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add some functions to access WorkPlane data and the possibility to create splines from any starting point

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This commit is contained in:
Matthias Rambausek 2021-12-27 16:10:37 +01:00
parent 6656181e2b
commit 88bb6ec6af
1 changed files with 37 additions and 9 deletions
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46
libsrc/occ/python_occ_shapes.cpp
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@ -362,6 +362,20 @@ public:
return shared_from_this();
}
auto StartPnt() const {
return startpnt;
}
auto CurrentLocation() const
{
return localpos.Location();
}
auto CurrentDirection() const
{
return gp_Vec2d(localpos.Direction());
}
auto MoveTo (double h, double v)
{
startpnt = gp_Pnt2d(h,v);
@ -443,21 +457,32 @@ public:
return shared_from_this();
}
auto Spline(const std::vector<gp_Pnt2d> &points, bool periodic, double tol, const std::map<int, gp_Vec2d> &tangents)
auto Spline(const std::vector<gp_Pnt2d> &points, bool periodic, double tol, const std::map<int, gp_Vec2d> &tangents,
bool start_from_localpos)
{
gp_Pnt2d P1 = localpos.Location();
gp_Pnt2d P1 = start_from_localpos ? localpos.Location() : points.front();
gp_Pnt P13d = surf->Value(P1.X(), P1.Y());
gp_Pnt2d PLast = points.back();
gp_Pnt PLast3d = surf->Value(PLast.X(), PLast.Y());
if (points.front().Distance(P1) <= tol)
throw Exception("First item of given list of points is too close to current position (distance <= tol).");
Handle(TColgp_HArray1OfPnt2d) allpoints;
if (start_from_localpos)
{
if (points.front().Distance(P1) <= tol)
throw Exception("First item of given list of points is too close to current position (distance <= tol).");
allpoints = new TColgp_HArray1OfPnt2d(1, points.size() + 1);
allpoints->SetValue(1, P1);
for (int i = 0; i < points.size(); i++)
allpoints->SetValue(i + 2, points[i]);
}
else
{
allpoints = new TColgp_HArray1OfPnt2d(1, points.size());
for (int i = 0; i < points.size(); i++)
allpoints->SetValue(i + 1, points[i]);
}
Handle(TColgp_HArray1OfPnt2d) allpoints = new TColgp_HArray1OfPnt2d(1, points.size() + 1);
allpoints->SetValue(1, P1);
for (int i = 0; i < points.size(); i++)
allpoints->SetValue(i + 2, points[i]);
Geom2dAPI_Interpolate builder(allpoints, periodic, tol);
if (tangents.size() > 0)
@ -2440,6 +2465,9 @@ degen_tol : double
py::class_<WorkPlane, shared_ptr<WorkPlane>> (m, "WorkPlane")
.def(py::init<gp_Ax3, gp_Ax2d>(), py::arg("axes")=gp_Ax3(), py::arg("pos")=gp_Ax2d())
.def_property_readonly("CurrentLocation", &WorkPlane::CurrentLocation)
.def_property_readonly("CurrentDirection", &WorkPlane::CurrentDirection)
.def_property_readonly("StartPnt", &WorkPlane::StartPnt)
.def("MoveTo", &WorkPlane::MoveTo, py::arg("h"), py::arg("v"), "moveto (h,v), and start new wire")
.def("Move", &WorkPlane::Move, py::arg("l"), "move 'l' from current position and direction, start new wire")
.def("Direction", &WorkPlane::Direction, py::arg("dirh"), py::arg("dirv"), "reset direction to (dirh, dirv)")
@ -2454,7 +2482,7 @@ degen_tol : double
.def("Line", [](WorkPlane&wp,double h,double v, optional<string> name) { return wp.Line(h,v,name); },
py::arg("dx"), py::arg("dy"), py::arg("name")=nullopt)
.def("Spline", &WorkPlane::Spline, py::arg("points"), py::arg("periodic")=false, py::arg("tol")=1e-8,
py::arg("tangents")=std::map<int, gp_Vec2d>{},
py::arg("tangents")=std::map<int, gp_Vec2d>{}, py::arg("start_from_localpos")=true,
"draw spline starting from current position (implicitly added to given list of points), tangents can be specified for each point (0 refers to current position)")
.def("Rectangle", &WorkPlane::Rectangle, py::arg("l"), py::arg("w"), "draw rectangle, with current position as corner, use current direction")
.def("RectangleC", &WorkPlane::RectangleCentered, py::arg("l"), py::arg("w"), "draw rectangle, with current position as center, use current direction")