mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-14 10:08:32 +05:00
1039 lines
22 KiB
C++
1039 lines
22 KiB
C++
/*
|
|
|
|
2d Spline curve for Mesh generator
|
|
|
|
*/
|
|
|
|
#include <meshing.hpp>
|
|
#include <geometry2d.hpp>
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
|
|
|
|
SplineGeometry2d :: ~SplineGeometry2d()
|
|
{
|
|
for ( int i = 0; i < bcnames.Size(); i++ )
|
|
delete bcnames[i];
|
|
for (int i=0; i<materials.Size(); i++)
|
|
delete [] materials[i];
|
|
}
|
|
|
|
|
|
void SplineGeometry2d :: Load (const char * filename)
|
|
{
|
|
|
|
ifstream infile;
|
|
Point<2> x;
|
|
char buf[50];
|
|
|
|
|
|
infile.open (filename);
|
|
|
|
if ( ! infile.good() )
|
|
throw NgException(string ("Input file '") +
|
|
string (filename) +
|
|
string ("' not available!"));
|
|
|
|
TestComment ( infile );
|
|
|
|
infile >> buf; // file recognition
|
|
|
|
tensormeshing.SetSize(0);
|
|
quadmeshing.SetSize(0);
|
|
|
|
TestComment ( infile );
|
|
if ( strcmp (buf, "splinecurves2dnew") == 0 )
|
|
{
|
|
LoadDataNew ( infile );
|
|
}
|
|
else if ( strcmp (buf, "splinecurves2dv2") == 0 )
|
|
{
|
|
LoadDataV2 ( infile );
|
|
}
|
|
else
|
|
{
|
|
LoadData(infile );
|
|
}
|
|
infile.close();
|
|
}
|
|
|
|
|
|
|
|
// herbert: fixed TestComment
|
|
void SplineGeometry2d :: TestComment ( ifstream & infile )
|
|
{
|
|
bool comment = true;
|
|
char ch;
|
|
while ( comment == true && !infile.eof() ) {
|
|
infile.get(ch);
|
|
if ( ch == '#' ) { // skip comments
|
|
while ( ch != '\n' && !infile.eof() ) {
|
|
infile.get(ch);
|
|
}
|
|
}
|
|
else if ( ch == '\n' ) { // skip empty lines
|
|
;
|
|
}
|
|
else if ( isspace(ch) ) { // skip whitespaces
|
|
;
|
|
}
|
|
else { // end of comment
|
|
infile.putback(ch);
|
|
comment = false;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
|
|
void SplineGeometry2d :: LoadData ( ifstream & infile )
|
|
{
|
|
enum { D = 2 };
|
|
|
|
int nump, numseg, leftdom, rightdom;
|
|
Point<D> x;
|
|
int hi1, hi2, hi3;
|
|
double hd;
|
|
char buf[50], ch;
|
|
|
|
materials.SetSize(0);
|
|
maxh.SetSize(0);
|
|
infile >> elto0;
|
|
|
|
TestComment ( infile );
|
|
|
|
infile >> nump;
|
|
for (int i = 0; i < nump; i++)
|
|
{
|
|
TestComment ( infile );
|
|
for(int j=0; j<D; j++)
|
|
infile >> x(j);
|
|
infile >> hd;
|
|
|
|
Flags flags;
|
|
|
|
ch = 'a';
|
|
// infile >> ch;
|
|
do {
|
|
infile.get (ch);
|
|
} while (isspace(ch) && ch != '\n');
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
do {
|
|
infile.get (ch);
|
|
} while (isspace(ch) && ch != '\n');
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
geompoints.Append (GeomPoint<D>(x, hd));
|
|
geompoints.Last().hpref = flags.GetDefineFlag ("hpref");
|
|
geompoints.Last().hmax = 1e99;
|
|
}
|
|
|
|
PrintMessage (3, nump, " points loaded");
|
|
TestComment ( infile );
|
|
|
|
