mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-11 16:49:16 +05:00
796 lines
25 KiB
C++
796 lines
25 KiB
C++
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//
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// Read CST file format
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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 <meshing.hpp>
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#include <sys/stat.h>
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namespace netgen
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{
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#include "writeuser.hpp"
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void ReadTETFormat (Mesh & mesh,
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const filesystem::path & filename)
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{
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cout << "Reading .tet mesh" << endl;
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ifstream in (filename);
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int inputsection = 0;
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bool done = false;
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char ch;
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string str;
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string version;
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int unitcode;
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double tolerance;
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double dS1, dS2, alphaDeg, x3D, y3D, z3D;
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int nelts,nfaces,nedges,nnodes;
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int nperiodicmasternodes,ncornerperiodicmasternodes,ncubicperiodicmasternodes;
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int nperiodicmasteredges,ncornerperiodicmasteredges;
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int nperiodicmasterfaces;
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int nodeid,type,pid;
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int dummyint;
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int modelverts,modeledges,modelfaces,modelcells;
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Point3d p;
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int numObj3D,numObj2D,numObj1D,numObj0D;
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// bool nullstarted;
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NgArray<int> eldom;
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int minId3D = -1, minId2D = -1;
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int maxId3D(-1), maxId2D(-1), maxId1D(-1), maxId0D(-1);
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NgArray<NgArray<int> *> segmentdata;
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NgArray<Element2d* > tris;
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NgArray<int> userdata_int; // just save data for 1:1 output
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NgArray<double> userdata_double;
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NgArray<int> point_pids;
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NgArray<int> tetfacedata;
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NgArray<int> uid_to_group_3D, uid_to_group_2D, uid_to_group_1D, uid_to_group_0D;
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while(!done)
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{
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// skip "//" comment
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bool comment = true;
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while(comment)
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{
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ch = in.get();
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while(ch == ' ' || ch == '\n' || ch == '\t' || ch =='\r')
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ch = in.get();
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if(ch != '/')
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{
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comment = false;
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in.putback(ch);
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}
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else
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{
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ch = in.get();
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if(ch != '/')
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{
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comment = false;
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in.putback(ch);
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in.putback('/');
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}
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else
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{
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in.ignore(10000,'\n');
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}
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}
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}
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switch(inputsection)
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{
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case 0:
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// version number
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in >> version;
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cout << "Version number " << version << endl;
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if(version != "1.1" && version != "2" && version != "2.0")
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{
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cerr << "WARNING: import only tested for versions 1.1 and 2" << endl;
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//done = true;
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}
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userdata_double.Append(atof(version.c_str()));
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break;
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case 1:
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// unit code (1=CM 2=MM 3=M 4=MIC 5=NM 6=FT 7=IN 8=MIL)
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in >> unitcode;
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cout << "unit code " << unitcode << endl;
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userdata_int.Append(unitcode);
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break;
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case 2:
