
|
#include <linalg.hpp>
|
|
#include <csg.hpp>
|
|
#include <meshing.hpp>
|
|
|
|
namespace netgen
|
|
{
|
|
#include "writeuser.hpp"
|
|
|
|
void ReadFile (Mesh & mesh,
|
|
const string & hfilename)
|
|
{
|
|
cout << "Read User File" << endl;
|
|
|
|
const char * filename = hfilename.c_str();
|
|
|
|
char reco[100];
|
|
int np, nbe;
|
|
|
|
|
|
|
|
// ".surf" - mesh
|
|
|
|
if ( (strlen (filename) > 5) &&
|
|
strcmp (&filename[strlen (filename)-5], ".surf") == 0 )
|
|
|
|
{
|
|
cout << "Surface file" << endl;
|
|
|
|
ifstream in (filename);
|
|
|
|
in >> reco;
|
|
in >> np;
|
|
for (int i = 1; i <= np; i++)
|
|
{
|
|
Point3d p;
|
|
in >> p.X() >> p.Y() >> p.Z();
|
|
p.Z() *= 10;
|
|
mesh.AddPoint (p);
|
|
}
|
|
|
|
mesh.ClearFaceDescriptors();
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
|
|
in >> nbe;
|
|
// int invert = globflags.GetDefineFlag ("invertsurfacemesh");
|
|
for (int i = 1; i <= nbe; i++)
|
|
{
|
|
Element2d el;
|
|
el.SetIndex(1);
|
|
|
|
for (int j = 1; j <= 3; j++)
|
|
{
|
|
in >> el.PNum(j);
|
|
// el.PNum(j)++;
|
|
if (el.PNum(j) < PointIndex(1) ||
|
|
el.PNum(j) > PointIndex(np))
|
|
{
|
|
cerr << "Point Number " << el.PNum(j) << " out of range 1..."
|
|
<< np << endl;
|
|
return;
|
|
}
|
|
}
|
|
/*
|
|
if (invert)
|
|
swap (el.PNum(2), el.PNum(3));
|
|
*/
|
|
|
|
mesh.AddSurfaceElement (el);
|
|
}
|
|
|
|
|
|
cout << "points: " << np << " faces: " << nbe << endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Universal mesh (AVL)
|
|
if ( (strlen (filename) > 4) &&
|
|
strcmp (&filename[strlen (filename)-4], ".unv") == 0 )
|
|
{
|
|
// int i, j, k;
|
|
|
|
// double h;
|
|
char reco[100];
|
|
// int np, nbe;
|
|
int invert;
|
|
|
|
|
|
ifstream in(filename);
|
|
|
|
invert = 0; // globflags.GetDefineFlag ("invertsurfacemesh");
|
|
double scale = 1; // globflags.GetNumFlag ("scale", 1);
|
|
|
|
mesh.ClearFaceDescriptors();
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
|
|
|
|
while (in.good())
|
|
{
|
|
in >> reco;
|
|
if (strcmp (reco, "NODES") == 0)
|
|
{
|
|
cout << "nodes found" << endl;
|
|
for (int j = 1; j <= 4; j++)
|
|
in >> reco; // read dummy
|
|
|
|
while (1)
|
|
{
|
|
int pi, hi;
|
|
// double x, y, z;
|
|
Point3d p;
|
|
|
|
in >> pi;
|
|
if (pi == -1)
|
|
break;
|
|
|
|
in >> hi >> hi >> hi;
|
|
in >> p.X() >> p.Y() >> p.Z();
|
|
|
|
p.X() *= scale;
|
|
p.Y() *= scale;
|
|
p.Z() *= scale;
|
|
|
|
|
|
mesh.AddPoint (p);
|
|
}
|
|
}
|
|
|
|
if (strcmp (reco, "ELEMENTS") == 0)
|
|
{
|
|
cout << "elements found" << endl;
|
|
for (int j = 1; j <= 4; j++)
|
|
in >> reco; // read dummy
|
|
|
|
while (1)
|
|
{
|
|
int hi;
|
|
in >> hi;
|
|
if (hi == -1) break;
|
|
for (int j = 1; j <= 7; j++)
|
|
in >> hi;
|
|
|
|