infile >> numseg;
|
|
bcnames.SetSize(numseg);
|
|
for ( int i = 0; i < numseg; i++ )
|
|
bcnames[i] = 0; // "default";
|
|
|
|
SplineSeg<D> * spline = 0;
|
|
|
|
PrintMessage (3, numseg, " segments loaded");
|
|
for (int i = 0; i < numseg; i++)
|
|
{
|
|
TestComment ( infile );
|
|
|
|
infile >> leftdom >> rightdom;
|
|
|
|
// cout << "add spline " << i << ", left = " << leftdom << ", right = " << rightdom << endl;
|
|
|
|
infile >> buf;
|
|
// type of spline segment
|
|
if (strcmp (buf, "2") == 0)
|
|
{ // a line
|
|
infile >> hi1 >> hi2;
|
|
spline = new LineSeg<D>(geompoints[hi1-1],
|
|
geompoints[hi2-1]);
|
|
}
|
|
else if (strcmp (buf, "3") == 0)
|
|
{ // a rational spline
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new SplineSeg3<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
}
|
|
else if (strcmp (buf, "4") == 0)
|
|
{ // an arc
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new CircleSeg<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
// break;
|
|
}
|
|
else if (strcmp (buf, "discretepoints") == 0)
|
|
{
|
|
int npts;
|
|
infile >> npts;
|
|
Array< Point<D> > pts(npts);
|
|
for (int j = 0; j < npts; j++)
|
|
for(int k=0; k<D; k++)
|
|
infile >> pts[j](k);
|
|
|
|
spline = new DiscretePointsSeg<D> (pts);
|
|
}
|
|
|
|
|
|
SplineSegExt * spex = new SplineSegExt (*spline);
|
|
|
|
infile >> spex->reffak;
|
|
spex -> leftdom = leftdom;
|
|
spex -> rightdom = rightdom;
|
|
spex -> hmax = 1e99;
|
|
splines.Append (spex);
|
|
|
|
|
|
Flags flags;
|
|
ch = 'a';
|
|
infile >> ch;
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
infile >> ch;
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
spex->bc = int (flags.GetNumFlag ("bc", i+1));
|
|
spex->hpref_left = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefleft"));
|
|
spex->hpref_right = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefright"));
|
|
spex->copyfrom = int (flags.GetNumFlag ("copy", -1));
|
|
if ( flags.StringFlagDefined("bcname") )
|
|
{
|
|
int mybc = spex->bc-1;
|
|
delete bcnames[mybc];
|
|
bcnames[mybc] = new string (flags.GetStringFlag("bcname","") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void SplineGeometry2d :: LoadDataNew ( ifstream & infile )
|
|
{
|
|
enum { D = 2 };
|
|
int nump, numseg, leftdom, rightdom;
|
|
Point<D> x;
|
|
int hi1, hi2, hi3;
|
|
double hd;
|
|
char buf[50], ch;
|
|
int pointnr;
|
|
|
|
|
|
TestComment ( infile );
|
|
infile >> elto0;
|
|
TestComment ( infile );
|
|
|
|
infile >> nump;
|
|
geompoints.SetSize(nump);
|
|
|
|
for (int i = 0; i < nump; i++)
|
|
{
|
|
TestComment ( infile );
|
|
infile >> pointnr;
|
|
if ( pointnr > nump )
|
|
{
|
|
throw NgException(string ("Point number greater than total number of points") );
|
|
}
|
|
for(int j=0; j<D; j++)
|
|
infile >> x(j);
|
|
|
|
|
|
// hd is now optional, default 1
