mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-23 02:02:49 +05:00
612 lines
12 KiB
C++
612 lines
12 KiB
C++
#include <mystdlib.h>
|
|
#include "meshing.hpp"
|
|
|
|
#ifdef WIN32
|
|
#define COMMASIGN ':'
|
|
#else
|
|
#define COMMASIGN ','
|
|
#endif
|
|
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
|
|
void LoadMatrixLine (istream & ist, DenseMatrix & m, int line)
|
|
{
|
|
char ch;
|
|
int pnum;
|
|
float f;
|
|
|
|
ist >> ch;
|
|
while (ch != '}')
|
|
{
|
|
ist.putback (ch);
|
|
ist >> f;
|
|
ist >> ch;
|
|
ist >> pnum;
|
|
|
|
if (ch == 'x' || ch == 'X')
|
|
m.Elem(line, 2 * pnum - 1) = f;
|
|
if (ch == 'y' || ch == 'Y')
|
|
m.Elem(line, 2 * pnum) = f;
|
|
|
|
ist >> ch;
|
|
if (ch == COMMASIGN)
|
|
ist >> ch;
|
|
}
|
|
}
|
|
|
|
|
|
void netrule :: LoadRule (istream & ist)
|
|
{
|
|
char buf[256];
|
|
char ch;
|
|
Point<2> p;
|
|
INDEX_2 lin;
|
|
int i, j;
|
|
DenseMatrix tempoldutonewu(20, 20), tempoldutofreearea(20, 20),
|
|
tempoldutofreearealimit(20, 20);
|
|
|
|
tempoldutonewu = 0;
|
|
tempoldutofreearea = 0;
|
|
tempoldutofreearealimit = 0;
|
|
|
|
noldp = 0;
|
|
noldl = 0;
|
|
|
|
ist.get (buf, sizeof(buf), '"');
|
|
ist.get (ch);
|
|
ist.get (buf, sizeof(buf), '"');
|
|
ist.get (ch);
|
|
|
|
// if(name != NULL)
|
|
/*
|
|
delete [] name;
|
|
name = new char[strlen (buf) + 1];
|
|
strcpy (name, buf);
|
|
*/
|
|
name = string(buf);
|
|
//(*testout) << "name " << name << endl;
|
|
// (*mycout) << "Rule " << name << " found." << endl;
|
|
|
|
do
|
|
{
|
|
ist >> buf;
|
|
|
|
//(*testout) << "buf " << buf << endl;
|
|
|
|
if (strcmp (buf, "quality") == 0)
|
|
|
|
{
|
|
ist >> quality;
|
|
}
|
|
|
|
else if (strcmp (buf, "mappoints") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
ist >> p[0];
|
|
ist >> ch; // ','
|
|
ist >> p[1];
|
|
ist >> ch; // ')'
|
|
|
|
points.Append (p);
|
|
noldp++;
|
|
|
|
tolerances.SetSize (noldp);
|
|
tolerances.Elem(noldp).f1 = 1.0;
|
|
tolerances.Elem(noldp).f2 = 0;
|
|
tolerances.Elem(noldp).f3 = 1.0;
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
if (ch == '{')
|
|
{
|
|
ist >> tolerances.Elem(noldp).f1;
|
|
ist >> ch; // ','
|
|
ist >> tolerances.Elem(noldp).f2;
|
|
ist >> ch; // ','
|
|
ist >> tolerances.Elem(noldp).f3;
|
|
ist >> ch; // '}'
|
|
}
|
|
else if (ch == 'd')
|
|
{
|
|
// delpoints.Append (noldp);
|
|
ist >> ch; // 'e'
|
|
ist >> ch; // 'l'
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
|
|
else if (strcmp (buf, "maplines") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
ist >> lin.I1();
|
|
ist >> ch; // ','
|
|
ist >> lin.I2();
|
|
ist >> ch; // ')'
|
|
|
|
|
|
//(*testout) << "read line " << lin.I1() << " " << lin.I2() << endl;
|
|
lines.Append (lin);
|
|
linevecs.Append (points.Get(lin.I2()) - points.Get(lin.I1()));
|
|
noldl++;
|
|
linetolerances.SetSize (noldl);
|
|
linetolerances.Elem(noldl).f1 = 0;
|
|
linetolerances.Elem(noldl).f2 = 0;
|
|
linetolerances.Elem(noldl).f3 = 0;
|
|
|
|