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// Geometric coord "zero" tolerance threshold
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in >> tolerance;
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cout << "tolerance " << tolerance << endl;
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userdata_double.Append(tolerance);
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break;
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case 3:
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// Periodic UnitCell dS1 , dS2 , alphaDeg
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in >> dS1 >> dS2 >> alphaDeg;
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userdata_double.Append(dS1);
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userdata_double.Append(dS2);
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userdata_double.Append(alphaDeg);
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break;
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case 4:
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// Periodic UnitCell origin in global coords (x3D,y3D,z3D)
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in >> x3D >> y3D >> z3D;
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userdata_double.Append(x3D);
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userdata_double.Append(y3D);
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userdata_double.Append(z3D);
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break;
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case 5:
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// Model entity count: Vertices, Edges, Faces, Cells (Version 2)
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in >> modelverts >> modeledges >> modelfaces >> modelcells;
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userdata_int.Append(modelverts);
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userdata_int.Append(modeledges);
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userdata_int.Append(modelfaces);
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userdata_int.Append(modelcells);
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break;
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case 6:
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// Topological mesh-entity counts (#elements,#faces,#edges,#nodes)
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in >> nelts >> nfaces >> nedges >> nnodes;
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cout << nelts << " elements, " << nfaces << " faces, " << nedges << " edges, " << nnodes << " nodes" << endl;
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mesh.SetAllocSize(nnodes,2*nedges,nfaces,nelts);
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break;
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case 7:
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// NodeID, X, Y, Z, Type (0=Reg 1=PMaster 2=PMinion 3=CPMaster 4=CPMinion), PID:
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{
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cout << "read nodes" << endl;
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for(int i=0; i<nnodes; i++)
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{
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in >> nodeid >> p.X() >> p.Y() >> p.Z() >> type >> pid;
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mesh.AddPoint(p);
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point_pids.Append(pid);
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if(pid > maxId0D)
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maxId0D = pid;
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//(*testout) << "point " << p << " type " << type << " mastersexist " << mastersexist << endl;
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}
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}
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break;
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case 8:
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// Number of Periodic Master Nodes
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in >> nperiodicmasternodes;
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break;
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case 9:
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// MasterNodeID, MinionNodeID, TranslCode (1=dS1 2=dS2 3=dS1+dS2)
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for(int i=0; i<nperiodicmasternodes; i++)
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{
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for(int j=0; j<2; j++)
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in >> dummyint;
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in >> dummyint;
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}
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break;
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case 10:
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// Number of Corner Periodic Master Nodes
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in >> ncornerperiodicmasternodes;
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break;
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case 11:
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// MasterNodeID, 3-MinionNodeID's, 3-TranslCodes (1=dS1 2=dS2 3=dS1+dS2)
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for(int i=0; i<ncornerperiodicmasternodes; i++)
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{
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for(int j=0; j<4; j++)
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in >> dummyint;
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for(int j=0; j<3; j++)
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in >> dummyint;
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}
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break;
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case 12:
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// Number of Cubic Periodic Master Nodes
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in >> ncubicperiodicmasternodes;
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break;
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case 13:
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//MasterNodeID, 7-MinionNodeID's, TranslCodes
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for(int i=0; i<ncubicperiodicmasternodes; i++)
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{
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for(int j=0; j<8; j++)
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in >> dummyint;
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for(int j=0; j<7; j++)