|
|
// infile >> hd;
|
|
hd = 1;
|
|
|
|
Flags flags;
|
|
|
|
|
|
// get flags,
|
|
ch = 'a';
|
|
// infile >> ch;
|
|
do
|
|
{
|
|
|
|
infile.get (ch);
|
|
// if another int-value, set refinement flag to this value
|
|
// (corresponding to old files)
|
|
if ( int (ch) >= 48 && int(ch) <= 57 )
|
|
{
|
|
infile.putback(ch);
|
|
infile >> hd;
|
|
infile.get(ch);
|
|
}
|
|
}
|
|
while (isspace(ch) && ch != '\n');
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
do {
|
|
infile.get (ch);
|
|
} while (isspace(ch) && ch != '\n');
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
if ( hd == 1 )
|
|
hd = flags.GetNumFlag ( "ref", 1.0);
|
|
// geompoints.Append (GeomPoint<D>(x, hd));
|
|
geompoints[pointnr-1] = GeomPoint<D>(x, hd);
|
|
geompoints[pointnr-1].hpref = flags.GetDefineFlag ("hpref");
|
|
}
|
|
|
|
TestComment ( infile );
|
|
|
|
infile >> numseg;
|
|
bcnames.SetSize(numseg);
|
|
for ( int i = 0; i < numseg; i++ )
|
|
bcnames[i] = 0;//new"default";
|
|
|
|
SplineSeg<D> * spline = 0;
|
|
for (int i = 0; i < numseg; i++)
|
|
{
|
|
TestComment ( infile );
|
|
|
|
infile >> leftdom >> rightdom;
|
|
|
|
// cout << "add spline " << i << ", left = " << leftdom << endl;
|
|
|
|
infile >> buf;
|
|
// type of spline segment
|
|
if (strcmp (buf, "2") == 0)
|
|
{ // a line
|
|
infile >> hi1 >> hi2;
|
|
spline = new LineSeg<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1]);
|
|
}
|
|
else if (strcmp (buf, "3") == 0)
|
|
{ // a rational spline
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new SplineSeg3<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
}
|
|
else if (strcmp (buf, "4") == 0)
|
|
{ // an arc
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new CircleSeg<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
// break;
|
|
}
|
|
else if (strcmp (buf, "discretepoints") == 0)
|
|
{
|
|
int npts;
|
|
infile >> npts;
|
|
Array< Point<D> > pts(npts);
|
|
for (int j = 0; j < npts; j++)
|
|
for(int k=0; k<D; k++)
|
|
infile >> pts[j](k);
|
|
|
|
spline = new DiscretePointsSeg<D> (pts);
|
|
}
|
|
|
|
// infile >> spline->reffak;
|
|
|
|
SplineSegExt * spex = new SplineSegExt (*spline);
|
|
|
|
spex -> leftdom = leftdom;
|
|
spex -> rightdom = rightdom;
|
|
splines.Append (spex);
|
|
|
|
// hd is now optional, default 1
|
|
// infile >> hd;
|
|
hd = 1;
|
|
infile >> ch;
|
|
|
|
// get refinement parameter, if it is there
|
|
// infile.get (ch);
|
|
// if another int-value, set refinement flag to this value
|
|
// (corresponding to old files)
|
|
if ( int (ch) >= 48 && int(ch) <= 57 )
|
|
{
|
|
infile.putback(ch);
|
|
infile >> hd;
|
|
infile >> ch ;
|
|
}
|
|
|
|
Flags flags;
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
infile >> ch;
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
spex->bc = int (flags.GetNumFlag ("bc", i+1));
