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207 lines
7.9 KiB
C++
207 lines
7.9 KiB
C++
#ifndef NETGEN_MESHING_PYTHON_MESH_HPP
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#define NETGEN_MESHING_PYTHON_MESH_HPP
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#include <core/python_ngcore.hpp>
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#include "meshing.hpp"
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namespace netgen
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{
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// TODO: Clarify a lot of these parameters
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static string meshingparameter_description = R"delimiter(
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Meshing Parameters
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-------------------
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maxh: float = 1e10
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Global upper bound for mesh size.
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grading: float = 0.3
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Mesh grading how fast the local mesh size can change.
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meshsizefilename: str = None
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Load meshsize from file. Can set local mesh size for points
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and along edges. File must have the format:
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nr_points
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x1, y1, z1, meshsize
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x2, y2, z2, meshsize
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...
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xn, yn, zn, meshsize
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nr_edges
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x11, y11, z11, x12, y12, z12, meshsize
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...
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xn1, yn1, zn1, xn2, yn2, zn2, meshsize
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segmentsperedge: float = 1.
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Minimal number of segments per edge.
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quad_dominated: bool = False
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Quad-dominated surface meshing.
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blockfill: bool = True
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Do fast blockfilling.
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filldist: float = 0.1
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Block fill up to distance
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delaunay: bool = True
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Use delaunay meshing.
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delaunay2d : bool = True
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Use delaunay meshing for 2d geometries.
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Optimization Parameters
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-----------------------
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optimize3d: str = "cmdmustm"
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3d optimization strategy:
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m .. move nodes
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M .. move nodes, cheap functional
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s .. swap faces
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c .. combine elements
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d .. divide elements
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p .. plot, no pause
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P .. plot, Pause
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h .. Histogramm, no pause
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H .. Histogramm, pause
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optsteps3d: int = 3
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Number of 3d optimization steps.
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optimize2d: str = "smcmSmcmSmcm"
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2d optimization strategy:
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s .. swap, opt 6 lines/node
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S .. swap, optimal elements
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m .. move nodes
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p .. plot, no pause
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P .. plot, pause
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c .. combine
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optsteps2d: int = 3
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Number of 2d optimization steps.
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elsizeweight: float = 0.2
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Weight of element size w.r.t. element shape in optimization.
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)delimiter";
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inline void CreateMPfromKwargs(MeshingParameters& mp, py::kwargs kwargs, bool throw_if_not_all_parsed=true)
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{
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if(kwargs.contains("optimize3d"))
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mp.optimize3d = py::cast<string>(kwargs.attr("pop")("optimize3d"));
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if(kwargs.contains("optsteps3d"))
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mp.optsteps3d = py::cast<int>(kwargs.attr("pop")("optsteps3d"));
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if(kwargs.contains("optimize2d"))
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mp.optimize2d = py::cast<string>(kwargs.attr("pop")("optimize2d"));
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if(kwargs.contains("optsteps2d"))
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mp.optsteps2d = py::cast<int>(kwargs.attr("pop")("optsteps2d"));
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if(kwargs.contains("opterrpow"))
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mp.opterrpow = py::cast<double>(kwargs.attr("pop")("opterrpow"));
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if(kwargs.contains("blockfill"))
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mp.blockfill = py::cast<bool>(kwargs.attr("pop")("blockfill"));
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if(kwargs.contains("filldist"))
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mp.filldist = py::cast<double>(kwargs.attr("pop")("filldist"));
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if(kwargs.contains("safety"))
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mp.safety = py::cast<double>(kwargs.attr("pop")("safety"));
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if(kwargs.contains("relinnersafety"))
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mp.relinnersafety = py::cast<double>(kwargs.attr("pop")("relinnersafety"));
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if(kwargs.contains("uselocalh"))
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mp.uselocalh = py::cast<bool>(kwargs.attr("pop")("uselocalh"));
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if(kwargs.contains("grading"))
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mp.grading = py::cast<double>(kwargs.attr("pop")("grading"));
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if(kwargs.contains("delaunay"))
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mp.delaunay = py::cast<bool>(kwargs.attr("pop")("delaunay"));
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if(kwargs.contains("delaunay2d"))
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mp.delaunay2d = py::cast<bool>(kwargs.attr("pop")("delaunay2d"));
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if(kwargs.contains("maxh"))
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mp.maxh = py::cast<double>(kwargs.attr("pop")("maxh"));
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if(kwargs.contains("minh"))
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mp.minh = py::cast<double>(kwargs.attr("pop")("minh"));