//(*testout) << "mapl1" << endl;
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
//(*testout) << "working on character \""<<ch<<"\""<< endl;
|
|
if (ch == '{')
|
|
{
|
|
ist >> linetolerances.Elem(noldl).f1;
|
|
ist >> ch; // ','
|
|
ist >> linetolerances.Elem(noldl).f2;
|
|
ist >> ch; // ','
|
|
ist >> linetolerances.Elem(noldl).f3;
|
|
ist >> ch; // '}'
|
|
}
|
|
else if (ch == 'd')
|
|
{
|
|
dellines.Append (noldl);
|
|
ist >> ch; // 'e'
|
|
ist >> ch; // 'l'
|
|
//(*testout) << "read del" << endl;
|
|
}
|
|
|
|
ist >> ch;
|
|
//(*testout) << "read character \""<<ch<<"\""<< endl;
|
|
}
|
|
|
|
ist >> ch;
|
|
//(*testout) << "read next character \""<<ch<<"\""<< endl;
|
|
}
|
|
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "newpoints") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
ist >> p[0];
|
|
ist >> ch; // ','
|
|
ist >> p[1];
|
|
ist >> ch; // ')'
|
|
|
|
points.Append (p);
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
if (ch == '{')
|
|
{
|
|
LoadMatrixLine (ist, tempoldutonewu,
|
|
2 * (points.Size()-noldp) - 1);
|
|
|
|
ist >> ch; // '{'
|
|
LoadMatrixLine (ist, tempoldutonewu,
|
|
2 * (points.Size()-noldp));
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "newlines") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
ist >> lin.I1();
|
|
ist >> ch; // ','
|
|
ist >> lin.I2();
|
|
ist >> ch; // ')'
|
|
|
|
lines.Append (lin);
|
|
linevecs.Append (points.Get(lin.I2()) - points.Get(lin.I1()));
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "freearea") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
ist >> p[0];
|
|
ist >> ch; // ','
|
|
ist >> p[1];
|
|
ist >> ch; // ')'
|
|
|
|
freezone.Append (p);
|
|
freezonelimit.Append (p);
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
if (ch == '{')
|
|
{
|
|
LoadMatrixLine (ist, tempoldutofreearea,
|
|
2 * freezone.Size() - 1);
|
|
|
|
ist >> ch; // '{'
|
|
LoadMatrixLine (ist, tempoldutofreearea,
|
|
2 * freezone.Size());
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
for (i = 1; i <= tempoldutofreearealimit.Height(); i++)
|
|
for (j = 1; j <= tempoldutofreearealimit.Width(); j++)
|
|
tempoldutofreearealimit.Elem(i,j) =
|
|
tempoldutofreearea.Elem(i,j);
|
|
|
|
|
|
ist.putback (ch);
|
|
}
|
|
else if (strcmp (buf, "freearea2") == 0)
|
|
{
|
|
ist >> ch;
|
|
int freepi = 0;
|
|
tempoldutofreearealimit = 0;
|
|
|
|
while (ch == '(')
|
|
{
|
|
freepi++;
|
|
|
|
ist >> p[0];
|
|
ist >> ch; // ','
|
|
ist >> p[1];
|
|
ist >> ch; // ')'
|
|
|
|
freezonelimit.Elem(freepi) = p;
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
if (ch == '{')
|
|
{
|
|
LoadMatrixLine (ist, tempoldutofreearealimit,
|
|
2 * freepi - 1);
|
|
|
|
ist >> ch; // '{'
|
|
LoadMatrixLine (ist, tempoldutofreearealimit,
|
|
2 * freepi);
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "elements") == 0)
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
elements.Append (Element2d(TRIG));
|
|
|
|