|
|
spex->hpref_left = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefleft"));
|
|
spex->hpref_right = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefright"));
|
|
spex->copyfrom = int (flags.GetNumFlag ("copy", -1));
|
|
spex->reffak = flags.GetNumFlag ("ref", 1 );
|
|
spex->hmax = flags.GetNumFlag ("maxh", 1e99 );
|
|
|
|
if ( flags.StringFlagDefined("bcname") )
|
|
{
|
|
int mybc = spex->bc-1;
|
|
if ( bcnames[mybc] ) delete bcnames[mybc];
|
|
bcnames[mybc] = new string (flags.GetStringFlag("bcname","") );
|
|
}
|
|
|
|
if ( hd != 1 )
|
|
spex->reffak = hd;
|
|
}
|
|
if ( !infile.good() )
|
|
return;
|
|
TestComment ( infile );
|
|
int numdomains;
|
|
int domainnr;
|
|
char material[100];
|
|
|
|
if ( !infile.good() )
|
|
return;
|
|
|
|
infile >> numdomains;
|
|
materials.SetSize(numdomains) ;
|
|
maxh.SetSize ( numdomains ) ;
|
|
maxh = 1e99;
|
|
|
|
TestComment ( infile );
|
|
|
|
for ( int i=0; i<numdomains; i++)
|
|
materials [ i ] = new char (100);
|
|
|
|
for ( int i=0; i<numdomains && infile.good(); i++)
|
|
{
|
|
TestComment ( infile );
|
|
infile >> domainnr;
|
|
infile >> material;
|
|
strcpy(materials[domainnr-1], material);
|
|
|
|
Flags flags;
|
|
ch = 'a';
|
|
infile >> ch;
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
infile >> ch;
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
maxh[domainnr-1] = flags.GetNumFlag ( "maxh", 1e99);
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
|
|
void SplineGeometry2d :: LoadDataV2 ( ifstream & infile )
|
|
{
|
|
enum { D = 2 };
|
|
// new parser by Astrid Sinwel
|
|
|
|
PrintMessage (1, "Load 2D Geometry V2");
|
|
int nump, leftdom, rightdom;
|
|
Point<D> x;
|
|
int hi1, hi2, hi3;
|
|
double hd;
|
|
char buf[50], ch;
|
|
int pointnr;
|
|
|
|
string keyword;
|
|
|
|
Array < GeomPoint<D> > infilepoints (0);
|
|
Array <int> pointnrs (0);
|
|
nump = 0;
|
|
int numdomains = 0;
|
|
|
|
|
|
TestComment ( infile );
|
|
// refinement factor
|
|
infile >> elto0;
|
|
TestComment ( infile );
|
|
|
|
|
|
// test if next ch is a letter, i.e. new keyword starts
|
|
bool ischar = false;
|
|
|
|
while ( infile.good() )
|
|
{
|
|
infile >> keyword;
|
|
|
|
ischar = false;
|
|
|
|
if ( keyword == "points" )
|
|
{
|
|
PrintMessage (3, "load points");
|
|
infile.get(ch);
|
|
infile.putback(ch);
|
|
|
|
// test if ch is a letter
|
|
if ( int(ch) >= 65 && int(ch) <=90 )
|
|
ischar = true;
|
|
if ( int(ch) >= 97 && int(ch) <= 122 )
|
|
ischar = true;
|
|
|
|
while ( ! ischar )
|
|
{
|
|
TestComment ( infile );
|
|
infile >> pointnr;
|
|
// pointnrs 1-based
|
|
if ( pointnr > nump ) nump = pointnr;
|
|
pointnrs.Append(pointnr);
|
|
|
|
for(int j=0; j<D; j++)
|
|
infile >> x(j);
|
|
// hd is now optional, default 1
|
|
// infile >> hd;
|
|
hd = 1;
|
|
|
|
Flags flags;
|
|
|
|
|
|
