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features for 2d meshing

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This commit is contained in:
Joachim Schöberl 2015-11-01 12:07:26 +01:00
parent 5bcf28d196
commit 7165c90fb1
2 changed files with 28 additions and 3 deletions
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7
libsrc/geom2d/python_geom2d.cpp
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@ -47,7 +47,7 @@ DLL_HEADER void ExportGeom2d()
return self.geompoints.Size()-1; return self.geompoints.Size()-1;
}), }),
(bp::arg("self"), bp::arg("x"), bp::arg("y"), bp::arg("maxh") = 1e99)) (bp::arg("self"), bp::arg("x"), bp::arg("y"), bp::arg("maxh") = 1e99))
.def("Append", FunctionPointer([](SplineGeometry2d &self, bp::list segment, int leftdomain, int rightdomain, bp::object bc) .def("Append", FunctionPointer([](SplineGeometry2d &self, bp::list segment, int leftdomain, int rightdomain, bp::object bc, double maxh)
{ {
bp::extract<std::string> segtype(segment[0]); bp::extract<std::string> segtype(segment[0]);
@ -76,7 +76,7 @@ DLL_HEADER void ExportGeom2d()
} }
seg->leftdom = leftdomain; seg->leftdom = leftdomain;
seg->rightdom = rightdomain; seg->rightdom = rightdomain;
seg->hmax = 1e99; seg->hmax = maxh;
seg->reffak = 1; seg->reffak = 1;
seg->copyfrom = -1; seg->copyfrom = -1;
if (bp::extract<int>(bc).check()) if (bp::extract<int>(bc).check())
@ -93,7 +93,8 @@ DLL_HEADER void ExportGeom2d()
seg->bc = self.GetNSplines()+1; seg->bc = self.GetNSplines()+1;
self.AppendSegment(seg); self.AppendSegment(seg);
}), (bp::arg("self"), bp::arg("point_indices"), bp::arg("leftdomain") = 1, bp::arg("rightdomain") = 0, }), (bp::arg("self"), bp::arg("point_indices"), bp::arg("leftdomain") = 1, bp::arg("rightdomain") = 0,
bp::arg("bc")=bp::object())) bp::arg("bc")=bp::object(), bp::arg("maxh")=1e99
))
.def("AppendSegment", FunctionPointer([](SplineGeometry2d &self, bp::list point_indices, int leftdomain, int rightdomain) .def("AppendSegment", FunctionPointer([](SplineGeometry2d &self, bp::list point_indices, int leftdomain, int rightdomain)

24
python/geom2d.py
View File

@ -20,6 +20,30 @@ pnums = [unit_square.AppendPoint(*p) for p in pnts]
for l1,l2,bc in lines: for l1,l2,bc in lines:
unit_square.Append( ["line", pnums[l1], pnums[l2]], bc=bc) unit_square.Append( ["line", pnums[l1], pnums[l2]], bc=bc)
def MakeRectangle (geo, p1, p2, **args):
p1x, p1y = p1
p2x, p2y = p2
p1x,p2x = min(p1x,p2x), max(p1x, p2x)
p1y,p2y = min(p1y,p2y), max(p1y, p2y)
pts = [geo.AppendPoint(*p) for p in [(p1x,p1y), (p2x, p1y), (p2x, p2y), (p1x, p2y)]]
for p1,p2 in [(0,1), (1, 2), (2, 3), (3, 0)]:
geo.Append( ["line", pts[p1], pts[p2]], **args)
def MakeCircle (geo, c, r, **args):
cx,cy = c
pts = [geo.AppendPoint(*p) for p in [(cx,cy-r), (cx+r,cy-r), (cx+r,cy), (cx+r,cy+r), \
(cx,cy+r), (cx-r,cy+r), (cx-r,cy), (cx-r,cy-r)]]
for p1,p2,p3 in [(0,1,2), (2,3,4), (4, 5, 6), (6, 7, 0)]:
geo.Append( ["spline3", pts[p1], pts[p2], pts[p3]], **args)
SplineGeometry.AddCircle = lambda geo, c, r, **args : MakeCircle(geo, c, r, **args)
SplineGeometry.AddRectangle = lambda geo, p1, p2, **args : MakeRectangle(geo, p1, p2, **args)
SplineGeometry.AddSegment = SplineGeometry.Append
SplineGeometry.AddPoint = SplineGeometry.AppendPoint
__all__ = ['SplineGeometry', 'unit_square'] __all__ = ['SplineGeometry', 'unit_square']