mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-11 16:49:16 +05:00
606 lines
12 KiB
C++
606 lines
12 KiB
C++
#include <mystdlib.h>
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#include "meshing.hpp"
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#ifdef WIN32
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#define COMMASIGN ':'
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#else
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#define COMMASIGN ','
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#endif
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namespace netgen
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{
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void LoadMatrixLine (istream & ist, DenseMatrix & m, int line)
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{
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char ch;
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int pnum;
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float f;
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ist >> ch;
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while (ch != '}')
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{
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ist.putback (ch);
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ist >> f;
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ist >> ch;
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ist >> pnum;
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if (ch == 'x' || ch == 'X')
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m.Elem(line, 2 * pnum - 1) = f;
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if (ch == 'y' || ch == 'Y')
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m.Elem(line, 2 * pnum) = f;
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ist >> ch;
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if (ch == COMMASIGN)
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ist >> ch;
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}
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}
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void netrule :: LoadRule (istream & ist)
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{
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char buf[256];
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char ch;
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Point2d p;
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INDEX_2 lin;
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int i, j;
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DenseMatrix tempoldutonewu(20, 20), tempoldutofreearea(20, 20),
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tempoldutofreearealimit(20, 20);
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tempoldutonewu = 0;
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tempoldutofreearea = 0;
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tempoldutofreearealimit = 0;
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noldp = 0;
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noldl = 0;
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ist.get (buf, sizeof(buf), '"');
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ist.get (ch);
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ist.get (buf, sizeof(buf), '"');
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ist.get (ch);
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// if(name != NULL)
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delete [] name;
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name = new char[strlen (buf) + 1];
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strcpy (name, buf);
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//(*testout) << "name " << name << endl;
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// (*mycout) << "Rule " << name << " found." << endl;
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do
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{
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ist >> buf;
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//(*testout) << "buf " << buf << endl;
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if (strcmp (buf, "quality") == 0)
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{
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ist >> quality;
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}
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else if (strcmp (buf, "mappoints") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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ist >> p.X();
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ist >> ch; // ','
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ist >> p.Y();
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ist >> ch; // ')'
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points.Append (p);
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noldp++;
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tolerances.SetSize (noldp);
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tolerances.Elem(noldp).f1 = 1.0;
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tolerances.Elem(noldp).f2 = 0;
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tolerances.Elem(noldp).f3 = 1.0;
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ist >> ch;
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while (ch != ';')
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{
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if (ch == '{')
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{
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ist >> tolerances.Elem(noldp).f1;
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ist >> ch; // ','
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ist >> tolerances.Elem(noldp).f2;
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ist >> ch; // ','
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ist >> tolerances.Elem(noldp).f3;
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ist >> ch; // '}'
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}
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else if (ch == 'd')
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{
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// delpoints.Append (noldp);
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ist >> ch; // 'e'
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ist >> ch; // 'l'
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}
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "maplines") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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ist >> lin.I1();
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ist >> ch; // ','
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ist >> lin.I2();
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ist >> ch; // ')'
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//(*testout) << "read line " << lin.I1() << " " << lin.I2() << endl;
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lines.Append (lin);
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linevecs.Append (points.Get(lin.I2()) - points.Get(lin.I1()));
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noldl++;
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linetolerances.SetSize (noldl);
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linetolerances.Elem(noldl).f1 = 0;
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linetolerances.Elem(noldl).f2 = 0;
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linetolerances.Elem(noldl).f3 = 0;
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//(*testout) << "mapl1" << endl;
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ist >> ch;
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while (ch != ';')
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{
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//(*testout) << "working on character \""<<ch<<"\""<< endl;
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if (ch == '{')
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{
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ist >> linetolerances.Elem(noldl).f1;
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ist >> ch; // ','
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ist >> linetolerances.Elem(noldl).f2;
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ist >> ch; // ','
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ist >> linetolerances.Elem(noldl).f3;
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ist >> ch; // '}'
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}
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else if (ch == 'd')
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{
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dellines.Append (noldl);
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ist >> ch; // 'e'
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ist >> ch; // 'l'
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//(*testout) << "read del" << endl;
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}
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ist >> ch;
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//(*testout) << "read character \""<<ch<<"\""<< endl;
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}
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ist >> ch;
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//(*testout) << "read next character \""<<ch<<"\""<< endl;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "newpoints") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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ist >> p.X();
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ist >> ch; // ','
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ist >> p.Y();
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ist >> ch; // ')'
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points.Append (p);
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ist >> ch;
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while (ch != ';')
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{
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if (ch == '{')
