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911 lines
19 KiB
C++
911 lines
19 KiB
C++
//
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// Write user dependent output file
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//
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#include <mystdlib.h>
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#include <myadt.hpp>
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#include <linalg.hpp>
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#include <csg.hpp>
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#include <geometry2d.hpp>
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#include <meshing.hpp>
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namespace netgen
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{
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#include "writeuser.hpp"
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void RegisterUserFormats (ARRAY<const char*> & names)
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{
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const char *types[] =
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{
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"Neutral Format",
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"Surface Mesh Format" ,
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"DIFFPACK Format",
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"TecPlot Format",
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"Tochnog Format",
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"Abaqus Format",
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"Fluent Format",
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"Permas Format",
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"FEAP Format",
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"Elmer Format",
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"STL Format",
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"VRML Format",
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"Gmsh Format",
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"JCMwave Format",
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"TET Format",
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// { "Chemnitz Format" },
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0
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};
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for (int i = 0; types[i]; i++)
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names.Append (types[i]);
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}
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bool WriteUserFormat (const string & format,
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const Mesh & mesh,
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const CSGeometry & geom,
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const string & filename)
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{
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PrintMessage (1, "Export mesh to file ", filename,
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", format is ", format);
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if (format == "Neutral Format")
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WriteNeutralFormat (mesh, geom, filename);
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else if (format == "Surface Mesh Format")
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WriteSurfaceFormat (mesh, filename);
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else if (format == "DIFFPACK Format")
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WriteDiffPackFormat (mesh, geom, filename);
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else if (format == "Tochnog Format")
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WriteTochnogFormat (mesh, filename);
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else if (format == "TecPlot Format")
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cerr << "ERROR: TecPlot format currently out of order" << endl;
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// WriteTecPlotFormat (mesh, geom, filename);
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else if (format == "Abaqus Format")
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WriteAbaqusFormat (mesh, filename);
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else if (format == "Fluent Format")
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WriteFluentFormat (mesh, filename);
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else if (format == "Permas Format")
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WritePermasFormat (mesh, filename);
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else if (format == "FEAP Format")
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WriteFEAPFormat (mesh, filename);
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else if (format == "Elmer Format")
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WriteElmerFormat (mesh, filename);
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else if (format == "STL Format")
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WriteSTLFormat (mesh, filename);
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else if (format == "VRML Format")
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WriteVRMLFormat (mesh, 1, filename);
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else if (format == "Fepp Format")
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WriteFEPPFormat (mesh, geom, filename);
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else if (format == "EdgeElement Format")
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WriteEdgeElementFormat (mesh, geom, filename);
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else if (format == "Chemnitz Format")
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WriteUserChemnitz (mesh, filename);
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else if (format == "Gmsh Format")
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WriteGmshFormat (mesh, geom, filename);
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else if (format == "JCMwave Format")
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WriteJCMFormat (mesh, geom, filename);
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#ifdef OLIVER
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else if (format == "TET Format")
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WriteTETFormat( mesh, filename);//, "High Frequency" );
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#endif
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else
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{
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return 1;
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}
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return 0;
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}
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/*
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* Neutral mesh format
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* points, elements, surface elements
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*/
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void WriteNeutralFormat (const Mesh & mesh,
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const CSGeometry & geom,
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const string & filename)
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{
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cout << "write neutral, new" << endl;
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int np = mesh.GetNP();
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int ne = mesh.GetNE();
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int nse = mesh.GetNSE();
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int nseg = mesh.GetNSeg();
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int i, j;
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int inverttets = mparam.inverttets;
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int invertsurf = mparam.inverttrigs;
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ofstream outfile (filename.c_str());
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outfile.precision(6);
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outfile.setf (ios::fixed, ios::floatfield);
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outfile.setf (ios::showpoint);
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outfile << np << "\n";
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for (i = 1; i <= np; i++)
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{
