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Clean up user mesh format code

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This commit is contained in:
Matthias Hochsteger 2023-10-09 20:41:02 +02:00
parent 1b080b3384
commit 987f0fcc07
25 changed files with 256 additions and 542 deletions
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4
libsrc/interface/CMakeLists.txt
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@ -1,8 +1,8 @@
target_sources(nglib PRIVATE
target_sources(nglib PRIVATE writeuser.cpp
nginterface.cpp nginterface_v2.cpp
read_fnf_mesh.cpp readtetmesh.cpp readuser.cpp writeabaqus.cpp writediffpack.cpp
writedolfin.cpp writeelmer.cpp writefeap.cpp writefluent.cpp writegmsh.cpp writejcm.cpp
writepermas.cpp writetecplot.cpp writetet.cpp writetochnog.cpp writeuser.cpp
writepermas.cpp writetecplot.cpp writetet.cpp writetochnog.cpp
wuchemnitz.cpp writegmsh2.cpp writeOpenFOAM15x.cpp rw_cgns.cpp
)

3
libsrc/interface/read_fnf_mesh.cpp
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@ -11,10 +11,10 @@
#include <meshing.hpp>
#include <sys/stat.h>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
bool ReadLine (istream & in, string & buf)
{
@ -471,4 +471,5 @@ namespace netgen
}
mesh.ComputeNVertices();
}
static RegisterUserFormat reg_fnf ("Pro/ENGINEER Format", {".fnf"}, ReadFNFFormat, nullopt);
}

26
libsrc/interface/readuser.cpp
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@ -15,6 +15,12 @@
namespace netgen
{
extern void ReadTETFormat (Mesh & mesh, const filesystem::path & filename);
extern void ReadFNFFormat (Mesh & mesh, const filesystem::path & filename);
#ifdef NG_CGNS
extern void ReadCGNSMesh (Mesh & mesh, const filesystem::path & filename);
#endif // NG_CGNS
void ReadFile (Mesh & mesh,
const filesystem::path & filename)
{
@ -665,9 +671,11 @@ namespace netgen
if ( ext == ".fnf" )
ReadFNFFormat (mesh, filename);
#ifdef NG_CGNS
// .cgns file - CFD General Notation System
if ( ext == ".cgns" )
ReadCGNSMesh (mesh, filename);
#endif // NG_CGNS
if ( ext == ".stl" || ext == ".stlb" )
{
@ -695,6 +703,24 @@ namespace netgen
}
}
}
void ReadUserFormat(Mesh & mesh, const filesystem::path & filename, const string & format)
{
if(format == "")
return ReadFile(mesh, filename);
if(!UserFormatRegister::HaveFormat(format))
throw Exception("Unknown format: " + format);
const auto & entry = UserFormatRegister::Get(format);
if(!entry.read)
throw Exception("Reading format " + format + " is not implemented");
(*entry.read)(mesh, filename);
}
static RegisterUserFormat reg_uni ("Universial Format", {".unv"}, ReadFile, nullopt);
static RegisterUserFormat reg_olaf ("Olaf Format", {".emt"}, ReadFile, nullopt);
}

29
libsrc/interface/rw_cgns.cpp
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@ -808,32 +808,9 @@ namespace netgen
cg_close(fn);
}
}
#else // NG_CGNS
namespace netgen
{
void ReadCGNSMesh (Mesh & mesh, const filesystem::path & filename)
{
PrintMessage(1, "Could not import CGNS mesh: Netgen was built without CGNS support");
}
tuple<shared_ptr<Mesh>, vector<string>, vector<Array<double>>, vector<int>> ReadCGNSFile(const filesystem::path & filename, int base)
{
throw Exception("Netgen was built without CGNS support");
}
void WriteCGNSMesh (const Mesh & mesh, const filesystem::path & filename)
{
PrintMessage(1, "Could not write CGNS mesh: Netgen was built without CGNS support");
}
void WriteCGNSFile(shared_ptr<Mesh> mesh, const filesystem::path & filename, vector<string> fields, vector<Array<double>> values, vector<int> locations)
{
throw Exception("Netgen was built without CGNS support");
}
static RegisterUserFormat reg_cgns ("CGNS Format", {".cgns"},
static_cast<void(*)(Mesh &, const filesystem::path&)>(&ReadCGNSMesh),
static_cast<void(*)(const Mesh &, const filesystem::path&)>(&WriteCGNSMesh));
}
#endif // NG_CGNS