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{
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LoadMatrixLine (ist, tempoldutonewu,
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2 * (points.Size()-noldp) - 1);
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ist >> ch; // '{'
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LoadMatrixLine (ist, tempoldutonewu,
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2 * (points.Size()-noldp));
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}
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "newlines") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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ist >> lin.I1();
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ist >> ch; // ','
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ist >> lin.I2();
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ist >> ch; // ')'
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lines.Append (lin);
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linevecs.Append (points.Get(lin.I2()) - points.Get(lin.I1()));
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ist >> ch;
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while (ch != ';')
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{
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "freearea") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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ist >> p.X();
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ist >> ch; // ','
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ist >> p.Y();
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ist >> ch; // ')'
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freezone.Append (p);
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freezonelimit.Append (p);
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ist >> ch;
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while (ch != ';')
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{
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if (ch == '{')
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{
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LoadMatrixLine (ist, tempoldutofreearea,
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2 * freezone.Size() - 1);
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ist >> ch; // '{'
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LoadMatrixLine (ist, tempoldutofreearea,
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2 * freezone.Size());
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}
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ist >> ch;
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}
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ist >> ch;
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}
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for (i = 1; i <= tempoldutofreearealimit.Height(); i++)
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for (j = 1; j <= tempoldutofreearealimit.Width(); j++)
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tempoldutofreearealimit.Elem(i,j) =
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tempoldutofreearea.Elem(i,j);
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ist.putback (ch);
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}
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else if (strcmp (buf, "freearea2") == 0)
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{
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ist >> ch;
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int freepi = 0;
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tempoldutofreearealimit = 0;
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while (ch == '(')
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{
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freepi++;
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ist >> p.X();
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ist >> ch; // ','
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ist >> p.Y();
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ist >> ch; // ')'
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freezonelimit.Elem(freepi) = p;
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ist >> ch;
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while (ch != ';')
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{
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if (ch == '{')
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{
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LoadMatrixLine (ist, tempoldutofreearealimit,
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2 * freepi - 1);
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ist >> ch; // '{'
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LoadMatrixLine (ist, tempoldutofreearealimit,
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2 * freepi);
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}
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "elements") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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elements.Append (Element2d());
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ist >> elements.Last().PNum(1);
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ist >> ch; // ','
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if (ch == COMMASIGN)
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{
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ist >> elements.Last().PNum(2);
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ist >> ch; // ','
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}
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if (ch == COMMASIGN)
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{
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ist >> elements.Last().PNum(3);
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ist >> ch; // ','
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}
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if (ch == COMMASIGN)
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{
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elements.Last().SetType (QUAD);
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ist >> elements.Last().PNum(4);
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ist >> ch; // ','
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// const Element2d & el = elements.Last();
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/*
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orientations.Append (threeint(el.PNum(1), el.PNum(2), el.PNum(3)));
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orientations.Append (threeint(el.PNum(2), el.PNum(3), el.PNum(4)));
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orientations.Append (threeint(el.PNum(3), el.PNum(4), el.PNum(1)));
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orientations.Append (threeint(el.PNum(4), el.PNum(1), el.PNum(2)));
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*/
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}
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ist >> ch;
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while (ch != ';')
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{
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "orientations") == 0)
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{
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ist >> ch;
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while (ch == '(')
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{
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// threeint a = threeint();
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orientations.Append (threeint());
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ist >> orientations.Last().i1;
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ist >> ch; // ','
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ist >> orientations.Last().i2;
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ist >> ch; // ','
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ist >> orientations.Last().i3;
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ist >> ch; // ','
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ist >> ch;
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while (ch != ';')
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{
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ist >> ch;
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}
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ist >> ch;
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}
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ist.putback (ch);
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}
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else if (strcmp (buf, "endrule") != 0)
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{
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PrintSysError ("Parser error, unknown token ", buf);
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}
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}
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while (!ist.eof() && strcmp (buf, "endrule") != 0);
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oldutonewu.SetSize (2 * (points.Size() - noldp), 2 * noldp);
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oldutofreearea.SetSize (2 * freezone.Size(), 2 * noldp);
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oldutofreearealimit.SetSize (2 * freezone.Size(), 2 * noldp);
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for (i = 1; i <= oldutonewu.Height(); i++)
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for (j = 1; j <= oldutonewu.Width(); j++)
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oldutonewu.Elem(i, j) = tempoldutonewu.Elem(i, j);
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for (i = 1; i <= oldutofreearea.Height(); i++)
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for (j = 1; j <= oldutofreearea.Width(); j++)
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oldutofreearea.Elem(i, j) = tempoldutofreearea.Elem(i, j);
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for (i = 1; i <= oldutofreearea.Height(); i++)
