Merge branch 'rightlib' into merge-libs-250514-0050

1 files changed, 58 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py3/src/tri/_tri_wrapper.cpp b/contrib/python/matplotlib/py3/src/tri/_tri_wrapper.cpp
new file mode 100644
index 00000000000..1b0c3d75555
--- /dev/null
+++ b/contrib/python/matplotlib/py3/src/tri/_tri_wrapper.cpp
@@ -0,0 +1,58 @@
+#include "_tri.h"
+
+PYBIND11_MODULE(_tri, m) {
+    py::class_<Triangulation>(m, "Triangulation")
+        .def(py::init<const Triangulation::CoordinateArray&,
+                      const Triangulation::CoordinateArray&,
+                      const Triangulation::TriangleArray&,
+                      const Triangulation::MaskArray&,
+                      const Triangulation::EdgeArray&,
+                      const Triangulation::NeighborArray&,
+                      bool>(),
+            py::arg("x"),
+            py::arg("y"),
+            py::arg("triangles"),
+            py::arg("mask"),
+            py::arg("edges"),
+            py::arg("neighbors"),
+            py::arg("correct_triangle_orientations"),
+            "Create a new C++ Triangulation object.\n"
+            "This should not be called directly, use the python class\n"
+            "matplotlib.tri.Triangulation instead.\n")
+        .def("calculate_plane_coefficients", &Triangulation::calculate_plane_coefficients,
+            "Calculate plane equation coefficients for all unmasked triangles.")
+        .def("get_edges", &Triangulation::get_edges,
+            "Return edges array.")
+        .def("get_neighbors", &Triangulation::get_neighbors,
+            "Return neighbors array.")
+        .def("set_mask", &Triangulation::set_mask,
+            "Set or clear the mask array.");
+
+    py::class_<TriContourGenerator>(m, "TriContourGenerator")
+        .def(py::init<Triangulation&,
+                      const TriContourGenerator::CoordinateArray&>(),
+            py::arg("triangulation"),
+            py::arg("z"),
+            "Create a new C++ TriContourGenerator object.\n"
+            "This should not be called directly, use the functions\n"
+            "matplotlib.axes.tricontour and tricontourf instead.\n")
+        .def("create_contour", &TriContourGenerator::create_contour,
+            "Create and return a non-filled contour.")
+        .def("create_filled_contour", &TriContourGenerator::create_filled_contour,
+            "Create and return a filled contour.");
+
+    py::class_<TrapezoidMapTriFinder>(m, "TrapezoidMapTriFinder")
+        .def(py::init<Triangulation&>(),
+            py::arg("triangulation"),
+            "Create a new C++ TrapezoidMapTriFinder object.\n"
+            "This should not be called directly, use the python class\n"
+            "matplotlib.tri.TrapezoidMapTriFinder instead.\n")
+        .def("find_many", &TrapezoidMapTriFinder::find_many,
+            "Find indices of triangles containing the point coordinates (x, y).")
+        .def("get_tree_stats", &TrapezoidMapTriFinder::get_tree_stats,
+            "Return statistics about the tree used by the trapezoid map.")
+        .def("initialize", &TrapezoidMapTriFinder::initialize,
+            "Initialize this object, creating the trapezoid map from the triangulation.")
+        .def("print_tree", &TrapezoidMapTriFinder::print_tree,
+            "Print the search tree as text to stdout; useful for debug purposes.");
+}