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in >> dummyint;
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}
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break;
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case 14:
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// EdgeID, NodeID0, NodeID1, Type (0=Reg 1=PMaster 2=PMinion 3=CPMaster 4=CPMinion), PID
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cout << "read edges" << endl;
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// nullstarted = false;
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segmentdata.SetSize(nedges);
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for(int i=0; i<nedges; i++)
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{
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segmentdata[i] = new NgArray<int>(7);
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*segmentdata[i] = -1;
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in >> dummyint;
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in >> (*segmentdata[i])[0] >> (*segmentdata[i])[1];
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in >> type;
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in >> (*segmentdata[i])[2];
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if((*segmentdata[i])[2] > maxId1D)
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maxId1D = (*segmentdata[i])[2];
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}
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break;
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case 15:
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// Number of Periodic Master Edges
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in >> nperiodicmasteredges;
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break;
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case 16:
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// MasterEdgeID, MinionEdgeID, TranslCode (1=dS1 2=dS2 3=dS1+dS2)
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for(int i=0; i<nperiodicmasteredges; i++)
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in >> dummyint >> dummyint >> dummyint;
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break;
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case 17:
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// Number of Corner Periodic Master Edges
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in >> ncornerperiodicmasteredges;
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break;
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case 18:
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// MasterEdgeID, 3 MinionEdgeID's, 3 TranslCode (1=dS1 2=dS2 3=dS1+dS2)
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for(int i=0; i<ncornerperiodicmasteredges; i++)
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{
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in >> dummyint;
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for(int j=0; j<3; j++)
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in >> dummyint;
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for(int j=0; j<3; j++)
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in >> dummyint;
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}
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break;
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case 19:
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// FaceID, EdgeID0, EdgeID1, EdgeID2, FaceType (0=Reg 1=PMaster 2=PMinion), PID
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{
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//Segment seg;
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int segnum_ng[3];
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bool neg[3];
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cout << "read faces" << endl;
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// nullstarted = false;
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for(int i=0; i<nfaces; i++)
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{
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int trinum;
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int segnum;
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tris.Append(new Element2d(TRIG));
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in >> trinum;
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for(int j=0; j<3; j++)
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{
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in >> segnum;
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neg[j] = (segnum<0);
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if(!neg[j])
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segnum_ng[j] = segnum-1;
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else
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segnum_ng[j] = -segnum-1;
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if(neg[j])
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tris.Last()->PNum(j+1) = (*segmentdata[segnum_ng[j]])[1];
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else
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tris.Last()->PNum(j+1) = (*segmentdata[segnum_ng[j]])[0];
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tris.Last()->GeomInfoPi(j+1).trignum = trinum;
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}
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in >> type;
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int faceid;
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in >> faceid;
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if(faceid > maxId2D)
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maxId2D = faceid;
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if(i==0 || faceid < minId2D)
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minId2D = faceid;
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tris.Last()->SetIndex(faceid);
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if(faceid > 0)
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{
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//if(nullstarted)
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// {
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// cout << "Faces: Assumption about index 0 wrong (face"<<trinum <<")" << endl;
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// }
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//mesh.AddSurfaceElement(tri);
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for(int j=0; j<3; j++)
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{
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if(neg[j])
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{