8
libsrc/interface/writeOpenFOAM15x.cpp
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@ -31,10 +31,10 @@
#include <sys/stat.h>
#include "../general/gzstream.h"
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
extern MeshingParameters mparam;
@ -757,5 +757,11 @@ namespace netgen
cout << "Error in OpenFOAM 1.5+ Export.... Aborted!\n";
}
}
void WriteOpenFOAM15xFormatCompressed (const Mesh & mesh, const filesystem::path & dirname) { WriteOpenFOAM15xFormat(mesh, dirname, true); }
void WriteOpenFOAM15xFormatUncompressed (const Mesh & mesh, const filesystem::path & dirname) { WriteOpenFOAM15xFormat(mesh, dirname, false); }
static RegisterUserFormat reg_openfoam ("OpenFOAM 1.5+ Format", {"*"}, nullopt, WriteOpenFOAM15xFormatUncompressed);
static RegisterUserFormat reg_openfoam_compressed ("OpenFOAM 1.5+ Compressed", {"*"}, nullopt, WriteOpenFOAM15xFormatCompressed);
}

4
libsrc/interface/writeabaqus.cpp
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@ -10,9 +10,10 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
@ -229,4 +230,5 @@ void WriteAbaqusFormat (const Mesh & mesh,
cout << "done" << endl;
}
static RegisterUserFormat reg_abaqus ("Abaqus Format", {".mesh"}, nullopt, WriteAbaqusFormat);
}

4
libsrc/interface/writediffpack.cpp
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@ -13,14 +13,13 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
void WriteDiffPackFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
// double scale = globflags.GetNumFlag ("scale", 1);
@ -322,4 +321,5 @@ void WriteDiffPackFormat (const Mesh & mesh,
}
}
}
static RegisterUserFormat reg_surface("DIFFPACK Format", {".mesh"}, nullopt, WriteDiffPackFormat);
}

2
libsrc/interface/writeelmer.cpp
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@ -197,4 +197,6 @@ void WriteElmerFormat (const Mesh &mesh,
outfile_h << tmap[eltype] << " " << count << "\n";
}
static RegisterUserFormat reg_elmer ("Elmer Format", {"*"}, nullopt, WriteElmerFormat);
}

4
libsrc/interface/writefeap.cpp
View File

@ -13,12 +13,13 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
extern MeshingParameters mparam;
#include "writeuser.hpp"
void WriteFEAPFormat (const Mesh & mesh,
@ -219,4 +220,5 @@ void WriteFEAPFormat (const Mesh & mesh,
cout << "done" << endl;
}
static RegisterUserFormat reg_feap ("FEAP Format", {".mesh"}, nullopt, WriteFEAPFormat);
}

6
libsrc/interface/writefluent.cpp
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@ -10,11 +10,10 @@
#include <csg.hpp>
#include <meshing.hpp>
namespace netgen
{
#include "writeuser.hpp"
namespace netgen
{
void WriteFluentFormat (const Mesh & mesh,
@ -190,4 +189,5 @@ void WriteFluentFormat (const Mesh & mesh,
cout << "done" << endl;
}
static RegisterUserFormat reg_fluent ("Fluent Format", {".mesh"}, nullopt, WriteFluentFormat);
}

4
libsrc/interface/writegmsh.cpp
View File

@ -17,10 +17,10 @@
#include <linalg.hpp>
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
extern MeshingParameters mparam;
@ -31,7 +31,6 @@ namespace netgen
*/
void WriteGmshFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
ofstream outfile (filename);
@ -196,6 +195,7 @@ void WriteGmshFormat (const Mesh & mesh,
}
static RegisterUserFormat reg_gmsh ("Gmsh Format", {".gmsh"}, nullopt, WriteGmshFormat);
}

4
libsrc/interface/writegmsh2.cpp
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@ -20,10 +20,10 @@
#include <linalg.hpp>
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
extern MeshingParameters mparam;
@ -48,7 +48,6 @@ namespace netgen
*
*/
void WriteGmsh2Format (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
ofstream outfile (filename);
@ -258,6 +257,7 @@ namespace netgen
cout << " Invalid element type for Gmsh v2.xx Export Format !\n";
}
} // End: WriteGmsh2Format
static RegisterUserFormat reg_gmsh2 ("Gmsh2 Format", {".gmsh2"}, nullopt, WriteGmsh2Format);
} // End: namespace netgen

7
libsrc/interface/writejcm.cpp
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@ -11,12 +11,12 @@
#include <meshing.hpp>
#include <sys/stat.h>
namespace netgen
{
#include "writeuser.hpp"
namespace netgen
{
void WriteJCMFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
if (mesh.GetDimension() != 3)
@ -426,5 +426,6 @@ void WriteJCMFormat (const Mesh & mesh,
cout << " JCMwave grid file written." << endl;
}
static RegisterUserFormat reg_jcmwave ("JCMwave Format", {".jcm"}, nullopt, WriteJCMFormat);
}

4
libsrc/interface/writepermas.cpp
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@ -12,14 +12,15 @@
#include <string>
using namespace std;
#include "writeuser.hpp"
using namespace std;
namespace netgen
{
// Forward declarations (don't know, where to define them, sorry)
int addComponent(string &strComp, string &strSitu, ofstream &out);
void WritePermasFormat (const Mesh &mesh, const filesystem::path &filename);
// This should be the new function to export a PERMAS file
void WritePermasFormat (const Mesh &mesh, const filesystem::path &filename,
@ -205,4 +206,5 @@ namespace netgen
return 0;
}
static RegisterUserFormat reg_permas ("Permas Format", {".mesh"}, nullopt, static_cast<void(*)(const Mesh &, const filesystem::path&)>(&WritePermasFormat));
}