// get flags,
|
|
ch = 'a';
|
|
// infile >> ch;
|
|
do
|
|
{
|
|
infile.get (ch);
|
|
// if another int-value, set refinement flag to this value
|
|
// (corresponding to old files)
|
|
if ( int (ch) >= 48 && int(ch) <= 57 )
|
|
{
|
|
infile.putback(ch);
|
|
infile >> hd;
|
|
infile.get(ch);
|
|
}
|
|
}
|
|
while (isspace(ch) && ch != '\n');
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
do {
|
|
infile.get (ch);
|
|
} while (isspace(ch) && ch != '\n');
|
|
}
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
if ( hd == 1 )
|
|
hd = flags.GetNumFlag ( "ref", 1.0);
|
|
// geompoints.Append (GeomPoint<D>(x, hd));
|
|
|
|
infilepoints.Append ( GeomPoint<D>(x, hd) );
|
|
infilepoints.Last().hpref = flags.GetDefineFlag ("hpref");
|
|
infilepoints.Last().hmax = flags.GetNumFlag ("maxh", 1e99);
|
|
|
|
TestComment(infile);
|
|
infile.get(ch);
|
|
infile.putback(ch);
|
|
|
|
// test if letter
|
|
if ( int(ch) >= 65 && int(ch) <=90 )
|
|
ischar = true;
|
|
if ( int(ch) >= 97 && int(ch) <= 122 )
|
|
ischar = true;
|
|
}
|
|
|
|
// infile.putback (ch);
|
|
|
|
geompoints.SetSize(nump);
|
|
for ( int i = 0; i < nump; i++ )
|
|
{
|
|
geompoints[pointnrs[i] - 1] = infilepoints[i];
|
|
geompoints[pointnrs[i] - 1].hpref = infilepoints[i].hpref;
|
|
}
|
|
TestComment(infile);
|
|
}
|
|
|
|
else if ( keyword == "segments" )
|
|
{
|
|
PrintMessage (3, "load segments");
|
|
|
|
bcnames.SetSize(0);
|
|
infile.get(ch);
|
|
infile.putback(ch);
|
|
int i = 0;
|
|
|
|
// test if ch is a letter
|
|
if ( int(ch) >= 65 && int(ch) <=90 )
|
|
ischar = true;
|
|
if ( int(ch) >= 97 && int(ch) <= 122 )
|
|
ischar = true;
|
|
|
|
while ( !ischar ) //ch != 'p' && ch != 'm' )
|
|
{
|
|
i++;
|
|
TestComment ( infile );
|
|
|
|
SplineSeg<D> * spline = 0;
|
|
TestComment ( infile );
|
|
|
|
infile >> leftdom >> rightdom;
|
|
|
|
if ( leftdom > numdomains ) numdomains = leftdom;
|
|
if ( rightdom > numdomains ) numdomains = rightdom;
|
|
|
|
|
|
infile >> buf;
|
|
// type of spline segment
|
|
if (strcmp (buf, "2") == 0)
|
|
{ // a line
|
|
infile >> hi1 >> hi2;
|
|
spline = new LineSeg<D>(geompoints[hi1-1],
|
|
geompoints[hi2-1]);
|
|
}
|
|
else if (strcmp (buf, "3") == 0)
|
|
{ // a rational spline
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new SplineSeg3<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
}
|
|
else if (strcmp (buf, "4") == 0)
|
|
{ // an arc
|
|
infile >> hi1 >> hi2 >> hi3;
|
|
spline = new CircleSeg<D> (geompoints[hi1-1],
|
|
geompoints[hi2-1],
|
|
geompoints[hi3-1]);
|
|
}
|
|
else if (strcmp (buf, "discretepoints") == 0)
|
|
{
|
|
int npts;
|
|
infile >> npts;
|
|
Array< Point<D> > pts(npts);
|
|
for (int j = 0; j < npts; j++)
|
|
for(int k=0; k<D; k++)
|
|
infile >> pts[j](k);
|
|
|
|
spline = new DiscretePointsSeg<D> (pts);
|
|
}
|
|
else if (strcmp (buf, "bsplinepoints") == 0)