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(*segmentdata[segnum_ng[j]])[4] = faceid;
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(*segmentdata[segnum_ng[j]])[6] = trinum;
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}
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else
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{
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(*segmentdata[segnum_ng[j]])[3] = faceid;
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(*segmentdata[segnum_ng[j]])[5] = trinum;
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}
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}
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}
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// else
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// nullstarted = true;
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}
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}
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break;
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case 20:
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// Number of Periodic Master Faces
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in >> nperiodicmasterfaces;
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break;
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case 21:
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// MasterFaceID, MinionFaceID, TranslCode (1=dS1 2=dS2)
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{
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Vec<3> randomvec(-1.32834,3.82399,0.5429151);
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int maxtransl = -1;
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for(int i=0; i<nperiodicmasterfaces; i++)
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{
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int tri1,tri2,transl;
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NgArray<PointIndex> nodes1(3),nodes2(3);
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NgArray<double> sortval1(3),sortval2(3);
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in >> tri1 >> tri2 >> transl;
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if(transl > maxtransl)
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maxtransl = transl;
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for(int j=0; j<3; j++)
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{
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nodes1[j] = tris[tri1-1]->PNum(j+1);
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sortval1[j] = Vec<3>(mesh[nodes1[j]])*randomvec;
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nodes2[j] = tris[tri2-1]->PNum(j+1);
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sortval2[j] = Vec<3>(mesh[nodes2[j]])*randomvec;
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}
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BubbleSort(sortval1,nodes1);
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BubbleSort(sortval2,nodes2);
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for(int j=0; j<3; j++)
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mesh.GetIdentifications().Add(nodes1[j],nodes2[j],transl);
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}
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for(int i=1; i<= maxtransl; i++)
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mesh.GetIdentifications().SetType(i,Identifications::PERIODIC);
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}
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break;
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case 22:
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// ElemID, FaceID0, FaceID1, FaceID2, FaceID3, PID
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{
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cout << "read elements (1)" << endl;
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//SurfaceElementIndex surf[4];
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bool neg[4];
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int elemid;
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int domain;
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eldom.SetSize(nelts);
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for(int i=0; i<nelts; i++)
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{
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if(int(100.*i/nelts) % 5 == 0)
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cout << int(100.*i/nelts)
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#ifdef WIN32
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<< "%%\r"
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#else
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<< "%\r"
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#endif
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<< flush;
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in >> elemid;
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for(int j=0; j<4;j++)
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{
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in >> dummyint;
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neg[j] = (dummyint < 0);
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if(neg[j])
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tetfacedata.Append(-dummyint-1);
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//surf[j] = -dummyint-1;
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else
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tetfacedata.Append(dummyint-1);
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tetfacedata.Append(((neg[j]) ? 1 : 0));
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//surf[j] = dummyint-1;
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}
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in >> domain;
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eldom[i] = domain;
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tetfacedata.Append(domain);
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if(i==0 || domain < minId3D)
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minId3D = domain;
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if(domain > maxId3D)
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maxId3D = domain;
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// for(int j=0; j<4; j++)
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// {
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// if(mesh.GetNSE() <= surf[j])
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// continue;
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// int faceind = 0;