16
libsrc/interface/writetecplot.cpp
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@ -9,16 +9,19 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
void WriteTecPlotFormat (const Mesh & mesh,
const CSGeometry & geom,
const string & filename)
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;
@ -30,7 +33,7 @@ void WriteTecPlotFormat (const Mesh & mesh,
NgArray<int> sn(np);
ofstream outfile(filename);
outfile << "TITLE=\" " << filename << "\"" << endl;
outfile << "TITLE=\" " << filename.string() << "\"" << endl;
// fill hashtable
@ -56,7 +59,7 @@ void WriteTecPlotFormat (const Mesh & mesh,
}
for (j = 1; j <= geom.GetNSurf(); j++) /* Flaeche Nummer j */
for (j = 1; j <= geom->GetNSurf(); j++) /* Flaeche Nummer j */
{
for (i = 1; i <= np; i++)
sn.Elem(i) = 0;
@ -85,7 +88,7 @@ void WriteTecPlotFormat (const Mesh & mesh,
for (i = 1; i <= np; i++)
if (sn.Elem(i) != 0)
{
n = geom.GetSurface(j) -> GetNormalVector ( mesh.Point(i) );
n = geom->GetSurface(j) -> GetNormalVector ( mesh.Point(i) );
outfile << mesh.Point(i)(0) << " " /* Knoten Koordinaten */
<< mesh.Point(i)(1) << " "
@ -123,5 +126,6 @@ void WriteTecPlotFormat (const Mesh & mesh,
}
}
static RegisterUserFormat reg_tecplot ("TecPlot Format", {".mesh"}, nullopt, WriteTecPlotFormat);
}

10
libsrc/interface/writetet.cpp
View File

@ -6,21 +6,20 @@
#include <csg.hpp>
#include <acisgeom.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
extern void ReadTETFormat (Mesh & mesh, const filesystem::path & filename);
void WriteTETFormat (const Mesh & mesh,
const string & filename)//, const string& problemType )
const filesystem::path & filename)//, const string& problemType )
{
string problemType = "";
if(!mesh.PureTetMesh())
throw NgException("Can only export pure tet mesh in this format");
cout << "starting .tet export to file " << filename << endl;
cout << "starting .tet export to file " << filename.string() << endl;
NgArray<int> point_ids,edge_ids,face_ids;
@ -1095,4 +1094,5 @@ namespace netgen
cout << ".tet export done" << endl;
}
static RegisterUserFormat reg_tet ("TET Format", {".tet"}, ReadTETFormat, WriteTETFormat);
}

3
libsrc/interface/writetochnog.cpp
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@ -13,10 +13,10 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
#include "writeuser.hpp"
void WriteTochnogFormat (const Mesh & mesh,
@ -105,4 +105,5 @@ void WriteTochnogFormat (const Mesh & mesh,
cout << "done" << endl;
}
static RegisterUserFormat reg_tochnog ("Tochnog Format", {".mesh"}, nullopt, WriteTochnogFormat);
}