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const Point3d & p = mesh.Point(i);
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outfile.width(10);
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outfile << p.X() << " ";
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outfile.width(9);
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outfile << p.Y() << " ";
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if (mesh.GetDimension() == 3)
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{
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outfile.width(9);
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outfile << p.Z();
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}
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outfile << "\n";
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}
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if (mesh.GetDimension() == 3)
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{
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outfile << ne << "\n";
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for (i = 1; i <= ne; i++)
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{
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Element el = mesh.VolumeElement(i);
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if (inverttets)
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el.Invert();
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outfile.width(4);
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outfile << el.GetIndex() << " ";
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for (j = 1; j <= el.GetNP(); j++)
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{
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outfile << " ";
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outfile.width(8);
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outfile << el.PNum(j);
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}
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outfile << "\n";
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}
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}
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outfile << nse << "\n";
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for (i = 1; i <= nse; i++)
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{
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Element2d el = mesh.SurfaceElement(i);
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if (invertsurf)
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el.Invert();
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outfile.width(4);
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outfile << mesh.GetFaceDescriptor (el.GetIndex()).BCProperty() << " ";
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for (j = 1; j <= el.GetNP(); j++)
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{
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outfile << " ";
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outfile.width(8);
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outfile << el.PNum(j);
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}
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outfile << "\n";
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}
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if (mesh.GetDimension() == 2)
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{
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outfile << nseg << "\n";
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for (i = 1; i <= nseg; i++)
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{
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const Segment & seg = mesh.LineSegment(i);
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outfile.width(4);
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outfile << seg.si << " ";
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outfile << " ";
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outfile.width(8);
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outfile << seg.p1;
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outfile << " ";
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outfile.width(8);
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outfile << seg.p2;
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outfile << "\n";
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}
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}
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}
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void WriteSurfaceFormat (const Mesh & mesh,
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const string & filename)
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{
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// surface mesh
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int i, j;
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cout << "Write Surface Mesh" << endl;
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ofstream outfile (filename.c_str());
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outfile << "surfacemesh" << endl;
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outfile << mesh.GetNP() << endl;
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for (i = 1; i <= mesh.GetNP(); i++)
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{
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for (j = 0; j < 3; j++)
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{
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outfile.width(10);
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outfile << mesh.Point(i)(j) << " ";
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}
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outfile << endl;
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}
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outfile << mesh.GetNSE() << endl;
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for (i = 1; i <= mesh.GetNSE(); i++)
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{
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for (j = 1; j <= 3; j++)
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{
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outfile.width(8);
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outfile << mesh.SurfaceElement(i).PNum(j);
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}
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outfile << endl;
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}
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}
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/*
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* save surface mesh as STL file
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*/
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void WriteSTLFormat (const Mesh & mesh,
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const string & filename)
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{
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cout << "\nWrite STL Surface Mesh" << endl;
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ofstream outfile (filename.c_str());
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int i;
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outfile.precision(10);
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outfile << "solid" << endl;
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for (i = 1; i <= mesh.GetNSE(); i++)
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{
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outfile << "facet normal ";
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const Point3d& p1 = mesh.Point(mesh.SurfaceElement(i).PNum(1));
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const Point3d& p2 = mesh.Point(mesh.SurfaceElement(i).PNum(2));
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const Point3d& p3 = mesh.Point(mesh.SurfaceElement(i).PNum(3));
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Vec3d normal = Cross(p2-p1,p3-p1);
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if (normal.Length() != 0)
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{
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normal /= (normal.Length());
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}
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outfile << normal.X() << " " << normal.Y() << " " << normal.Z() << "\n";
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outfile << "outer loop\n";
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outfile << "vertex " << p1.X() << " " << p1.Y() << " " << p1.Z() << "\n";
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outfile << "vertex " << p2.X() << " " << p2.Y() << " " << p2.Z() << "\n";