|
|
{
|
|
int npts,order;
|
|
infile >> npts;
|
|
infile >> order;
|
|
Array< Point<D> > pts(npts);
|
|
for (int j = 0; j < npts; j++)
|
|
for(int k=0; k<D; k++)
|
|
infile >> pts[j](k);
|
|
if(order<2)
|
|
cerr<<"Minimum order of 2 is required!!"<<endl;
|
|
else if(order==2)
|
|
spline = new BSplineSeg<D,2> (pts);
|
|
else if(order==3)
|
|
spline = new BSplineSeg<D,3> (pts);
|
|
else if(order==4)
|
|
spline = new BSplineSeg<D,4> (pts);
|
|
else if(order>4)
|
|
cerr<<"Maximum allowed order is 4!!"<<endl;
|
|
}
|
|
|
|
// infile >> spline->reffak;
|
|
SplineSegExt * spex = new SplineSegExt (*spline);
|
|
|
|
spex -> leftdom = leftdom;
|
|
spex -> rightdom = rightdom;
|
|
splines.Append (spex);
|
|
|
|
|
|
// hd is now optional, default 1
|
|
// infile >> hd;
|
|
hd = 1;
|
|
|
|
infile >> ch;
|
|
|
|
// get refinement parameter, if it is there
|
|
//infile.get (ch);
|
|
// if another int-value, set refinement flag to this value
|
|
// (corresponding to old files)
|
|
/*
|
|
if ( int (ch) >= 48 && int(ch) <= 57 )
|
|
{
|
|
infile.putback(ch);
|
|
infile >> hd;
|
|
infile >> ch ;
|
|
}
|
|
*/
|
|
// get flags,
|
|
Flags flags;
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
infile >> ch;
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
spex->bc = int (flags.GetNumFlag ("bc", i+1));
|
|
spex->hpref_left = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefleft"));
|
|
spex->hpref_right = int (flags.GetDefineFlag ("hpref")) ||
|
|
int (flags.GetDefineFlag ("hprefright"));
|
|
spex->copyfrom = int (flags.GetNumFlag ("copy", -1));
|
|
spex->reffak = flags.GetNumFlag ("ref", 1 );
|
|
spex->hmax = flags.GetNumFlag ("maxh", 1e99 );
|
|
if ( hd != 1 ) spex->reffak = hd;
|
|
|
|
if ( flags.StringFlagDefined("bcname") )
|
|
{
|
|
int mybc = spex->bc-1;
|
|
for ( int ii = bcnames.Size(); ii <= mybc; ii++ )
|
|
bcnames.Append ( new string ("default"));
|
|
if ( bcnames[mybc] ) delete bcnames[mybc];
|
|
bcnames[mybc] = new string (flags.GetStringFlag("bcname","") );
|
|
}
|
|
|
|
TestComment(infile);
|
|
infile.get(ch);
|
|
infile.putback(ch);
|
|
|
|
// test if ch is a letter
|
|
if ( int(ch) >= 65 && int(ch) <=90 )
|
|
ischar = true;
|
|
if ( int(ch) >= 97 && int(ch) <= 122 )
|
|
ischar = true;
|
|
|
|
}
|
|
|
|
infile.get(ch);
|
|
infile.putback(ch);
|
|
|
|
|
|
}
|
|
else if ( keyword == "materials" )
|
|
{
|
|
TestComment ( infile );
|
|
int domainnr;
|
|
char material[100];
|
|
|
|
if ( !infile.good() )
|
|
return;
|
|
|
|
materials.SetSize(numdomains) ;
|
|
maxh.SetSize ( numdomains ) ;
|
|
for ( int i = 0; i < numdomains; i++)
|
|
maxh[i] = 1000;
|
|
quadmeshing.SetSize ( numdomains );
|
|
quadmeshing = false;
|
|
tensormeshing.SetSize ( numdomains );
|
|
tensormeshing = false;
|
|
layer.SetSize ( numdomains );
|
|
layer = 1;
|
|
|
|