321
libsrc/interface/writeuser.cpp
View File

@ -18,155 +18,43 @@ namespace netgen
{
extern MeshingParameters mparam;
Array<UserFormatRegister::UserFormatEntry> UserFormatRegister::entries;
std::map<string, int> UserFormatRegister::format_to_entry_index;
void RegisterUserFormats (NgArray<const char*> & names,
NgArray<const char*> & extensions)
{
const char *types[] =
for (const auto & entry : UserFormatRegister::entries)
{
"Neutral Format", ".mesh",
"Surface Mesh Format", ".mesh" ,
"DIFFPACK Format", ".mesh",
"TecPlot Format", ".mesh",
"Tochnog Format", ".mesh",
"Abaqus Format", ".mesh",
"Fluent Format", ".mesh",
"Permas Format", ".mesh",
"FEAP Format", ".mesh",
"Elmer Format", "*",
"STL Format", ".stl",
"STL Extended Format", ".stl",
"VRML Format", ".*",
"Gmsh Format", ".gmsh",
"Gmsh2 Format", ".gmsh2",
"OpenFOAM 1.5+ Format", "*",
"OpenFOAM 1.5+ Compressed", "*",
"JCMwave Format", ".jcm",
"TET Format", ".tet",
"CGNS Format", ".cgns",
// { "Chemnitz Format" },
0
};
for (int i = 0; types[2*i]; i++)
{
names.Append (types[2*i]);
extensions.Append (types[2*i+1]);
names.Append (entry.format.c_str());
extensions.Append (entry.extensions[0].c_str());
}
}
bool WriteUserFormat (const filesystem::path & format,
bool WriteUserFormat (const string & format,
const Mesh & mesh,
const filesystem::path & filename)
{
// cout << "write user &hgeom = " << &hgeom << endl;
// const CSGeometry & geom = *dynamic_cast<const CSGeometry*> (&hgeom);
const CSGeometry & geom = *dynamic_pointer_cast<CSGeometry> (mesh.GetGeometry());
if(!UserFormatRegister::HaveFormat(format))
return true;
PrintMessage (1, "Export mesh to file ", filename,
", format is ", format);
const auto & entry = UserFormatRegister::Get(format);
if(!entry.write)
return true;
if (format == "Neutral Format")
WriteNeutralFormat (mesh, geom, filename);
else if (format == "Surface Mesh Format")
WriteSurfaceFormat (mesh, filename);
else if (format == "DIFFPACK Format")
WriteDiffPackFormat (mesh, geom, filename);
else if (format == "Tochnog Format")
WriteTochnogFormat (mesh, filename);
else if (format == "TecPlot Format")
cerr << "ERROR: TecPlot format currently out of order" << endl;
// WriteTecPlotFormat (mesh, geom, filename);
else if (format == "Abaqus Format")
WriteAbaqusFormat (mesh, filename);
else if (format == "Fluent Format")
WriteFluentFormat (mesh, filename);
else if (format == "Permas Format")
WritePermasFormat (mesh, filename);
else if (format == "FEAP Format")
WriteFEAPFormat (mesh, filename);
else if (format == "Elmer Format")
WriteElmerFormat (mesh, filename);
else if (format == "STL Format")
WriteSTLFormat (mesh, filename);
// Philippose - 16 August 2010
// Added additional STL Export in which
// each face of the geometry is treated
// as a separate "solid" entity
else if (format == "STL Extended Format")
WriteSTLExtFormat (mesh, filename);
else if (format == "VRML Format")
WriteVRMLFormat (mesh, 1, filename);
else if (format == "Fepp Format")
WriteFEPPFormat (mesh, geom, filename);
else if (format == "EdgeElement Format")
WriteEdgeElementFormat (mesh, geom, filename);
else if (format == "Chemnitz Format")
WriteUserChemnitz (mesh, filename);
else if (format == "Gmsh Format")
WriteGmshFormat (mesh, geom, filename);
// Philippose - 29/01/2009
// Added Gmsh v2.xx Mesh export capability
else if (format == "Gmsh2 Format")
WriteGmsh2Format (mesh, geom, filename);
// Philippose - 25/10/2009
// Added OpenFOAM 1.5+ Mesh export capability
else if (format == "OpenFOAM 1.5+ Format")
WriteOpenFOAM15xFormat (mesh, filename, false);
else if (format == "OpenFOAM 1.5+ Compressed")
WriteOpenFOAM15xFormat (mesh, filename, true);
else if (format == "JCMwave Format")
WriteJCMFormat (mesh, geom, filename);
#ifdef OLIVER
else if (format == "TET Format")
WriteTETFormat( mesh, filename);//, "High Frequency" );
#endif
else if (format == "CGNS Format")
WriteCGNSMesh( mesh, filename);
else
{
return 1;
}
return 0;
(*entry.write)(mesh, filename);
return false;
}
/*
* Neutral mesh format
* points, elements, surface elements
*/
void WriteNeutralFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
cout << "write neutral, new" << endl;