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outfile << "vertex " << p3.X() << " " << p3.Y() << " " << p3.Z() << "\n";
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outfile << "endloop\n";
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outfile << "endfacet\n";
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}
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outfile << "endsolid" << endl;
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}
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/*
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*
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* write surface mesh as VRML file
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*
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*/
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void WriteVRMLFormat (const Mesh & mesh,
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bool faces,
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const string & filename)
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{
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if (faces)
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{
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// Output in VRML, IndexedFaceSet is used
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// Bartosz Sawicki <sawickib@ee.pw.edu.pl>
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int np = mesh.GetNP();
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int nse = mesh.GetNSE();
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int i, j;
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ofstream outfile (filename.c_str());
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outfile.precision(6);
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outfile.setf (ios::fixed, ios::floatfield);
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outfile.setf (ios::showpoint);
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outfile << "#VRML V2.0 utf8 \n"
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"Background {\n"
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" skyColor [1 1 1]\n"
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" groundColor [1 1 1]\n"
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"}\n"
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"Group{ children [\n"
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"Shape{ \n"
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"appearance Appearance { material Material { }} \n"
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"geometry IndexedFaceSet { \n"
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"coord Coordinate { point [ \n";
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for (i = 1; i <= np; i++)
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{
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const Point3d & p = mesh.Point(i);
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outfile.width(10);
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outfile << p.X() << " ";
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outfile << p.Y() << " ";
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outfile << p.Z() << " \n";
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}
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outfile << " ] } \n"
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"coordIndex [ \n";
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for (i = 1; i <= nse; i++)
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{
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const Element2d & el = mesh.SurfaceElement(i);
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for (j = 1; j <= 3; j++)
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{
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outfile.width(8);
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outfile << el.PNum(j)-1;
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}
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outfile << " -1 \n";
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}
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outfile << " ] \n";
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//define number and RGB definitions of colors
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outfile << "color Color { color [1 0 0, 0 1 0, 0 0 1, 1 1 0]} \n"
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"colorIndex [\n";
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for (i = 1; i <= nse; i++)
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{
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outfile << mesh.GetFaceDescriptor(mesh.SurfaceElement(i).GetIndex ()).BCProperty();
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outfile << endl;
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}
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outfile << " ] \n"
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"colorPerVertex FALSE \n"
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"creaseAngle 0 \n"
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"solid FALSE \n"
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"ccw FALSE \n"
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"convex TRUE \n"
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"} } # end of Shape\n"
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"] }\n";
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} /* end of VRMLFACES */
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else
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{
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// Output in VRML, IndexedLineSet is used
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// Bartosz Sawicki <sawickib@ee.pw.edu.pl>
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int np = mesh.GetNP();
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int nse = mesh.GetNSE();
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int i, j;
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ofstream outfile (filename.c_str());
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outfile.precision(6);
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outfile.setf (ios::fixed, ios::floatfield);
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outfile.setf (ios::showpoint);
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outfile << "#VRML V2.0 utf8 \n"
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"Background {\n"
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" skyColor [1 1 1]\n"
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" groundColor [1 1 1]\n"
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"}\n"
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"Group{ children [\n"
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"Shape{ \n"
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"appearance Appearance { material Material { }} \n"
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"geometry IndexedLineSet { \n"
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"coord Coordinate { point [ \n";
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for (i = 1; i <= np; i++)
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{
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const Point3d & p = mesh.Point(i);
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outfile.width(10);
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outfile << p.X() << " ";
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outfile << p.Y() << " ";
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outfile << p.Z() << " \n";
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}
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outfile << " ] } \n"
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"coordIndex [ \n";
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for (i = 1; i <= nse; i++)
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{
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const Element2d & el = mesh.SurfaceElement(i);
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for (j = 1; j <= 3; j++)
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{
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outfile.width(8);
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outfile << el.PNum(j)-1;
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}
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outfile.width(8);
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outfile << el.PNum(1)-1;
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outfile << " -1 \n";
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}
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outfile << " ] \n";
