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