ForkMaster/netgen
1
0
Fork 0
mirror of https://github.com/NGSolve/netgen.git synced 2024-12-25 21:40:33 +05:00
Code Issues Packages Projects Releases Wiki Activity

little cleanup and modernization in geom2d code

Browse Source
This commit is contained in:
Christopher Lackner 2019-08-27 14:00:44 +02:00
parent eb77dd284d
commit e2df8a5abc
2 changed files with 47 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
libsrc/geom2d/genmesh2d.cpp
View File

@ -308,55 +308,50 @@ namespace netgen
void SplineGeometry2d :: CopyEdgeMesh (int from, int to, Mesh & mesh, Point3dTree & searchtree)
{
// const int D = 2;
NgArray<int, PointIndex::BASE> mappoints (mesh.GetNP());
NgArray<double, PointIndex::BASE> param (mesh.GetNP());
mappoints = -1;
Array<PointIndex, PointIndex> mappoints (mesh.GetNP());
Array<double, PointIndex> param (mesh.GetNP());
mappoints = PointIndex::INVALID;
param = 0;
Point3d pmin, pmax;
mesh.GetBox (pmin, pmax);
double diam2 = Dist2(pmin, pmax);
if (printmessage_importance>0)
cout << "copy edge, from = " << from << " to " << to << endl;
PrintMessage(3, string("Copy edge, from ") + ToString(from) + " to " + ToString(to));
for (int i = 1; i <= mesh.GetNSeg(); i++)
for (const auto& seg : mesh.LineSegments())
{
const Segment & seg = mesh.LineSegment(i);
if (seg.edgenr == from)
{
mappoints.Elem(seg[0]) = 1;
param.Elem(seg[0]) = seg.epgeominfo[0].dist;
mappoints[seg[0]] = 1;
param[seg[0]] = seg.epgeominfo[0].dist;
mappoints.Elem(seg[1]) = 1;
param.Elem(seg[1]) = seg.epgeominfo[1].dist;
mappoints[seg[1]] = 1;
param[seg[1]] = seg.epgeominfo[1].dist;
}
}
bool mapped = false;
for (int i = 1; i <= mappoints.Size(); i++)
for (auto i : Range(mappoints))
{
if (mappoints.Get(i) != -1)
if (mappoints[i].IsValid())
{
Point<2> newp = splines.Get(to)->GetPoint (param.Get(i));
Point<2> newp = splines.Get(to)->GetPoint (param[i]);
Point<3> newp3 (newp(0), newp(1), 0);
int npi = -1;
PointIndex npi = PointIndex::INVALID;
for (PointIndex pi = PointIndex::BASE;
pi < mesh.GetNP()+PointIndex::BASE; pi++)
for (auto pi : Range(mesh.Points()))
if (Dist2 (mesh.Point(pi), newp3) < 1e-12 * diam2)
npi = pi;
if (npi == -1)
if (!npi.IsValid())
{
npi = mesh.AddPoint (newp3);
searchtree.Insert (newp3, npi);
}
mappoints.Elem(i) = npi;
mappoints[i] = npi;
mesh.GetIdentifications().Add (i, npi, to);
mapped = true;
@ -375,15 +370,15 @@ namespace netgen
Segment nseg;
nseg.edgenr = to;
nseg.si = GetSpline(to-1).bc; // splines.Get(to)->bc;
nseg[0] = mappoints.Get(seg[0]);
nseg[1] = mappoints.Get(seg[1]);
nseg[0] = mappoints[seg[0]];
nseg[1] = mappoints[seg[1]];
nseg.domin = GetSpline(to-1).leftdom;
nseg.domout = GetSpline(to-1).rightdom;
nseg.epgeominfo[0].edgenr = to;
nseg.epgeominfo[0].dist = param.Get(seg[0]);
nseg.epgeominfo[0].dist = param[seg[0]];
nseg.epgeominfo[1].edgenr = to;
nseg.epgeominfo[1].dist = param.Get(seg[1]);
nseg.epgeominfo[1].dist = param[seg[1]];
mesh.AddSegment (nseg);
}
}