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/* Uncomment if you want color mesh
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outfile << "color Color { color [1 1 1, 0 1 0, 0 0 1, 1 1 0]} \n"
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"colorIndex [\n";
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for (i = 1; i <= nse; i++)
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{
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outfile << mesh.GetFaceDescriptor(mesh.SurfaceElement(i).GetIndex ()).BCProperty();
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outfile << endl;
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}
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outfile << " ] \n"
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*/
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outfile << "colorPerVertex FALSE \n"
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"} } #end of Shape\n"
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"] } \n";
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}
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}
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/*
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* FEPP .. a finite element package developed at University Linz, Austria
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*/
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void WriteFEPPFormat (const Mesh & mesh,
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const CSGeometry & geom,
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const string & filename)
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{
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ofstream outfile (filename.c_str());
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if (mesh.GetDimension() == 3)
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{
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// output for FEPP
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int np = mesh.GetNP();
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int ne = mesh.GetNE();
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int nse = mesh.GetNSE();
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int ns = mesh.GetNFD();
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int i, j;
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outfile.precision(5);
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outfile.setf (ios::fixed, ios::floatfield);
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outfile.setf (ios::showpoint);
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outfile << "volumemesh4" << endl;
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outfile << nse << endl;
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for (i = 1; i <= nse; i++)
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{
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const Element2d & el = mesh.SurfaceElement(i);
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// int facenr = mesh.facedecoding.Get(el.GetIndex()).surfnr;
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outfile.width(4);
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outfile << el.GetIndex() << " ";
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outfile.width(4);
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// outfile << mesh.GetFaceDescriptor(el.GetIndex()).BCProperty() << " ";
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outfile << mesh.GetFaceDescriptor(el.GetIndex()).BCProperty() << " ";
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outfile.width(4);
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outfile << el.GetNP() << " ";
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for (j = 1; j <= el.GetNP(); j++)
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{
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outfile.width(8);
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outfile << el.PNum(j);
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}
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outfile << "\n";
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}
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outfile << ne << "\n";
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for (i = 1; i <= ne; i++)
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{
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const Element & el = mesh.VolumeElement(i);
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outfile.width(4);
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outfile << el.GetIndex() << " ";
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outfile.width(4);
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outfile << el.GetNP() << " ";
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for (j = 1; j <= el.GetNP(); j++)
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{
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outfile.width(8);
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outfile << el.PNum(j);
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}
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outfile << "\n";
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}
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outfile << np << "\n";
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for (i = 1; i <= np; i++)
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{
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const Point3d & p = mesh.Point(i);
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outfile.width(10);
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outfile << p.X() << " ";
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outfile.width(9);
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outfile << p.Y() << " ";
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outfile.width(9);
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outfile << p.Z() << "\n";
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}
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/*
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if (typ == WRITE_FEPPML)
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{
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int nbn = mesh.mlbetweennodes.Size();
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outfile << nbn << "\n";
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for (i = 1; i <= nbn; i++)
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outfile << mesh.mlbetweennodes.Get(i).I1() << " "
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<< mesh.mlbetweennodes.Get(i).I2() << "\n";
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// int ncon = mesh.connectedtonode.Size();
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// outfile << ncon << "\n";
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// for (i = 1; i <= ncon; i++)
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// outfile << i << " " << mesh.connectedtonode.Get(i) << endl;
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}
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*/
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// write CSG surfaces
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if (&geom && geom.GetNSurf() >= ns)
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{
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outfile << ns << endl;
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for (i = 1; i <= ns; i++)
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geom.GetSurface(mesh.GetFaceDescriptor(i).SurfNr())->Print(outfile);
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}
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else
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outfile << "0" << endl;
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}
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else
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{ // 2D fepp format
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;
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/*
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extern SplineGeometry2d * geometry2d;
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if (geometry2d)
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Save2DMesh (mesh, &geometry2d->GetSplines(), outfile);
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else
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Save2DMesh (mesh, 0, outfile);
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*/
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}
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}
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/*
