py::init constructors

This commit is contained in:
Joachim Schöberl 2018-03-08 22:19:11 +01:00
parent cf0d3f6682
commit 5de403ffd8

View File

@ -204,39 +204,41 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
;
py::class_<Element>(m, "Element3D")
.def("__init__", [](Element *instance, int index, py::list vertices)
{
if (py::len(vertices) == 4)
{
new (instance) Element(TET);
for (int i = 0; i < 4; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
}
else if (py::len(vertices) == 5)
{
new (instance) Element(PYRAMID);
for (int i = 0; i < 5; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
}
else if (py::len(vertices) == 6)
{
new (instance) Element(PRISM);
for (int i = 0; i < 6; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
}
else if (py::len(vertices) == 8)
{
new (instance) Element(HEX);
for (int i = 0; i < 8; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
}
else
throw NgException ("cannot create element");
},
.def(py::init([](int index, py::list vertices)
{
Element * newel = nullptr;
if (py::len(vertices) == 4)
{
newel = new Element(TET);
for (int i = 0; i < 4; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else if (py::len(vertices) == 5)
{
newel = new Element(PYRAMID);
for (int i = 0; i < 5; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else if (py::len(vertices) == 6)
{
newel = new Element(PRISM);
for (int i = 0; i < 6; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else if (py::len(vertices) == 8)
{
newel = new Element(HEX);
for (int i = 0; i < 8; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else
throw NgException ("cannot create element");
return newel;
}),
py::arg("index")=1,py::arg("vertices"),
"create volume element"
)
@ -261,36 +263,35 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
;
py::class_<Element2d>(m, "Element2D")
.def("__init__",
[](Element2d *instance, int index, py::list vertices)
{
if (py::len(vertices) == 3)
{
new (instance) Element2d(TRIG);
for (int i = 0; i < 3; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
return;
}
if (py::len(vertices) == 4)
{
new (instance) Element2d(QUAD);
for (int i = 0; i < 4; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
return;
}
if (py::len(vertices) == 6)
{
new (instance) Element2d(TRIG6);
for(int i = 0; i<6; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance->SetIndex(index);
return;
}
throw NgException("Inconsistent number of vertices in Element2D");
},
py::arg("index")=1,py::arg("vertices"),
.def(py::init ([](int index, py::list vertices)
{
Element2d * newel = nullptr;
if (py::len(vertices) == 3)
{
newel = new Element2d(TRIG);
for (int i = 0; i < 3; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else if (py::len(vertices) == 4)
{
newel = new Element2d(QUAD);
for (int i = 0; i < 4; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else if (py::len(vertices) == 6)
{
newel = new Element2d(TRIG6);
for(int i = 0; i<6; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel->SetIndex(index);
}
else
throw NgException("Inconsistent number of vertices in Element2D");
return newel;
}),
py::arg("index")=1,py::arg("vertices"),
"create surface element"
)
.def_property("index", &Element2d::GetIndex, &Element2d::SetIndex)
@ -313,21 +314,21 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
;
py::class_<Segment>(m, "Element1D")
.def("__init__",
[](Segment *instance, py::list vertices, py::list surfaces, int index)
{
new (instance) Segment();
for (int i = 0; i < 2; i++)
(*instance)[i] = py::extract<PointIndex>(vertices[i])();
instance -> si = index;
// needed for codim2 in 3d
instance -> edgenr = index;
if (len(surfaces))
{
instance->surfnr1 = py::extract<int>(surfaces[0])();
instance->surfnr2 = py::extract<int>(surfaces[1])();
}
},
.def(py::init([](py::list vertices, py::list surfaces, int index)
{
Segment * newel = new Segment();
for (int i = 0; i < 2; i++)
(*newel)[i] = py::extract<PointIndex>(vertices[i])();
newel -> si = index;