Element2d el;
|
|
el.SetIndex(1);
|
|
in >> el.PNum(1) >> el.PNum(2) >> el.PNum(3);
|
|
|
|
if (invert)
|
|
swap (el.PNum(2), el.PNum(3));
|
|
mesh.AddSurfaceElement (el);
|
|
|
|
for (int j = 1; j <= 5; j++)
|
|
in >> hi;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
Point3d pmin, pmax;
|
|
mesh.GetBox (pmin, pmax);
|
|
cout << "bounding-box = " << pmin << "-" << pmax << endl;
|
|
}
|
|
|
|
|
|
|
|
// fepp format2d:
|
|
|
|
if ( (strlen (filename) > 7) &&
|
|
strcmp (&filename[strlen (filename)-7], ".mesh2d") == 0 )
|
|
{
|
|
cout << "Reading FEPP2D Mesh" << endl;
|
|
|
|
char buf[100];
|
|
int np, ne, nseg, i, j;
|
|
|
|
ifstream in (filename);
|
|
|
|
in >> buf;
|
|
|
|
in >> nseg;
|
|
for (i = 1; i <= nseg; i++)
|
|
{
|
|
int bound, p1, p2;
|
|
in >> bound >> p1 >> p2;
|
|
// forget them
|
|
}
|
|
|
|
in >> ne;
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
int mat, nelp;
|
|
in >> mat >> nelp;
|
|
Element2d el (nelp == 3 ? TRIG : QUAD);
|
|
el.SetIndex (mat);
|
|
for (j = 1; j <= nelp; j++)
|
|
in >> el.PNum(j);
|
|
mesh.AddSurfaceElement (el);
|
|
}
|
|
|
|
in >> np;
|
|
for (i = 1; i <= np; i++)
|
|
{
|
|
Point3d p(0,0,0);
|
|
in >> p.X() >> p.Y();
|
|
mesh.AddPoint (p);
|
|
}
|
|
}
|
|
|
|
|
|
else if ( (strlen (filename) > 5) &&
|
|
strcmp (&filename[strlen (filename)-5], ".mesh") == 0 )
|
|
{
|
|
cout << "Reading Neutral Format" << endl;
|
|
|
|
int np, ne, nse, i, j;
|
|
|
|
ifstream in (filename);
|
|
|
|
in >> np;
|
|
|
|
if (in.good())
|
|
{
|
|
// file starts with an integer
|
|
|
|
for (i = 1; i <= np; i++)
|
|
{
|
|
Point3d p(0,0,0);
|
|
in >> p.X() >> p.Y() >> p.Z();
|
|
mesh.AddPoint (p);
|
|
}
|
|
|
|
in >> ne;
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
int mat;
|
|
in >> mat;
|
|
Element el (4);
|
|
el.SetIndex (mat);
|
|
for (j = 1; j <= 4; j++)
|
|
in >> el.PNum(j);
|
|
mesh.AddVolumeElement (el);
|
|
}
|
|
|
|
mesh.AddFaceDescriptor (FaceDescriptor (1, 1, 0, 0));
|
|
|
|
in >> nse;
|
|
for (i = 1; i <= nse; i++)
|
|
{
|
|
int mat; // , nelp;
|
|
in >> mat;
|
|
Element2d el (TRIG);
|
|
el.SetIndex (mat);
|
|
for (j = 1; j <= 3; j++)
|
|
in >> el.PNum(j);
|
|
mesh.AddSurfaceElement (el);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char buf[100];
|
|
in.clear();
|
|
do
|
|
{
|
|
in >> buf;
|
|
cout << "buf = " << buf << endl;
|
|
if (strcmp (buf, "points") == 0)
|
|
{
|
|
in >> np;
|
|
cout << "np = " << np << endl;
|
|
}
|
|
}
|
|
while (in.good());
|
|
}
|
|
}
|
|
|
|
|
|
if ( (strlen (filename) > 4) &&
|
|
strcmp (&filename[strlen (filename)-4], ".emt") == 0 )
|
|
{
|
|
ifstream inemt (filename);
|
|
|
|
string pktfile = filename;
|
|
int len = strlen (filename);
|
|
pktfile[len-3] = 'p';
|
|
pktfile[len-2] = 'k';