@ -631,6 +519,16 @@ void WriteVRMLFormat (const Mesh & mesh,
}
void WriteVRMLFormatLineset (const Mesh & mesh, const filesystem::path & filename)
{
WriteVRMLFormat(mesh, false, filename);
}
void WriteVRMLFormatFaceset (const Mesh & mesh, const filesystem::path & filename)
{
WriteVRMLFormat(mesh, true, filename);
}
@ -640,7 +538,6 @@ void WriteVRMLFormat (const Mesh & mesh,
* FEPP .. a finite element package developed at University Linz, Austria
*/
void WriteFEPPFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
@ -771,7 +668,6 @@ void WriteFEPPFormat (const Mesh & mesh,
*/
void WriteEdgeElementFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename)
{
cout << "write edge element format" << endl;
@ -898,169 +794,14 @@ void WriteEdgeElementFormat (const Mesh & mesh,
}
}
#ifdef OLDSTYLE_WRITE
void WriteFile (int typ,
const Mesh & mesh,
const CSGeometry & geom,
const filesystem::path & filename,
const filesystem::path & geomfile,
double h)
{
int inverttets = mparam.inverttets;
int invertsurf = mparam.inverttrigs;
if (typ == WRITE_EDGEELEMENT)
{
// write edge element file
// Peter Harscher, ETHZ
cout << "Write Edge-Element Format" << endl;
ofstream outfile (filename);
int i, j;
int ned;
// hash table representing edges;
INDEX_2_HASHTABLE<int> edgeht(mesh.GetNP());
// list of edges
NgArray<INDEX_2> edgelist;
// edge (point) on boundary ?
NgBitArray bedge, bpoint(mesh.GetNP());
static int eledges[6][2] = { { 1, 2 } , { 1, 3 } , { 1, 4 },
{ 2, 3 } , { 2, 4 } , { 3, 4 } };
// fill hashtable (point1, point2) ----> edgenr
for (i = 1; i <= mesh.GetNE(); i++)
{
const Element & el = mesh.VolumeElement (i);
INDEX_2 edge;
for (j = 1; j <= 6; j++)
{
edge.I1() = el.PNum (eledges[j-1][0]);
edge.I2() = el.PNum (eledges[j-1][1]);
edge.Sort();
if (!edgeht.Used (edge))
{
edgelist.Append (edge);
edgeht.Set (edge, edgelist.Size());
}
}
}
// set bedges, bpoints
bedge.SetSize (edgelist.Size());
bedge.Clear();
bpoint.Clear();
for (i = 1; i <= mesh.GetNSE(); i++)
{
const Element2d & sel = mesh.SurfaceElement(i);
for (j = 1; j <= 3; j++)
{
bpoint.Set (sel.PNum(j));
INDEX_2 edge;
edge.I1() = sel.PNum(j);
edge.I2() = sel.PNum(j%3+1);
edge.Sort();
bedge.Set (edgeht.Get (edge));
}
}
outfile << mesh.GetNE() << endl;
// write element ---> point
for (i = 1; i <= mesh.GetNE(); i++)
{
const Element & el = mesh.VolumeElement(i);
outfile.width(8);
outfile << i;
for (j = 1; j <= 4; j++)
{
outfile.width(8);
outfile << el.PNum(j);
}
outfile << endl;
}
// write element ---> edge
for (i = 1; i <= mesh.GetNE(); i++)
{
const Element & el = mesh.VolumeElement (i);
INDEX_2 edge;
for (j = 1; j <= 6; j++)
{
edge.I1() = el.PNum (eledges[j-1][0]);
edge.I2() = el.PNum (eledges[j-1][1]);
edge.Sort();
outfile.width(8);
outfile << edgeht.Get (edge);
}
outfile << endl;
}
// write points
outfile << mesh.GetNP() << endl;
outfile.precision (6);
for (i = 1; i <= mesh.GetNP(); i++)
{
const Point3d & p = mesh.Point(i);
for (j = 1; j <= 3; j++)
{
outfile.width(8);
outfile << p.X(j);
}
outfile << " "
<< (bpoint.Test(i) ? "1" : 0) << endl;
}
// write edges
outfile << edgelist.Size() << endl;
for (i = 1; i <= edgelist.Size(); i++)
{
outfile.width(8);
outfile << edgelist.Get(i).I1();
outfile.width(8);
outfile << edgelist.Get(i).I2();
outfile << " "
<< (bedge.Test(i) ? "1" : "0") << endl;
}
}
static RegisterUserFormat reg_neutral("Neutral Format", {".mesh"}, ReadFile, WriteNeutralFormat);
static RegisterUserFormat reg_surface("Surface Mesh Format", {".mesh", ".surf"} ,ReadFile, WriteSurfaceFormat);
static RegisterUserFormat reg_stl ("STL Format", {".stl", ".stlb"}, ReadFile, WriteSTLFormat);
static RegisterUserFormat reg_stlx ("STL Extended Format", {".stl", ".stlb"}, nullopt, WriteSTLExtFormat);
static RegisterUserFormat reg_vrml ("VRML Format", {".*"}, nullopt, WriteVRMLFormatLineset);
static RegisterUserFormat reg_vrml_faces ("VRML Format Faces", {".*"}, nullopt, WriteVRMLFormatFaceset);
static RegisterUserFormat reg_fepp ("Fepp Format", {"*"}, nullopt, WriteFEPPFormat);
static RegisterUserFormat reg_edgeelement ("EdgeElement Format", {"*"}, nullopt, WriteEdgeElementFormat);
}
#endif
}