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// for(int k=1; k<=mesh.GetNFD(); k++)
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// {
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// if(mesh.GetFaceDescriptor(k).SurfNr() == mesh[surf[j]].GetIndex())
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// faceind = k;
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// }
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// if(faceind)
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// {
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// if(neg[j])
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// mesh.GetFaceDescriptor(faceind).SetDomainOut(domain);
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// else
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// mesh.GetFaceDescriptor(faceind).SetDomainIn(domain);
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// }
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// else
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// {
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// if(neg[j])
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// faceind = mesh.AddFaceDescriptor(FaceDescriptor(mesh[surf[j]].GetIndex(),0,domain,0));
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// else
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// faceind = mesh.AddFaceDescriptor(FaceDescriptor(mesh[surf[j]].GetIndex(),domain,0,0));
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// mesh.GetFaceDescriptor(faceind).SetBCProperty(mesh[surf[j]].GetIndex());
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// }
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// }
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}
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cout << endl;
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// NgArray<int> indextodescriptor(maxId2D+1);
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// for(int i=1; i<=mesh.GetNFD(); i++)
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// indextodescriptor[mesh.GetFaceDescriptor(i).SurfNr()] = i;
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// for(SurfaceElementIndex i=0; i<mesh.GetNSE(); i++)
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// mesh[i].SetIndex(indextodescriptor[mesh[i].GetIndex()]);
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}
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break;
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case 23:
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// ElemID, NodeID0, NodeID1, NodeID2, NodeID3
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{
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cout << "read elements (2)" << endl;
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Element el(TET);
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for(ElementIndex i=0; i<nelts; i++)
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{
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in >> dummyint;
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for(int j=1; j<=4; j++)
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in >> el.PNum(j);
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swap(el.PNum(1),el.PNum(2));
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el.SetIndex(eldom[i]);
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mesh.AddVolumeElement(el);
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}
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}
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break;
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case 24:
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// Physical Object counts (#Obj3D,#Obj2D,#Obj1D,#Obj0D)
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{
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in >> numObj3D;
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userdata_int.Append(numObj3D);
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in >> numObj2D;
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userdata_int.Append(numObj2D);
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in >> numObj1D;
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userdata_int.Append(numObj1D);
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in >> numObj0D;
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userdata_int.Append(numObj0D);
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}
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break;
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case 25:
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// Number of Ports (Ports are a subset of Object2D list)
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{
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in >> dummyint;
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//userdata_int.Append(dummyint);
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}
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break;
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case 26:
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// Object3D GroupID, #Elems <immediately followed by> ElemID List
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{
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uid_to_group_3D.SetSize(maxId3D+1);
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uid_to_group_3D = -1;
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for(int i=0; i<numObj3D; i++)
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{
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int groupid;
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in >> groupid;
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(*testout) << "3d groupid " << groupid << endl;
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//userdata_int.Append(groupid);
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int nelems;
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in >> nelems;
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//userdata_int.Append(nelems);
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for(int j=0; j<nelems; j++)
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{
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in >> dummyint;
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(*testout) << "read " << dummyint << endl;
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//userdata_int.Append(dummyint);
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if(dummyint < 0)
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dummyint *= -1;
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uid_to_group_3D[eldom[dummyint-1]] = groupid;
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}
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}