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if(kwargs.contains("meshsizefilename"))
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mp.meshsizefilename = py::cast<string>(kwargs.attr("pop")("meshsizefilename"));
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if(kwargs.contains("startinsurface"))
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mp.startinsurface = py::cast<bool>(kwargs.attr("pop")("startinsurface"));
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if(kwargs.contains("checkoverlap"))
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mp.checkoverlap = py::cast<bool>(kwargs.attr("pop")("checkoverlap"));
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if(kwargs.contains("checkoverlappingboundary"))
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mp.checkoverlappingboundary = py::cast<bool>(kwargs.attr("pop")("checkoverlappingboundary"));
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if(kwargs.contains("checkchartboundary"))
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mp.checkchartboundary = py::cast<bool>(kwargs.attr("pop")("checkchartboundary"));
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if(kwargs.contains("curvaturesafety"))
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mp.curvaturesafety = py::cast<double>(kwargs.attr("pop")("curvaturesafety"));
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if(kwargs.contains("segmentsperedge"))
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mp.segmentsperedge = py::cast<double>(kwargs.attr("pop")("segmentsperedge"));
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if(kwargs.contains("parthread"))
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mp.parthread = py::cast<bool>(kwargs.attr("pop")("parthread"));
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if(kwargs.contains("elsizeweight"))
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mp.elsizeweight = py::cast<double>(kwargs.attr("pop")("elsizeweight"));
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if(kwargs.contains("perfstepsstart"))
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mp.perfstepsstart = py::cast<int>(kwargs.attr("pop")("perfstepsstart"));
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if(kwargs.contains("perfstepsend"))
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mp.perfstepsend = py::cast<int>(kwargs.attr("pop")("perfstepsend"));
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if(kwargs.contains("giveuptol2d"))
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mp.giveuptol2d = py::cast<int>(kwargs.attr("pop")("giveuptol2d"));
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if(kwargs.contains("giveuptol"))
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mp.giveuptol = py::cast<int>(kwargs.attr("pop")("giveuptol"));
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if(kwargs.contains("giveuptolopenquads"))
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mp.giveuptolopenquads = py::cast<int>(kwargs.attr("pop")("giveuptolopenquads"));
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if(kwargs.contains("maxoutersteps"))
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mp.maxoutersteps = py::cast<int>(kwargs.attr("pop")("maxoutersteps"));
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if(kwargs.contains("starshapeclass"))
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mp.starshapeclass = py::cast<int>(kwargs.attr("pop")("starshapeclass"));
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if(kwargs.contains("baseelnp"))
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mp.baseelnp = py::cast<int>(kwargs.attr("pop")("baseelnp"));
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if(kwargs.contains("sloppy"))
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mp.sloppy = py::cast<int>(kwargs.attr("pop")("sloppy"));
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if(kwargs.contains("badellimit"))
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mp.badellimit = py::cast<double>(kwargs.attr("pop")("badellimit"));
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if(kwargs.contains("check_impossible"))
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mp.check_impossible = py::cast<bool>(kwargs.attr("pop")("check_impossible"));
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if(kwargs.contains("only3D_domain_nr"))
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mp.only3D_domain_nr = py::cast<int>(kwargs.attr("pop")("only3D_domain_nr"));
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if(kwargs.contains("secondorder"))
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mp.secondorder = py::cast<bool>(kwargs.attr("pop")("secondorder"));
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if(kwargs.contains("elementorder"))
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mp.elementorder = py::cast<int>(kwargs.attr("pop")("elementorder"));
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if(kwargs.contains("quad"))
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{
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cout << "WARNING: Meshing parameter 'quad' is deprecated, use 'quad_dominated' instead!" << endl;
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mp.quad = py::cast<bool>(kwargs.attr("pop")("quad"));
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}
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if(kwargs.contains("quad_dominated"))
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mp.quad = py::cast<bool>(kwargs.attr("pop")("quad_dominated"));
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if(kwargs.contains("try_hexes"))
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mp.try_hexes = py::cast<bool>(kwargs.attr("pop")("try_hexes"));
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if(kwargs.contains("inverttets"))
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mp.inverttets = py::cast<bool>(kwargs.attr("pop")("inverttets"));
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if(kwargs.contains("inverttrigs"))
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mp.inverttrigs = py::cast<bool>(kwargs.attr("pop")("inverttrigs"));
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if(kwargs.contains("autozrefine"))
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mp.autozrefine = py::cast<bool>(kwargs.attr("pop")("autozrefine"));
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if(kwargs.contains("parallel_meshing"))
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mp.parallel_meshing = py::cast<bool>(kwargs.attr("pop")("parallel_meshing"));
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if(kwargs.contains("nthreads"))
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mp.nthreads = py::cast<int>(kwargs.attr("pop")("nthreads"));
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if(kwargs.contains("closeedgefac"))
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mp.closeedgefac = py::cast<optional<double>>(kwargs.attr("pop")("closeedgefac"));
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if(kwargs.contains("boundary_layers"))
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{
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auto layers = py::list(kwargs.attr("pop")("boundary_layers"));
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for(auto layer : layers)
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mp.boundary_layers.Append(py::cast<BoundaryLayerParameters>(layer));
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}
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if(kwargs.size())
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{
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if(throw_if_not_all_parsed)
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throw Exception(string("Not all kwargs given to GenerateMesh could be parsed:") + string(py::str(kwargs)));
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mp.geometrySpecificParameters = CreateFlagsFromKwArgs(kwargs);
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}
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}
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} // namespace netgen
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#endif // NETGEN_MESHING_PYTHON_MESH_HPP
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