221
libsrc/interface/writeuser.hpp
View File

@ -7,176 +7,73 @@
/* Date: 10. Dec. 97 */
/**************************************************************************/
#include <filesystem>
#include <functional>
#include <optional>
#include <meshing.hpp>
namespace netgen {
DLL_HEADER extern
void WriteFile (int typ,
const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename,
const filesystem::path & geomfile = "",
double h = 0);
using namespace std::filesystem;
typedef std::function<void (const Mesh & mesh, const filesystem::path & filename)> FWrite;
typedef std::function<void (Mesh & mesh, const filesystem::path & filename)> FRead;
typedef std::function<bool (const filesystem::path & filename)> FTest;
struct UserFormatRegister {
struct UserFormatEntry {
string format;
Array<string> extensions;
optional<FRead> read;
optional<FWrite> write;
};
DLL_HEADER static Array<UserFormatEntry> entries;
DLL_HEADER static std::map<string, int> format_to_entry_index;
static void Register(UserFormatEntry && entry) {
format_to_entry_index[entry.format] = entries.Size();
entries.Append( std::move(entry) );
}
static const bool HaveFormat(string format) {
return format_to_entry_index.count(format) > 0;
}
static const UserFormatEntry & Get(string format) {
return entries[format_to_entry_index[format]];
}
template<typename TFunc>
static void IterateFormats(TFunc func, bool need_read=false, bool need_write=false) {
Array<string> import_formats;
for(const auto & e: entries)
if((!need_read || e.read) && (!need_write || e.write))
import_formats.Append(e.format);
QuickSort(import_formats);
for(auto format : import_formats)
func(entries[format_to_entry_index[format]]);
}
};
struct RegisterUserFormat {
RegisterUserFormat(string format, Array<string> extensions, optional<FRead> read, optional<FWrite> write, FTest ftest = [](const filesystem::path & ){return true;})
{
UserFormatRegister::Register({format, std::move(extensions), std::move(read), std::move(write)});
}
};
DLL_HEADER void ReadFile(Mesh & mesh, const filesystem::path & filename);
DLL_HEADER void ReadUserFormat(Mesh & mesh, const filesystem::path & filename, const string & format = "");
DLL_HEADER extern
void ReadFile (Mesh & mesh,
const filesystem::path & filename);
extern
void WriteNeutralFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
extern
void WriteSurfaceFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteSTLFormat (const Mesh & mesh,
const filesystem::path & filename);
// Philippose - 16 August 2010
// Added the STL Extended format in which
// each face of the geometry is treated as
// a separate "solid" entity in the STL file
extern
void WriteSTLExtFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteVRMLFormat (const Mesh & mesh,
bool faces,
const filesystem::path & filename);
extern
void WriteFEPPFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
extern
void WriteGmshFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
// Philippose - 29/01/2009
// Added GMSH v2.xx Mesh Export support
void WriteGmsh2Format (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
// Philippose - 25/10/2009
// Added OpenFOAM 1.5+ Mesh Export support
extern
void WriteOpenFOAM15xFormat (const Mesh & mesh,
const filesystem::path & casename,
const bool compressed);
extern
void WriteUserChemnitz (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteJCMFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
extern
void WriteDiffPackFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
extern
void WriteTochnogFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteTecPlotFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
extern
void WriteAbaqusFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteFluentFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WritePermasFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteFEAPFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteElmerFormat (const Mesh & mesh,
const filesystem::path & filename);
extern
void WriteEdgeElementFormat (const Mesh & mesh,
const NetgenGeometry & geom,
const filesystem::path & filename);
#ifdef OLIVER
extern
void WriteTETFormat (const Mesh & mesh,
const filesystem::path & filename);
#endif
extern void ReadTETFormat (Mesh & mesh,
const filesystem::path & filename);
extern void ReadFNFFormat (Mesh & mesh,
const filesystem::path & filename);
extern void DLL_HEADER ReadCGNSMesh (Mesh & mesh,
const filesystem::path & filename);
extern void DLL_HEADER WriteCGNSMesh (const Mesh & mesh,
const filesystem::path & filename);
// read/write mesh and solutions from CGNS file
extern tuple<shared_ptr<Mesh>, vector<string>, vector<Array<double>>, vector<int>>
DLL_HEADER ReadCGNSFile(const filesystem::path & filename, int base);
extern void DLL_HEADER WriteCGNSFile(shared_ptr<Mesh> mesh, const filesystem::path & filename, vector<string> fields,
vector<Array<double>> values, vector<int> locations);
void WriteDolfinFormat (const Mesh & mesh,
const filesystem::path & filename);
extern bool DLL_HEADER WriteUserFormat (const string & format,
const Mesh & mesh,
const filesystem::path & filename);
extern void DLL_HEADER RegisterUserFormats (NgArray<const char*> & names,
NgArray<const char*> & extensions);
extern bool DLL_HEADER WriteUserFormat (const filesystem::path & format,
const Mesh & mesh,
// const NetgenGeometry & geom,
const filesystem::path & filename);
}
#endif

3
libsrc/interface/wuchemnitz.cpp
View File

@ -9,6 +9,8 @@
#include <csg.hpp>
#include <meshing.hpp>
#include "writeuser.hpp"
namespace netgen
{
@ -316,4 +318,5 @@ namespace netgen
WriteFile (outfile);
cout << "Wrote Chemnitz standard file" << endl;
}
static RegisterUserFormat reg_chemnitz ("Chemnitz Format", {"*"}, nullopt, WriteUserChemnitz );
}