ist >> elements.Last().PNum(1);
|
|
ist >> ch; // ','
|
|
|
|
if (ch == COMMASIGN)
|
|
{
|
|
ist >> elements.Last().PNum(2);
|
|
ist >> ch; // ','
|
|
}
|
|
if (ch == COMMASIGN)
|
|
{
|
|
ist >> elements.Last().PNum(3);
|
|
ist >> ch; // ','
|
|
}
|
|
if (ch == COMMASIGN)
|
|
{
|
|
elements.Last().SetType (QUAD);
|
|
ist >> elements.Last().PNum(4);
|
|
ist >> ch; // ','
|
|
|
|
// const Element2d & el = elements.Last();
|
|
/*
|
|
orientations.Append (threeint(el.PNum(1), el.PNum(2), el.PNum(3)));
|
|
orientations.Append (threeint(el.PNum(2), el.PNum(3), el.PNum(4)));
|
|
orientations.Append (threeint(el.PNum(3), el.PNum(4), el.PNum(1)));
|
|
orientations.Append (threeint(el.PNum(4), el.PNum(1), el.PNum(2)));
|
|
*/
|
|
}
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "orientations") == 0)
|
|
|
|
{
|
|
ist >> ch;
|
|
|
|
while (ch == '(')
|
|
{
|
|
// threeint a = threeint();
|
|
orientations.Append (threeint());
|
|
|
|
ist >> orientations.Last().i1;
|
|
ist >> ch; // ','
|
|
ist >> orientations.Last().i2;
|
|
ist >> ch; // ','
|
|
ist >> orientations.Last().i3;
|
|
ist >> ch; // ','
|
|
|
|
ist >> ch;
|
|
while (ch != ';')
|
|
{
|
|
ist >> ch;
|
|
}
|
|
|
|
ist >> ch;
|
|
}
|
|
|
|
ist.putback (ch);
|
|
}
|
|
|
|
else if (strcmp (buf, "endrule") != 0)
|
|
{
|
|
PrintSysError ("Parser error, unknown token ", buf);
|
|
}
|
|
}
|
|
while (!ist.eof() && strcmp (buf, "endrule") != 0);
|
|
|
|
oldutonewu.SetSize (2 * (points.Size() - noldp), 2 * noldp);
|
|
oldutofreearea.SetSize (2 * freezone.Size(), 2 * noldp);
|
|
oldutofreearealimit.SetSize (2 * freezone.Size(), 2 * noldp);
|
|
|
|
for (i = 1; i <= oldutonewu.Height(); i++)
|
|
for (j = 1; j <= oldutonewu.Width(); j++)
|
|
oldutonewu.Elem(i, j) = tempoldutonewu.Elem(i, j);
|
|
|
|
for (i = 1; i <= oldutofreearea.Height(); i++)
|
|
for (j = 1; j <= oldutofreearea.Width(); j++)
|
|
oldutofreearea.Elem(i, j) = tempoldutofreearea.Elem(i, j);
|
|
|
|
for (i = 1; i <= oldutofreearea.Height(); i++)
|
|
for (j = 1; j <= oldutofreearea.Width(); j++)
|
|
oldutofreearealimit.Elem(i, j) = tempoldutofreearealimit.Elem(i, j);
|
|
|
|
freesetinequ.SetSize (freezone.Size());
|
|
|
|
|
|
{
|
|
char ok;
|
|
int minn;
|
|
NgArray<int> pnearness (noldp);
|
|
|
|
for (i = 1; i <= pnearness.Size(); i++)
|
|
pnearness.Elem(i) = 1000;
|
|
|
|
for (j = 1; j <= 2; j++)
|
|
pnearness.Elem(GetPointNr (1, j)) = 0;
|
|
|
|
do
|
|
{
|
|
ok = 1;
|
|
|
|
for (i = 1; i <= noldl; i++)
|
|
{
|
|
minn = 1000;
|
|
for (j = 1; j <= 2; j++)
|
|
minn = min2 (minn, pnearness.Get(GetPointNr (i, j)));
|
|
|
|
for (j = 1; j <= 2; j++)
|
|
if (pnearness.Get(GetPointNr (i, j)) > minn+1)
|
|
{
|
|
ok = 0;
|
|
pnearness.Elem(GetPointNr (i, j)) = minn+1;
|
|
}
|
|
}
|
|
}
|
|
while (!ok);
|
|
|
|
lnearness.SetSize (noldl);
|
|
|
|
for (i = 1; i <= noldl; i++)
|
|
{
|
|
lnearness.Elem(i) = 0;
|
|
for (j = 1; j <= 2; j++)
|
|
lnearness.Elem(i) += pnearness.Get(GetPointNr (i, j));
|
|
}
|
|
}
|
|
|