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}
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break;
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case 27:
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// Object2D GroupID, #Faces <immediately followed by> FaceID List
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{
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NgArray<int> ports;
|
|
//int totnum = 0;
|
|
uid_to_group_2D.SetSize(maxId2D+1);
|
|
uid_to_group_2D = -1;
|
|
|
|
for(int i=0; i<numObj2D; i++)
|
|
{
|
|
int groupid;
|
|
in >> groupid;
|
|
(*testout) << "2d groupid " << groupid << endl;
|
|
//userdata_int.Append(groupid);
|
|
int nelems;
|
|
in >> nelems;
|
|
//userdata_int.Append(nelems);
|
|
for(int j=0; j<nelems; j++)
|
|
{
|
|
in >> dummyint;
|
|
char port;
|
|
while((port = in.get()) == ' ')
|
|
;
|
|
|
|
(*testout) << "read " << dummyint << endl;
|
|
if(dummyint < 0)
|
|
dummyint *= -1;
|
|
int uid = tris[dummyint-1]->GetIndex();
|
|
|
|
if(port == 'P' || port == 'p')
|
|
{
|
|
if(!ports.Contains(uid))
|
|
ports.Append(uid);
|
|
}
|
|
else
|
|
in.putback(port);
|
|
|
|
//userdata_int.Append(dummyint);
|
|
|
|
uid_to_group_2D[uid] = groupid;
|
|
(*testout) << "setting " << uid << endl;
|
|
|
|
//totnum++;
|
|
}
|
|
}
|
|
mesh.SetUserData("TETmesh:ports",ports);
|
|
}
|
|
break;
|
|
|
|
case 28:
|
|
// Object1D GroupID, #Edges <immediately followed by> EdgeID List
|
|
{
|
|
uid_to_group_1D.SetSize(maxId1D+1);
|
|
uid_to_group_1D = -1;
|
|
|
|
for(int i=0; i<numObj1D; i++)
|
|
{
|
|
int groupid;
|
|
in >> groupid;
|
|
//userdata_int.Append(groupid);
|
|
int nelems;
|
|
in >> nelems;
|
|
//userdata_int.Append(nelems);
|
|
for(int j=0; j<nelems; j++)
|
|
{
|
|
in >> dummyint;
|
|
//userdata_int.Append(dummyint);
|
|
|
|
if(dummyint < 0)
|
|
dummyint *= -1;
|
|
uid_to_group_1D[(*segmentdata[dummyint-1])[2]] = groupid;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 29:
|
|
// Object0D GroupID, #Nodes <immediately followed by> NodeID List
|
|
{
|
|
uid_to_group_0D.SetSize(maxId0D+1);
|
|
uid_to_group_0D = -1;
|
|
for(int i=0; i<numObj0D; i++)
|
|
{
|
|
int groupid;
|
|
in >> groupid;
|
|
//userdata_int.Append(groupid);
|
|
int nelems;
|
|
in >> nelems;
|
|
//userdata_int.Append(nelems);
|
|
for(int j=0; j<nelems; j++)
|
|
{
|
|
in >> dummyint;
|
|
//userdata_int.Append(dummyint);
|
|
|
|
if(dummyint < 0)
|
|
dummyint *= -1;
|
|
uid_to_group_0D[point_pids[dummyint-1]] = groupid;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
done = true;
|
|
|
|
}
|
|
|
|
if(inputsection == 4 && version == "1.1")
|
|
inputsection++;
|
|
|
|
inputsection++;
|
|
}
|
|
in.close();
|
|
|
|
|
|
mesh.SetUserData("TETmesh:double",userdata_double);
|
|
userdata_int.Append(minId2D);
|
|
userdata_int.Append(minId3D);
|
|
mesh.SetUserData("TETmesh:int",userdata_int);
|
|
//if(version == "1.1")
|
|
mesh.SetUserData("TETmesh:point_id",point_pids);
|
|
|
|
mesh.SetUserData("TETmesh:uid_to_group_3D",uid_to_group_3D);
|
|
mesh.SetUserData("TETmesh:uid_to_group_2D",uid_to_group_2D);
|
|
mesh.SetUserData("TETmesh:uid_to_group_1D",uid_to_group_1D);
|
|
mesh.SetUserData("TETmesh:uid_to_group_0D",uid_to_group_0D);
|
|
|
|
|
|
NgArray<SurfaceElementIndex> surfindices(tris.Size());
|
|
surfindices = -1;
|
|
|
|
for(int i=0; i<tris.Size(); i++)
|
|
{
|
|
if(atof(version.c_str()) <= 1.999999)
|
|
{
|
|
if(tris[i]->GetIndex() > 0)
|
|
surfindices[i] = mesh.AddSurfaceElement(*tris[i]);
|
|
}
|
|
else
|
|
{
|
|
if(tris[i]->GetIndex() > 0 &&
|
|
tris[i]->GetIndex() < minId3D)
|
|
{
|
|
tris[i]->SetIndex(tris[i]->GetIndex()-minId2D+1);
|
|
surfindices[i] = mesh.AddSurfaceElement(*tris[i]);
|
|
}
|
|
}
|
|
delete tris[i];
|
|
}
|
|
|
|
|
|
mesh.ClearFaceDescriptors();
|
|
if(atof(version.c_str()) <= 1.999999)
|
|
for(int i = 1; i <= maxId2D; i++)
|
|
mesh.AddFaceDescriptor(FaceDescriptor(i,0,0,0));
|
|
else
|
|
for(int i=minId2D; i<minId3D; i++)
|
|
mesh.AddFaceDescriptor(FaceDescriptor(i,0,0,0));
|
|
|
|
|
|
for(int i=0; i<tetfacedata.Size(); i+=9)
|
|
{
|
|
for(int j=0; j<4; j++)
|
|
{
|
|
SurfaceElementIndex surf = surfindices[tetfacedata[i+2*j]];
|
|
|
|
//if(mesh.GetNSE() <= surf)
|
|
if(surf == -1)
|
|
continue;
|
|
|
|
if(tetfacedata[i+2*j+1] == 1)
|
|
mesh.GetFaceDescriptor(mesh[surf].GetIndex()).SetDomainOut(tetfacedata[i+8]);
|
|
else
|
|
mesh.GetFaceDescriptor(mesh[surf].GetIndex()).SetDomainIn(tetfacedata[i+8]);
|
|
|
|
|
|
/*
|
|
int faceind = 0;
|
|
for(int k=1; k<=mesh.GetNFD(); k++)
|
|
{
|
|
if(mesh.GetFaceDescriptor(k).SurfNr() == mesh[surf].GetIndex())
|
|
faceind = k;
|
|
}
|
|
if(faceind)
|
|
{
|
|
if(tetfacedata[i+4+j] == 1)
|
|
mesh.GetFaceDescriptor(faceind).SetDomainOut(tetfacedata[i+8]);
|
|
else
|
|
mesh.GetFaceDescriptor(faceind).SetDomainIn(tetfacedata[i+8]);
|
|
}
|
|
else
|
|
{
|
|
if(tetfacedata[i+4+j] == 1)
|
|
faceind = mesh.AddFaceDescriptor(FaceDescriptor(mesh[surf].GetIndex(),0,tetfacedata[i+8],0));
|
|
else
|
|
faceind = mesh.AddFaceDescriptor(FaceDescriptor(mesh[surf].GetIndex(),tetfacedata[i+8],0,0));
|
|
mesh.GetFaceDescriptor(faceind).SetBCProperty(mesh[surf].GetIndex());
|
|
}
|
|
*/
|
|
}
|
|
|
|
}
|
|
|
|
// NgArray<int> indextodescriptor(maxId2D+1);
|
|
|
|
// for(int i=1; i<=mesh.GetNFD(); i++)
|
|
// indextodescriptor[mesh.GetFaceDescriptor(i).SurfNr()] = i;
|
|
|
|
|
|
// for(SurfaceElementIndex i=0; i<mesh.GetNSE(); i++)
|
|
// mesh[i].SetIndex(indextodescriptor[mesh[i].GetIndex()]);
|
|
|
|
|
|
for(int i=0; i<segmentdata.Size(); i++)
|
|
{
|
|
Segment seg;
|
|
|
|
|
|
if((atof(version.c_str()) <= 1.999999 && (*segmentdata[i])[2] > 0) ||
|
|
(atof(version.c_str()) > 1.999999 && (*segmentdata[i])[2] > 0 && (*segmentdata[i])[2] < minId2D))
|
|
{
|
|
seg[0] = (*segmentdata[i])[0];
|
|
seg[1] = (*segmentdata[i])[1];
|
|
seg.edgenr = (*segmentdata[i])[2];
|
|
seg.epgeominfo[0].edgenr = (*segmentdata[i])[2];
|
|
seg.epgeominfo[1].edgenr = (*segmentdata[i])[2];
|
|
seg.si = (*segmentdata[i])[3]-minId2D+1;
|
|
seg.surfnr1 = -1;//(*segmentdata[i])[3];
|
|
seg.surfnr2 = -1;//(*segmentdata[i])[4];
|
|
seg.geominfo[0].trignum = (*segmentdata[i])[5];
|
|
seg.geominfo[1].trignum = (*segmentdata[i])[5];
|
|
mesh.AddSegment(seg);
|
|
|
|
seg[0] = (*segmentdata[i])[1];
|
|
seg[1] = (*segmentdata[i])[0];
|
|
seg.si = (*segmentdata[i])[4]-minId2D+1;
|
|
seg.surfnr1 = -1;//(*segmentdata[i])[3];
|
|
seg.surfnr2 = -1;//(*segmentdata[i])[4];
|
|
seg.geominfo[0].trignum = (*segmentdata[i])[6];
|
|
seg.geominfo[1].trignum = (*segmentdata[i])[6];
|
|
mesh.AddSegment(seg);
|
|
}
|
|
delete segmentdata[i];
|
|
}
|
|
|
|
/*
|
|
for(int i=mesh.GetNSeg(); i>=1; i--)
|
|
if(mesh.LineSegment(i).epgeominfo[0].edgenr == 0 ||
|
|
mesh.LineSegment(i).epgeominfo[1].edgenr == 0)
|
|
mesh.FullDeleteSegment(i);
|
|
*/
|
|
|
|
mesh.CalcSurfacesOfNode();
|
|
|
|
}
|
|
}
|
|
|
|
|