|
|
TestComment ( infile );
|
|
|
|
for ( int i=0; i<numdomains; i++)
|
|
materials [ i ] = new char[100];
|
|
|
|
for ( int i=0; i<numdomains && infile.good(); i++)
|
|
{
|
|
TestComment ( infile );
|
|
infile >> domainnr;
|
|
infile >> material;
|
|
|
|
strcpy (materials[domainnr-1], material);
|
|
|
|
Flags flags;
|
|
ch = 'a';
|
|
infile >> ch;
|
|
while (ch == '-')
|
|
{
|
|
char flag[100];
|
|
flag[0]='-';
|
|
infile >> (flag+1);
|
|
flags.SetCommandLineFlag (flag);
|
|
ch = 'a';
|
|
infile >> ch;
|
|
}
|
|
|
|
if (infile.good())
|
|
infile.putback (ch);
|
|
|
|
maxh[domainnr-1] = flags.GetNumFlag ( "maxh", 1000);
|
|
if (flags.GetDefineFlag("quad")) quadmeshing[domainnr-1] = true;
|
|
if (flags.GetDefineFlag("tensor")) tensormeshing[domainnr-1] = true;
|
|
layer[domainnr-1] = int(flags.GetNumFlag ("layer", 1));
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
void CalcPartition (const SplineSegExt & spline,
|
|
double l, double h, double h1, double h2,
|
|
double hcurve, double elto0, Array<double> & points)
|
|
{
|
|
double fperel, oldf, f;
|
|
|
|
int n = 1000;
|
|
|
|
points.SetSize (0);
|
|
|
|
double dt = l / n;
|
|
|
|
double sum = 0;
|
|
for (int i = 1; i <= n; i++)
|
|
{
|
|
double t = (i-0.5)*dt;
|
|
double fun = min3 (hcurve, t/elto0 + h1, (l-t)/elto0 + h2);
|
|
double curv = spline.CalcCurvature (t/l);
|
|
cout << "curv = " << curv << endl;
|
|
if (curv < 1e-10) curv = 1e-10;
|
|
fun = min2 (fun, 0.1/curv);
|
|
sum += dt / fun;
|
|
}
|
|
|
|
int nel = int (sum+1);
|
|
fperel = sum / nel;
|
|
|
|
points.Append (0);
|
|
|
|
int i = 1;
|
|
oldf = 0;
|
|
// t = 0.5 * dt;
|
|
for (int j = 1; j <= n && i < nel; j++)
|
|
{
|
|
double t = (j-0.5)*dt;
|
|
double fun = min3 (hcurve, t/elto0 + h1, (l-t)/elto0 + h2);
|
|
double curv = spline.CalcCurvature (t/l);
|
|
if (curv < 1e-10) curv = 1e-10;
|
|
fun = min2 (fun, 0.1/curv);
|
|
|
|
f = oldf + dt / fun;
|
|
|
|
while (i * fperel < f && i < nel)
|
|
{
|
|
points.Append ( dt * (j-1) + (i * fperel - oldf) * fun);
|
|
i++;
|
|
}
|
|
oldf = f;
|
|
t += dt;
|
|
}
|
|
points.Append (l);
|
|
}
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void SplineGeometry2d :: SetBCName (int bcnr, string name)
|
|
{
|
|
if (bcnr < 1)
|
|
throw NgException ("Illegal nr in SetBCName");
|
|
int new_to_add = bcnr - bcnames.Size();
|
|
for (int i = 0; i < new_to_add; i++)
|
|
bcnames.Append (new string("default"));
|
|
delete bcnames[bcnr-1];
|
|
bcnames[bcnr-1] = new string(name);
|
|
}
|
|
|
|
string SplineGeometry2d :: GetBCName( int bcnr ) const
|
|
{
|
|
if (bcnames.Size() >= bcnr)
|
|
if (bcnames[bcnr-1] )
|
|
return *bcnames[bcnr-1];
|
|
return "default";
|
|
}
|
|
|
|
string * SplineGeometry2d :: BCNamePtr( int bcnr )
|
|
{
|
|
if ( bcnr > bcnames.Size() )
|
|
return nullptr;
|
|
else
|
|
return bcnames[bcnr-1];