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for (j = 1; j <= oldutofreearea.Width(); j++)
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oldutofreearealimit.Elem(i, j) = tempoldutofreearealimit.Elem(i, j);
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freesetinequ.SetSize (freezone.Size());
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{
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char ok;
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int minn;
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Array<int> pnearness (noldp);
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for (i = 1; i <= pnearness.Size(); i++)
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pnearness.Elem(i) = 1000;
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for (j = 1; j <= 2; j++)
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pnearness.Elem(GetPointNr (1, j)) = 0;
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do
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{
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ok = 1;
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for (i = 1; i <= noldl; i++)
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{
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minn = 1000;
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for (j = 1; j <= 2; j++)
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minn = min2 (minn, pnearness.Get(GetPointNr (i, j)));
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for (j = 1; j <= 2; j++)
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if (pnearness.Get(GetPointNr (i, j)) > minn+1)
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{
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ok = 0;
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pnearness.Elem(GetPointNr (i, j)) = minn+1;
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}
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}
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}
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while (!ok);
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lnearness.SetSize (noldl);
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for (i = 1; i <= noldl; i++)
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{
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lnearness.Elem(i) = 0;
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for (j = 1; j <= 2; j++)
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lnearness.Elem(i) += pnearness.Get(GetPointNr (i, j));
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}
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}
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oldutofreearea_i.SetSize (10);
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freezone_i.SetSize (10);
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for (i = 0; i < oldutofreearea_i.Size(); i++)
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{
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double lam1 = 1.0/(i+1);
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oldutofreearea_i[i] = new DenseMatrix (oldutofreearea.Height(), oldutofreearea.Width());
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DenseMatrix & mati = *oldutofreearea_i[i];
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for (j = 0; j < oldutofreearea.Height(); j++)
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for (int k = 0; k < oldutofreearea.Width(); k++)
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mati(j,k) = lam1 * oldutofreearea(j,k) + (1 - lam1) * oldutofreearealimit(j,k);
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freezone_i[i] = new Array<Point2d> (freezone.Size());
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Array<Point2d> & fzi = *freezone_i[i];
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for (int j = 0; j < freezone.Size(); j++)
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fzi[j] = freezonelimit[j] + lam1 * (freezone[j] - freezonelimit[j]);
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}
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}
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extern const char * triarules[];
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extern const char * quadrules[];
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void Meshing2 :: LoadRules (const char * filename, bool quad)
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{
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char buf[256];
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istream * ist;
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//char *tr1 = NULL;
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string tr1;
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/*
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ifstream ist (filename);
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if (!ist.good())
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{
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cerr << "Rule description file " << filename << " not found" << endl;
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exit (1);
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}
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*/
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if (filename)
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{
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// (*mycout) << "rule-filename = " << filename << endl;
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ist = new ifstream (filename);
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}
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else
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{
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/* connect tetrules to one string */
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const char ** hcp;
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// if (!mparam.quad)
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if (!quad)
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{
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hcp = triarules;
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PrintMessage (3, "load internal triangle rules");
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}
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else
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{
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hcp = quadrules;
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PrintMessage (3, "load internal quad rules");
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// LoadRules ("rules/quad.rls");
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}
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size_t len = 0;
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while (*hcp)
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{
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// (*testout) << "POS2 *hcp " << *hcp << endl;
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len += strlen (*hcp);
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hcp++;
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}
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//tr1 = new char[len+1];
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//tr1[0] = 0;
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tr1.reserve(len+1);
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// if (!mparam.quad)
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if (!quad)
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hcp = triarules;
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else
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hcp = quadrules;
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//char * tt1 = tr1;
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while (*hcp)
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{
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//strcat (tt1, *hcp);
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//tt1 += strlen (*hcp);
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tr1.append(*hcp);
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hcp++;
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}
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#ifdef WIN32
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// VC++ 2005 workaround
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for(string::size_type i=0; i<tr1.size(); i++)
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if(tr1[i] == ',')
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tr1[i] = ':';
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#endif
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ist = new istringstream (tr1);
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}
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if (!ist->good())
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{
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cerr << "Rule description file " << filename << " not found" << endl;
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delete ist;
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exit (1);
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}
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while (!ist->eof())
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{
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buf[0] = 0;
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(*ist) >> buf;
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if (strcmp (buf, "rule") == 0)
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{
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//(*testout) << "found rule" << endl;
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netrule * rule = new netrule;
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//(*testout) << "fr1" << endl;
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rule -> LoadRule(*ist);
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//(*testout) << "fr2" << endl;
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rules.Append (rule);
|
|
}
|
|
//(*testout) << "loop" << endl;
|
|
}
|
|
//(*testout) << "POS3" << endl;
|
|
|
|
delete ist;
|
|
//delete [] tr1;
|
|
}
|
|
|
|
}
|