From 6b662a9634b671821b24b1768825759be501f6be Mon Sep 17 00:00:00 2001
From: Christopher Lackner <clackner@cerbsim.com>
Date: Sat, 28 Sep 2024 15:15:44 +0200
Subject: [PATCH 1/3] export occ MakePolygon

---
 libsrc/occ/python_occ_shapes.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libsrc/occ/python_occ_shapes.cpp b/libsrc/occ/python_occ_shapes.cpp
index 62c8f387..02a97d9a 100644
--- a/libsrc/occ/python_occ_shapes.cpp
+++ b/libsrc/occ/python_occ_shapes.cpp
@@ -22,6 +22,7 @@
 #include <BRepAlgo_NormalProjection.hxx>
 #include <BRepBuilderAPI_MakeEdge.hxx>
 #include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepBuilderAPI_MakePolygon.hxx>
 #include <BRepBuilderAPI_MakeVertex.hxx>
 #include <BRepBuilderAPI_MakeWire.hxx>
 #include <BRepBuilderAPI_Transform.hxx>
@@ -1671,8 +1672,14 @@ DLL_HEADER void ExportNgOCCShapes(py::module &m)
   
   py::implicitly_convertible<TopoDS_Shape, TopoDS_Face>();
   py::implicitly_convertible<TopoDS_Edge, TopoDS_Wire>();
-  
 
+  m.def("MakePolygon", [](std::vector<TopoDS_Vertex> verts)
+  {
+    BRepBuilderAPI_MakePolygon builder;
+    for(auto& v : verts)
+      builder.Add(v);
+    return builder.Wire();
+  });
 
   class ListOfShapesIterator 
   {

From 10986ffbab4bc6cabc3157cbe7a5a7c301bc33d9 Mon Sep 17 00:00:00 2001
From: Christopher Lackner <clackner@cerbsim.com>
Date: Sat, 28 Sep 2024 16:39:19 +0200
Subject: [PATCH 2/3] convert gp_Dir to gp_Vec

---
 libsrc/occ/python_occ_basic.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libsrc/occ/python_occ_basic.cpp b/libsrc/occ/python_occ_basic.cpp
index 30601b5d..52fc5b80 100644
--- a/libsrc/occ/python_occ_basic.cpp
+++ b/libsrc/occ/python_occ_basic.cpp
@@ -73,6 +73,7 @@ DLL_HEADER void ExportNgOCCBasic(py::module &m)
     .def(py::init([] (double x, double y, double z) {
           return gp_Vec(x, y, z);
         }), py::arg("x"), py::arg("y"), py::arg("z"))
+    .def(py::init([](gp_Dir d) { return gp_Vec(d); }))
     .def_property("x", [](gp_Vec&p) { return p.X(); }, [](gp_Vec&p,double x) { p.SetX(x); })
     .def_property("y", [](gp_Vec&p) { return p.Y(); }, [](gp_Vec&p,double y) { p.SetY(y); })
     .def_property("z", [](gp_Vec&p) { return p.Z(); }, [](gp_Vec&p,double z) { p.SetZ(z); })
@@ -368,7 +369,8 @@ DLL_HEADER void ExportNgOCCBasic(py::module &m)
   py::implicitly_convertible<py::tuple, gp_Pnt>();
   py::implicitly_convertible<py::tuple, gp_Vec>();
   py::implicitly_convertible<py::tuple, gp_Dir>();
-  py::implicitly_convertible<gp_Vec, gp_Dir>();  
+  py::implicitly_convertible<gp_Vec, gp_Dir>();
+  py::implicitly_convertible<gp_Dir, gp_Vec>();
   py::implicitly_convertible<py::tuple, gp_Pnt2d>();  
   py::implicitly_convertible<py::tuple, gp_Vec2d>();  
   py::implicitly_convertible<py::tuple, gp_Dir2d>();

From c4dbe60f789cff707cdc91cd451a57a5809edb74 Mon Sep 17 00:00:00 2001
From: Joachim Schoeberl <joachim.schoeberl@tuwien.ac.at>
Date: Sat, 28 Sep 2024 20:29:12 +0200
Subject: [PATCH 3/3] create edge from two vertices

---
 libsrc/occ/python_occ_shapes.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libsrc/occ/python_occ_shapes.cpp b/libsrc/occ/python_occ_shapes.cpp
index 02a97d9a..1c4a00ec 100644
--- a/libsrc/occ/python_occ_shapes.cpp
+++ b/libsrc/occ/python_occ_shapes.cpp
@@ -1407,6 +1407,9 @@ DLL_HEADER void ExportNgOCCShapes(py::module &m)
           BRepLib::BuildCurves3d(edge);
           return edge;
         }))
+    .def(py::init([] (const TopoDS_Vertex & v1, const TopoDS_Vertex & v2) {
+      return BRepBuilderAPI_MakeEdge(v1, v2).Edge();
+    }))
     .def("Value", [](const TopoDS_Edge & e, double s) {
         double s0, s1;
         auto curve = BRep_Tool::Curve(e, s0, s1);