|
|
pktfile[len-1] = 't';
|
|
cout << "pktfile = " << pktfile << endl;
|
|
|
|
int np, nse, i;
|
|
int bcprop;
|
|
ifstream inpkt (pktfile.c_str());
|
|
inpkt >> np;
|
|
Array<double> values(np);
|
|
for (i = 1; i <= np; i++)
|
|
{
|
|
Point3d p(0,0,0);
|
|
inpkt >> p.X() >> p.Y() >> p.Z()
|
|
>> bcprop >> values.Elem(i);
|
|
mesh.AddPoint (p);
|
|
}
|
|
|
|
mesh.ClearFaceDescriptors();
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
mesh.GetFaceDescriptor(1).SetBCProperty (1);
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
mesh.GetFaceDescriptor(2).SetBCProperty (2);
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
mesh.GetFaceDescriptor(3).SetBCProperty (3);
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
mesh.GetFaceDescriptor(4).SetBCProperty (4);
|
|
mesh.AddFaceDescriptor (FaceDescriptor(0,1,0,0));
|
|
mesh.GetFaceDescriptor(5).SetBCProperty (5);
|
|
|
|
int p1, p2, p3;
|
|
double value;
|
|
inemt >> nse;
|
|
for (i = 1; i <= nse; i++)
|
|
{
|
|
inemt >> p1 >> p2 >> p3 >> bcprop >> value;
|
|
|
|
if (bcprop < 1 || bcprop > 4)
|
|
cerr << "bcprop out of range, bcprop = " << bcprop << endl;
|
|
p1++;
|
|
p2++;
|
|
p3++;
|
|
if (p1 < 1 || p1 > np || p2 < 1 || p2 > np || p3 < 1 || p3 > np)
|
|
{
|
|
cout << "p1 = " << p1 << " p2 = " << p2 << " p3 = " << p3 << endl;
|
|
}
|
|
|
|
if (i > 110354) Swap (p2, p3);
|
|
if (mesh.Point(p1)(0) < 0.25)
|
|
Swap (p2,p3);
|
|
|
|
Element2d el(TRIG);
|
|
|
|
if (bcprop == 1)
|
|
{
|
|
if (values.Get(p1) < -69999)
|
|
el.SetIndex(1);
|
|
else
|
|
el.SetIndex(2);
|
|
}
|
|
else
|
|
el.SetIndex(3);
|
|
|
|
|
|
el.PNum(1) = p1;
|
|
el.PNum(2) = p2;
|
|
el.PNum(3) = p3;
|
|
mesh.AddSurfaceElement (el);
|
|
}
|
|
|
|
|
|
ifstream incyl ("ngusers/guenter/cylinder.surf");
|
|
int npcyl, nsecyl;
|
|
incyl >> npcyl;
|
|
cout << "npcyl = " << npcyl << endl;
|
|
for (i = 1; i <= npcyl; i++)
|
|
{
|
|
Point3d p(0,0,0);
|
|
incyl >> p.X() >> p.Y() >> p.Z();
|
|
mesh.AddPoint (p);
|
|
}
|
|
incyl >> nsecyl;
|
|
cout << "nsecyl = " << nsecyl << endl;
|
|
for (i = 1; i <= nsecyl; i++)
|
|
{
|
|
incyl >> p1 >> p2 >> p3;
|
|
p1 += np;
|
|
p2 += np;
|
|
p3 += np;
|
|
Element2d el(TRIG);
|
|
el.SetIndex(5);
|
|
el.PNum(1) = p1;
|
|
el.PNum(2) = p2;
|
|
el.PNum(3) = p3;
|
|
mesh.AddSurfaceElement (el);
|
|
}
|
|
}
|
|
|
|
|
|
// .tet mesh
|
|
if ( (strlen (filename) > 4) &&
|
|
strcmp (&filename[strlen (filename)-4], ".tet") == 0 )
|
|
{
|
|
ReadTETFormat (mesh, filename);
|
|
}
|
|
|
|
|
|
// .fnf mesh (FNF - PE neutral format)
|
|
if ( (strlen (filename) > 4) &&
|
|
strcmp (&filename[strlen (filename)-4], ".fnf") == 0 )
|
|
{
|
|
ReadFNFFormat (mesh, filename);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|