|
|
}
|
|
|
|
|
|
int SplineGeometry2d :: GetBCNumber (string name) const
|
|
{
|
|
for (int i = 0; i < bcnames.Size(); i++)
|
|
if (*bcnames[i] == name)
|
|
return i+1;
|
|
return 0;
|
|
}
|
|
|
|
int SplineGeometry2d :: AddBCName (string name)
|
|
{
|
|
bcnames.Append (new string(name));
|
|
return bcnames.Size();
|
|
}
|
|
|
|
|
|
|
|
void SplineGeometry2d :: GetMaterial (int domnr, char* & material )
|
|
{
|
|
if ( materials.Size() >= domnr)
|
|
material = materials[domnr-1];
|
|
else
|
|
material = 0;
|
|
}
|
|
|
|
void SplineGeometry2d :: SetMaterial (int domnr, const string & material)
|
|
{
|
|
int oldsize = materials.Size();
|
|
if (domnr > materials.Size()) materials.SetSize (domnr);
|
|
for (int i = oldsize; i < domnr; i++)
|
|
materials[i] = nullptr;
|
|
|
|
if (domnr >= 1) // && domnr <= materials.Size())
|
|
{
|
|
delete materials[domnr-1];
|
|
materials[domnr-1] = new char[material.size()+1];
|
|
strcpy(materials[domnr-1], material.c_str());
|
|
}
|
|
else
|
|
throw NgException ("material index out of range");
|
|
}
|
|
|
|
|
|
|
|
double SplineGeometry2d :: GetDomainMaxh (const int domnr )
|
|
{
|
|
if ( maxh.Size() >= domnr && domnr > 0)
|
|
return maxh[domnr-1];
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
void SplineGeometry2d :: SetDomainMaxh (int domnr, double h)
|
|
{
|
|
int oldsize = maxh.Size();
|
|
if (domnr > maxh.Size()) maxh.SetSize (domnr);
|
|
for (int i = oldsize; i < domnr; i++)
|
|
maxh[i] = 1e99;
|
|
|
|
if (domnr >= 1)
|
|
maxh[domnr-1] = h;
|
|
else
|
|
throw NgException ("material index out of range");
|
|
}
|
|
|
|
|
|
|
|
extern void MeshFromSpline2D (SplineGeometry2d & geometry,
|
|
shared_ptr<Mesh> & mesh,
|
|
MeshingParameters & mp);
|
|
|
|
|
|
int SplineGeometry2d :: GenerateMesh (shared_ptr<Mesh> & mesh, MeshingParameters & mparam)
|
|
{
|
|
MeshFromSpline2D (*this, mesh, mparam);
|
|
return 0;
|
|
}
|
|
|
|
|
|
Refinement & SplineGeometry2d :: GetRefinement () const
|
|
{
|
|
return * new Refinement2d (*this);
|
|
}
|
|
|
|
|
|
|
|
class SplineGeometryRegister : public GeometryRegister
|
|
{
|
|
public:
|
|
virtual NetgenGeometry * Load (string filename) const;
|
|
};
|
|
|
|
NetgenGeometry * SplineGeometryRegister :: Load (string filename) const
|
|
{
|
|
const char * cfilename = filename.c_str();
|
|
if (strcmp (&cfilename[strlen(cfilename)-4], "in2d") == 0)
|
|
{
|
|
PrintMessage (1, "Load 2D-Spline geometry file ", cfilename);
|
|
|
|
|
|
ifstream infile(cfilename);
|
|
|
|
SplineGeometry2d * hgeom = new SplineGeometry2d();
|
|
hgeom -> Load (cfilename);
|
|
return hgeom;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
class SplineGeoInit
|
|
{
|
|
public:
|
|
SplineGeoInit()
|
|
{
|
|
geometryregister.Append (new SplineGeometryRegister);
|
|
}
|
|
};
|
|
|
|
SplineGeoInit sginit;
|
|
|
|
}
|