58
libsrc/meshing/python_mesh.cpp
View File

@ -79,6 +79,10 @@ namespace netgen
extern bool netgen_executable_started;
extern shared_ptr<NetgenGeometry> ng_geometry;
extern void Optimize2d (Mesh & mesh, MeshingParameters & mp, int faceindex=0);
#ifdef NG_CGNS
extern tuple<shared_ptr<Mesh>, vector<string>, vector<Array<double>>, vector<int>> ReadCGNSFile(const filesystem::path & filename, int base);
extern void WriteCGNSFile(shared_ptr<Mesh> mesh, const filesystem::path & filename, vector<string> fields, vector<Array<double>> values, vector<int> locations);
#endif // NG_CGNS
}
@ -725,6 +729,20 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
ExportArray<MeshPoint,PointIndex>(m);
ExportArray<FaceDescriptor>(m);
string export_docu = "Export mesh to other file format. Supported formats are:\n";
Array<string> export_formats;
for(auto & e : UserFormatRegister::entries)
if(e.write) {
string s = '\t'+e.format+"\t("+e.extensions[0];
for(auto & ext : e.extensions.Range(1, e.extensions.Size()))
s += ", "+ext;
s += ")\n";
export_formats.Append(s);
}
QuickSort(export_formats);
for(const auto & s : export_formats)
export_docu += s;
py::implicitly_convertible< int, PointIndex>();
py::class_<NetgenGeometry, shared_ptr<NetgenGeometry>> (m, "NetgenGeometry", py::dynamic_attr())
@ -932,18 +950,11 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
.def("Export",
[] (Mesh & self, string filename, string format)
{
if (WriteUserFormat (format, self, /* *self.GetGeometry(), */ filename))
{
string err = string ("nothing known about format")+format;
NgArray<const char*> names, extensions;
RegisterUserFormats (names, extensions);
err += "\navailable formats are:\n";
for (auto name : names)
err += string("'") + name + "'\n";
throw NgException (err);
}
if (WriteUserFormat (format, self, filename))
throw Exception ("Nothing known about format"+format);
},
py::arg("filename"), py::arg("format"),py::call_guard<py::gil_scoped_release>())
py::arg("filename"), py::arg("format"), export_docu.c_str(),
py::call_guard<py::gil_scoped_release>())
.def_property("dim", &Mesh::GetDimension, &Mesh::SetDimension)
@ -1672,20 +1683,21 @@ project_boundaries : Optional[str] = None
})
;
m.def("ImportMesh", [](const string& filename)
string import_docu = "Import mesh from other file format. Leaving format parameter empty guesses based on file extension.\nSupported formats are:\n";
UserFormatRegister::IterateFormats([&](auto & e) {
string s = '\t'+e.format+"\t("+e.extensions[0];
for(auto & ext : e.extensions.Range(1, e.extensions.Size()))
s += ", "+ext;
s += ")\n";
import_docu += s;
}, true);
m.def("ImportMesh", [](const string& filename, const string & format)
{
auto mesh = make_shared<Mesh>();
ReadFile(*mesh, filename);
ReadUserFormat(*mesh, filename, format);
return mesh;
}, py::arg("filename"),
R"delimiter(Import mesh from other file format, supported file formats are:
Neutral format (*.mesh, *.emt)
Surface file (*.surf)
Universal format (*.unv)
Olaf format (*.emt)
Tet format (*.tet)
Pro/ENGINEER format (*.fnf)
)delimiter");
}, py::arg("filename"), py::arg("format")="", import_docu.c_str());
py::enum_<MESHING_STEP>(m,"MeshingStep")
.value("ANALYSE", MESHCONST_ANALYSE)
.value("MESHEDGES", MESHCONST_MESHEDGES)
@ -1757,6 +1769,7 @@ project_boundaries : Optional[str] = None
m.attr("debugparam") = py::cast(&debugparam);
#ifdef NG_CGNS
m.def("ReadCGNSFile", &ReadCGNSFile, py::arg("filename"), py::arg("base")=1, "Read mesh and solution vectors from CGNS file");
m.def("WriteCGNSFile", &WriteCGNSFile, py::arg("mesh"), py::arg("filename"), py::arg("names"), py::arg("values"), py::arg("locations"),
R"(Write mesh and solution vectors to CGNS file, possible values for locations:
@ -1765,6 +1778,7 @@ project_boundaries : Optional[str] = None
FaceCenter = 2
CellCenter = 3
)");
#endif // NG_CGNS
py::class_<SurfaceGeometry, NetgenGeometry, shared_ptr<SurfaceGeometry>> (m, "SurfaceGeometry")
.def(py::init<>())

10
ng/menustat.tcl
View File

@ -222,9 +222,15 @@ loadmeshinifile;
set meshimportformats [Ng_GetImportFormats]
.ngmenu.file add command -label "Import Mesh..." \
-command {
foreach importformat $meshimportformats {
if { [lindex $importformat 0] == $importfiletype } {
set extension [lindex $importformat 1]
}
}
set types {
{"Neutral format" {.mesh .emt} }
{"Surface mesh format" {.surf} }
@ -235,9 +241,9 @@ loadmeshinifile;
{"Pro/ENGINEER neutral format" {.fnf} }
{"CFD General Notation System" {.cgns} }
}
set file [tk_getOpenFile -filetypes $types ]
set file [tk_getOpenFile -filetypes $meshimportformats -typevariable importfiletype]
if {$file != ""} {
Ng_ImportMesh $file
Ng_ImportMesh $file $importfiletype
set selectvisual mesh
Ng_SetVisParameters
redraw

