mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-31 00:00:33 +05:00
135 lines
2.3 KiB
C++
135 lines
2.3 KiB
C++
/*
|
|
|
|
2d Spline curve for Mesh generator
|
|
|
|
*/
|
|
|
|
|
|
#include <mystdlib.h>
|
|
#include <linalg.hpp>
|
|
#include <gprim.hpp>
|
|
#include "splinegeometry.hpp"
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
|
|
template<int D>
|
|
SplineGeometry<D> :: ~SplineGeometry()
|
|
{
|
|
for(int i = 0; i < splines.Size(); i++)
|
|
delete splines[i];
|
|
}
|
|
|
|
|
|
template<int D>
|
|
void SplineGeometry<D> :: GetRawData (Array<double> & raw_data) const
|
|
{
|
|
raw_data.Append(D);
|
|
// raw_data.Append(elto0);
|
|
|
|
raw_data.Append(splines.Size());
|
|
for(int i=0; i<splines.Size(); i++)
|
|
splines[i]->GetRawData(raw_data);
|
|
}
|
|
|
|
|
|
|
|
template<int D>
|
|
int SplineGeometry<D> :: Load (const Array<double> & raw_data, const int startpos)
|
|
{
|
|
int pos = startpos;
|
|
if(raw_data[pos] != D)
|
|
throw NgException("wrong dimension of spline raw_data");
|
|
|
|
pos++;
|
|
|
|
// elto0 = raw_data[pos]; pos++;
|
|
|
|
splines.SetSize(int(raw_data[pos]));
|
|
pos++;
|
|
|
|
Array< Point<D> > pts(3);
|
|
|
|
for(int i=0; i<splines.Size(); i++)
|
|
{
|
|
int type = int(raw_data[pos]);
|
|
pos++;
|
|
|
|
for(int j=0; j<type; j++)
|
|
for(int k=0; k<D; k++)
|
|
{
|
|
pts[j](k) = raw_data[pos];
|
|
pos++;
|
|
}
|
|
|
|
if (type == 2)
|
|
{
|
|
splines[i] = new LineSeg<D>(GeomPoint<D>(pts[0],1),
|
|
GeomPoint<D>(pts[1],1));
|
|
}
|
|
else if (type == 3)
|
|
{
|
|
splines[i] = new SplineSeg3<D>(GeomPoint<D>(pts[0],1),
|
|
GeomPoint<D>(pts[1],1),
|
|
GeomPoint<D>(pts[2],1));
|
|
}
|
|
else
|
|
throw NgException("something wrong with spline raw data");
|
|
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<int D>
|
|
void SplineGeometry<D> :: GetBoundingBox (Box<D> & box) const
|
|
{
|
|
if (!splines.Size())
|
|
{
|
|
Point<D> auxp = 0.;
|
|
box.Set (auxp);
|
|
return;
|
|
}
|
|
|
|
Array<Point<D> > points;
|
|
for (int i = 0; i < splines.Size(); i++)
|
|
{
|
|
splines[i]->GetPoints (20, points);
|
|
|
|
if (i == 0) box.Set(points[0]);
|
|
for (int j = 0; j < points.Size(); j++)
|
|
box.Add (points[j]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
template<int D>
|
|
void SplineGeometry<D> :: SetGrading (const double grading)
|
|
{
|
|
elto0 = grading;
|
|
}
|
|
*/
|
|
|
|
template<int D>
|
|
void SplineGeometry<D> :: AppendPoint (const Point<D> & p, const double reffac, const bool hpref)
|
|
{
|
|
geompoints.Append (GeomPoint<D>(p, reffac));
|
|
geompoints.Last().hpref = hpref;
|
|
}
|
|
|
|
|
|
|
|
template class SplineGeometry<2>;
|
|
template class SplineGeometry<3>;
|
|
}
|
|
|
|
|