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* Edge element mesh format
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* points, elements, edges
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*/
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void WriteEdgeElementFormat (const Mesh & mesh,
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const CSGeometry & geom,
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const string & filename)
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{
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cout << "write edge element format" << endl;
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const MeshTopology * top = &mesh.GetTopology();
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int npoints = mesh.GetNP();
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int nelements = mesh.GetNE();
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int nsurfelem = mesh.GetNSE();
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int nedges = top->GetNEdges();
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int i, j;
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int inverttets = mparam.inverttets;
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int invertsurf = mparam.inverttrigs;
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ARRAY<int> edges;
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ofstream outfile (filename.c_str());
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outfile.precision(6);
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outfile.setf (ios::fixed, ios::floatfield);
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outfile.setf (ios::showpoint);
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// vertices with coordinates
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outfile << npoints << "\n";
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for (i = 1; i <= npoints; i++)
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{
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const Point3d & p = mesh.Point(i);
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outfile.width(10);
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outfile << p.X() << " ";
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outfile.width(9);
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outfile << p.Y() << " ";
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outfile.width(9);
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outfile << p.Z() << "\n";
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}
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// element - edge - list
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outfile << nelements << " " << nedges << "\n";
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for (i = 1; i <= nelements; i++)
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{
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Element el = mesh.VolumeElement(i);
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if (inverttets)
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el.Invert();
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outfile.width(4);
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outfile << el.GetIndex() << " ";
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outfile.width(8);
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outfile << el.GetNP();
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for (j = 1; j <= el.GetNP(); j++)
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{
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outfile << " ";
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outfile.width(8);
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outfile << el.PNum(j);
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}
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top->GetElementEdges(i,edges);
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outfile << endl << " ";
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outfile.width(8);
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outfile << edges.Size();
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for (j=1; j <= edges.Size(); j++)
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{
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outfile << " ";
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outfile.width(8);
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outfile << edges[j-1];
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}
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outfile << "\n";
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|
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// orientation:
|
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top->GetElementEdgeOrientations(i,edges);
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outfile << " ";
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for (j=1; j <= edges.Size(); j++)
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{
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outfile << " ";
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outfile.width(8);
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outfile << edges[j-1];
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}
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outfile << "\n";
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}
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|
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// surface element - edge - list (with boundary conditions)
|
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outfile << nsurfelem << "\n";
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for (i = 1; i <= nsurfelem; i++)
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{
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Element2d el = mesh.SurfaceElement(i);
|
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if (invertsurf)
|
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el.Invert();
|
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outfile.width(4);
|
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outfile << mesh.GetFaceDescriptor (el.GetIndex()).BCProperty() << " ";
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outfile.width(8);
|
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outfile << el.GetNP();
|
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for (j = 1; j <= el.GetNP(); j++)
|
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{
|
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outfile << " ";
|
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outfile.width(8);
|
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outfile << el.PNum(j);
|
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}
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|
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top->GetSurfaceElementEdges(i,edges);
|
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outfile << endl << " ";
|
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outfile.width(8);
|
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outfile << edges.Size();
|
|
for (j=1; j <= edges.Size(); j++)
|
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{
|
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outfile << " ";
|
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outfile.width(8);
|
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outfile << edges[j-1];
|
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}
|
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outfile << "\n";
|
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}
|
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|
|
|
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int v1, v2;
|
|
// edge - vertex - list
|
|
outfile << nedges << "\n";
|
|
for (i=1; i <= nedges; i++)
|
|
{
|
|
top->GetEdgeVertices(i,v1,v2);
|
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outfile.width(4);
|
|
outfile << v1;
|
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outfile << " ";
|
|
outfile.width(8);
|
|
outfile << v2 << endl;
|
|
}
|
|
}
|
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|
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#ifdef OLDSTYLE_WRITE
|
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|
|
|
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void WriteFile (int typ,
|
|
const Mesh & mesh,
|
|
const CSGeometry & geom,
|
|
const char * filename,
|
|
const char * 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
|
|
ARRAY<INDEX_2> edgelist;
|
|
|
|
// edge (point) on boundary ?
|
|
BitArray 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;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
#endif
|
|
}
|
|
|