35
ng/ngpkg.cpp
View File

@ -282,17 +282,33 @@ namespace netgen
}
int Ng_GetImportFormats (ClientData clientData,
Tcl_Interp * interp,
int argc, tcl_const char *argv[])
{
ostringstream fstr;
UserFormatRegister::IterateFormats([&](auto & entry) {
fstr << "{ {" << entry.format << "} {" << entry.extensions[0];
for(auto ext : entry.extensions.Range(1, entry.extensions.Size()))
fstr << ' ' << ext;
fstr << "} }\n";
}, true, false);
Tcl_SetResult (interp, const_cast<char*>(fstr.str().c_str()), TCL_VOLATILE);
return TCL_OK;
}
int Ng_GetExportFormats (ClientData clientData,
Tcl_Interp * interp,
int argc, tcl_const char *argv[])
{
NgArray<const char*> userformats;
NgArray<const char*> extensions;
RegisterUserFormats (userformats, extensions);
ostringstream fstr;
for (int i = 1; i <= userformats.Size(); i++)
fstr << "{ {" << userformats.Get(i) << "} {" << extensions.Get(i) << "} }\n";
UserFormatRegister::IterateFormats([&](auto & entry) {
fstr << "{ {" << entry.format << "} {" << entry.extensions[0];
for(auto ext : entry.extensions.Range(1, entry.extensions.Size()))
fstr << ' ' << ext;
fstr << "} }\n";
}, false, true);
Tcl_SetResult (interp, const_cast<char*>(fstr.str().c_str()), TCL_VOLATILE);
return TCL_OK;
@ -333,11 +349,12 @@ namespace netgen
int argc, tcl_const char *argv[])
{
const string filename (argv[1]);
const string format (argv[2]);
PrintMessage (1, "import mesh from ", filename);
mesh = make_shared<Mesh>();
ReadFile (*mesh, filename);
ReadUserFormat (*mesh, filename, format);
PrintMessage (2, mesh->GetNP(), " Points, ",
mesh->GetNE(), " Elements.");
@ -2877,6 +2894,10 @@ void PlayAnimFile(const char* name, int speed, int maxcnt)
(ClientData)NULL,
(Tcl_CmdDeleteProc*) NULL);
Tcl_CreateCommand (interp, "Ng_GetImportFormats", Ng_GetImportFormats,
(ClientData)NULL,
(Tcl_CmdDeleteProc*) NULL);
Tcl_CreateCommand (interp, "Ng_GetExportFormats", Ng_GetExportFormats,
(ClientData)NULL,
(Tcl_CmdDeleteProc*) NULL);

11
ng/onetcl.cpp
View File

@ -250,6 +250,7 @@ DLL_HEADER const char * ngscript[] = {""
,"set status_filename 0\n"
,"set status_tetqualclasses \"10 20 30 40 10 20 30 40 10 20 30 40 10 20 30 40 10 20 30 40\"\n"
,"set exportfiletype \"Neutral Format\"\n"
,"set importfiletype \"Neutral Format\"\n"
,"set preproc.facenr 0\n"
,"set preproc.selectmode query\n"
,"set preproc.numtrig 0\n"
@ -860,8 +861,14 @@ DLL_HEADER const char * ngscript[] = {""
,"Ng_ReadStatus;\n"
,"}\n"
,"}\n"
,"set meshimportformats [Ng_GetImportFormats]\n"
,".ngmenu.file add command -label \"Import Mesh...\" \\\n"
,"-command {\n"
,"foreach importformat $meshimportformats {\n"
,"if { [lindex $importformat 0] == $importfiletype } {\n"
,"set extension [lindex $importformat 1]\n"
,"}\n"
,"}\n"
,"set types {\n"
,"{\"Neutral format\" {.mesh .emt} }\n"
,"{\"Surface mesh format\" {.surf} }\n"
@ -872,9 +879,9 @@ DLL_HEADER const char * ngscript[] = {""
,"{\"Pro/ENGINEER neutral format\" {.fnf} }\n"
,"{\"CFD General Notation System\" {.cgns} }\n"
,"}\n"
,"set file [tk_getOpenFile -filetypes $types ]\n"
,"set file [tk_getOpenFile -filetypes $meshimportformats -typevariable importfiletype]\n"
,"if {$file != \"\"} {\n"
,"Ng_ImportMesh $file\n"
,"Ng_ImportMesh $file $importfiletype\n"
,"set selectvisual mesh\n"
,"Ng_SetVisParameters\n"
,"redraw\n"

1
ng/variables.tcl
View File

@ -232,6 +232,7 @@ set status_filename 0
set status_tetqualclasses "10 20 30 40 10 20 30 40 10 20 30 40 10 20 30 40 10 20 30 40"
set exportfiletype "Neutral Format"
set importfiletype "Neutral Format"
set preproc.facenr 0
set preproc.selectmode query