54
libsrc/geom2d/python_geom2d.cpp
View File

@ -62,33 +62,27 @@ DLL_HEADER void ExportGeom2d(py::module &m)
}),
py::arg("x"), py::arg("y"), py::arg("maxh") = 1e99, py::arg("hpref")=0, py::arg("name")="")
.def("Append", FunctionPointer([](SplineGeometry2d &self, py::list segment, int leftdomain, int rightdomain,
py::object bc, py::object copy, double maxh, double hpref)
optional<variant<int, string>> bc, optional<int> copy, double maxh,
double hpref)
{
py::extract<std::string> segtype(segment[0]);
auto segtype = py::cast<std::string>(segment[0]);
SplineSegExt * seg;
if (segtype().compare("line") == 0)
if (segtype == "line")
{
py::extract<int> point_index1(segment[1]);
py::extract<int> point_index2(segment[2]);
//point_index1.check()
LineSeg<2> * l = new LineSeg<2>(self.GetPoint(point_index1()), self.GetPoint(point_index2()));
LineSeg<2> * l = new LineSeg<2>(self.GetPoint(py::cast<int>(segment[1])),
self.GetPoint(py::cast<int>(segment[2])));
seg = new SplineSegExt(*l);
}
else if (segtype().compare("spline3") == 0)
else if (segtype == "spline3")
{
py::extract<int> point_index1(segment[1]);
py::extract<int> point_index2(segment[2]);
py::extract<int> point_index3(segment[3]);
SplineSeg3<2> * seg3 = new SplineSeg3<2>(self.GetPoint(point_index1()), self.GetPoint(point_index2()), self.GetPoint(point_index3()));
SplineSeg3<2> * seg3 = new SplineSeg3<2>(self.GetPoint(py::cast<int>(segment[1])),
self.GetPoint(py::cast<int>(segment[2])),
self.GetPoint(py::cast<int>(segment[3])));
seg = new SplineSegExt(*seg3);
}
else
{
cout << "Appended segment is not a line or a spline3" << endl;
}
throw Exception("Appended segment is not a line or a spline3");
seg->leftdom = leftdomain;
seg->rightdom = rightdomain;
seg->hmax = maxh;
@ -96,23 +90,27 @@ DLL_HEADER void ExportGeom2d(py::module &m)
seg->hpref_right = hpref;
seg->reffak = 1;
seg->copyfrom = -1;
if (py::extract<int>(copy).check())
seg->copyfrom = py::extract<int>(copy)()+1;
if (py::extract<int>(bc).check())
seg->bc = py::extract<int>(bc)();
else if (py::extract<string>(bc).check())
if (copy.has_value())
seg->copyfrom = *copy+1;
if (bc.has_value())
{
string bcname = py::extract<string>(bc)();
seg->bc = self.GetNSplines()+1;
self.SetBCName(seg->bc, bcname);
if(auto intptr = get_if<int>(&*bc); intptr)
seg->bc = *intptr;
else
{
auto bcname = get<string>(*bc);
seg->bc = self.GetNSplines() + 1;
self.SetBCName(seg->bc, bcname);
}
}
else
seg->bc = self.GetNSplines()+1;
self.AppendSegment(seg);
return self.GetNSplines()-1;
}), py::arg("point_indices"), py::arg("leftdomain") = 1, py::arg("rightdomain") = py::int_(0),
py::arg("bc")=NGDummyArgument(), py::arg("copy")=NGDummyArgument(), py::arg("maxh")=1e99, py::arg("hpref")=0)
py::arg("bc")=nullopt, py::arg("copy")=nullopt, py::arg("maxh")=1e99,
py::arg("hpref")=0)
.def("AppendSegment", FunctionPointer([](SplineGeometry2d &self, py::list point_indices, int leftdomain, int rightdomain)
@ -132,6 +130,8 @@ DLL_HEADER void ExportGeom2d(py::module &m)
seg = new SplineSegExt(*seg3);
}
else
throw Exception("Can only append segments with 2 or 3 points!");
seg->leftdom = leftdomain;
seg->rightdom = rightdomain;
seg->hmax = 1e99;