|
oldutofreearea_i.SetSize (10);
|
|
freezone_i.SetSize (10);
|
|
|
|
for (i = 0; i < oldutofreearea_i.Size(); i++)
|
|
{
|
|
double lam1 = 1.0/(i+1);
|
|
|
|
oldutofreearea_i[i] = move(DenseMatrix (oldutofreearea.Height(), oldutofreearea.Width()));
|
|
DenseMatrix & mati = oldutofreearea_i[i];
|
|
for (j = 0; j < oldutofreearea.Height(); j++)
|
|
for (int k = 0; k < oldutofreearea.Width(); k++)
|
|
mati(j,k) = lam1 * oldutofreearea(j,k) + (1 - lam1) * oldutofreearealimit(j,k);
|
|
|
|
freezone_i[i] = NgArray<Point<2>> (freezone.Size());
|
|
auto& fzi = freezone_i[i];
|
|
for (int j = 0; j < freezone.Size(); j++)
|
|
fzi[j] = freezonelimit[j] + lam1 * (freezone[j] - freezonelimit[j]);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
extern const char * triarules[];
|
|
extern const char * quadrules[];
|
|
|
|
void Meshing2 :: LoadRules (const char * filename, bool quad)
|
|
{
|
|
char buf[256];
|
|
istream * ist;
|
|
//char *tr1 = NULL;
|
|
string tr1;
|
|
|
|
/*
|
|
ifstream ist (filename);
|
|
if (!ist.good())
|
|
{
|
|
cerr << "Rule description file " << filename << " not found" << endl;
|
|
exit (1);
|
|
}
|
|
*/
|
|
|
|
|
|
if (filename)
|
|
{
|
|
// (*mycout) << "rule-filename = " << filename << endl;
|
|
ist = new ifstream (filename);
|
|
}
|
|
else
|
|
{
|
|
/* connect tetrules to one string */
|
|
const char ** hcp;
|
|
|
|
// if (!mparam.quad)
|
|
if (!quad)
|
|
{
|
|
hcp = triarules;
|
|
PrintMessage (3, "load internal triangle rules");
|
|
}
|
|
else
|
|
{
|
|
hcp = quadrules;
|
|
PrintMessage (3, "load internal quad rules");
|
|
// LoadRules ("rules/quad.rls");
|
|
}
|
|
|
|
size_t len = 0;
|
|
while (*hcp)
|
|
{
|
|
// (*testout) << "POS2 *hcp " << *hcp << endl;
|
|
len += strlen (*hcp);
|
|
hcp++;
|
|
}
|
|
//tr1 = new char[len+1];
|
|
//tr1[0] = 0;
|
|
tr1.reserve(len+1);
|
|
|
|
|
|
// if (!mparam.quad)
|
|
if (!quad)
|
|
hcp = triarules;
|
|
else
|
|
hcp = quadrules;
|
|
|
|
|
|
//char * tt1 = tr1;
|
|
while (*hcp)
|
|
{
|
|
//strcat (tt1, *hcp);
|
|
//tt1 += strlen (*hcp);
|
|
tr1.append(*hcp);
|
|
hcp++;
|
|
}
|
|
|
|
#ifdef WIN32
|
|
// VC++ 2005 workaround
|
|
for(string::size_type i=0; i<tr1.size(); i++)
|
|
if(tr1[i] == ',')
|
|
tr1[i] = ':';
|
|
#endif
|
|
|
|
ist = new istringstream (tr1);
|
|
}
|
|
|
|
|
|
if (!ist->good())
|
|
{
|
|
cerr << "Rule description file " << filename << " not found" << endl;
|
|
delete ist;
|
|
exit (1);
|
|
}
|
|
|
|
Timer t("Parsing rules");
|
|
t.Start();
|
|
while (!ist->eof())
|
|
{
|
|
buf[0] = 0;
|
|
(*ist) >> buf;
|
|
|
|
if (strcmp (buf, "rule") == 0)
|
|
{
|
|
//(*testout) << "found rule" << endl;
|
|
auto rule = make_unique<netrule>();
|
|
//(*testout) << "fr1" << endl;
|
|
rule -> LoadRule(*ist);
|
|
//(*testout) << "fr2" << endl;
|
|
|
|
rules.Append (move(rule));
|
|
}
|
|
//(*testout) << "loop" << endl;
|
|
}
|
|
//(*testout) << "POS3" << endl;
|
|
t.Stop();
|
|
|
|
delete ist;
|
|
//delete [] tr1;
|
|
}
|
|
|
|
}
|