// needed for codim2 in 3d
newel -> edgenr = index;
if (len(surfaces))
{
newel->surfnr1 = py::extract<int>(surfaces[0])();
newel->surfnr2 = py::extract<int>(surfaces[1])();
}
return newel;
}),
py::arg("vertices"),
py::arg("surfaces")=py::list(),
py::arg("index")=1,
@ -370,13 +371,13 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
py::class_<Element0d>(m, "Element0D")
.def("__init__",
[](Element0d *instance, PointIndex vertex, int index)
{
new (instance) Element0d;
instance->pnum = vertex;
instance->index = index;
},
.def(py::init([](PointIndex vertex, int index)
{
Element0d * instance = new Element0d;
instance->pnum = vertex;
instance->index = index;
return instance;
}),
py::arg("vertex"),
py::arg("index")=1,
"create point element"
@ -397,19 +398,19 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
py::class_<FaceDescriptor>(m, "FaceDescriptor")
.def(py::init<const FaceDescriptor&>())
.def("__init__",
[](FaceDescriptor *instance, int surfnr, int domin, int domout, int bc)
{
new (instance) FaceDescriptor();
instance->SetSurfNr(surfnr);
instance->SetDomainIn(domin);
instance->SetDomainOut(domout);
instance->SetBCProperty(bc);
},
py::arg("surfnr")=1,
py::arg("domin")=1,
py::arg("domout")=py::int_(0),
py::arg("bc")=py::int_(0),
.def(py::init([](int surfnr, int domin, int domout, int bc)
{
FaceDescriptor * instance = new FaceDescriptor();
instance->SetSurfNr(surfnr);
instance->SetDomainIn(domin);
instance->SetDomainOut(domout);
instance->SetBCProperty(bc);
return instance;
}),
py::arg("surfnr")=1,
py::arg("domin")=1,
py::arg("domout")=py::int_(0),
py::arg("bc")=py::int_(0),
"create facedescriptor")
.def("__str__", &ToString<FaceDescriptor>)
.def("__repr__", &ToString<FaceDescriptor>)
@ -792,40 +793,40 @@ DLL_HEADER void ExportNetgenMeshing(py::module &m)
.value("MESHSURFACE",MESHCONST_OPTSURFACE)
.value("MESHVOLUME",MESHCONST_OPTVOLUME)
;
typedef MeshingParameters MP;
py::class_<MP> (m, "MeshingParameters")
.def(py::init<>())
.def("__init__",
[](MP *instance, double maxh, bool quad_dominated, int optsteps2d, int optsteps3d,
MESHING_STEP perfstepsend, int only3D_domain, const string & meshsizefilename,
double grading, double curvaturesafety, double segmentsperedge)
{
new (instance) MeshingParameters;
instance->maxh = maxh;
instance->quad = int(quad_dominated);
instance->optsteps2d = optsteps2d;
instance->optsteps3d = optsteps3d;
instance->only3D_domain_nr = only3D_domain;
instance->perfstepsend = perfstepsend;
instance->meshsizefilename = meshsizefilename;
instance->grading = grading;
instance->curvaturesafety = curvaturesafety;
instance->segmentsperedge = segmentsperedge;
},
py::arg("maxh")=1000,
py::arg("quad_dominated")=false,
py::arg("optsteps2d") = 3,
.def(py::init([](double maxh, bool quad_dominated, int optsteps2d, int optsteps3d,
MESHING_STEP perfstepsend, int only3D_domain, const string & meshsizefilename,
double grading, double curvaturesafety, double segmentsperedge)
{
MP * instance = new MeshingParameters;
instance->maxh = maxh;
instance->quad = int(quad_dominated);
instance->optsteps2d = optsteps2d;
instance->optsteps3d = optsteps3d;
instance->only3D_domain_nr = only3D_domain;
instance->perfstepsend = perfstepsend;
instance->meshsizefilename = meshsizefilename;
instance->grading = grading;
instance->curvaturesafety = curvaturesafety;
instance->segmentsperedge = segmentsperedge;
return instance;
}),
py::arg("maxh")=1000,
py::arg("quad_dominated")=false,
py::arg("optsteps2d") = 3,
py::arg("optsteps3d") = 3,
py::arg("perfstepsend") = MESHCONST_OPTVOLUME,
py::arg("only3D_domain") = 0,
py::arg("meshsizefilename") = "",
py::arg("grading")=0.3,
py::arg("curvaturesafety")=2,
py::arg("segmentsperedge")=1,
py::arg("grading")=0.3,
py::arg("curvaturesafety")=2,
py::arg("segmentsperedge")=1,
"create meshing parameters"
)
)
.def("__str__", &ToString<MP>)
.def_property("maxh",
FunctionPointer ([](const MP & mp ) { return mp.maxh; }),