ported reading clusters (#95)

python/src/cluster_file.hpp

@@ -0,0 +1,34 @@
+#include "aare/ClusterFile.hpp"
+#include "aare/defs.hpp"
+
+
+#include <cstdint>
+#include <filesystem>
+#include <pybind11/iostream.h>
+#include <pybind11/numpy.h>
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+#include <pybind11/stl/filesystem.h>
+#include <string>
+
+namespace py = pybind11;
+using namespace ::aare;
+
+void define_cluster_file_io_bindings(py::module &m) {
+    PYBIND11_NUMPY_DTYPE(Cluster, x, y, data);
+
+    py::class_<ClusterFile>(m, "ClusterFile")
+        .def(py::init<const std::filesystem::path &>())
+        .def("read_clusters",
+             [](ClusterFile &self, size_t n_clusters) {
+                 auto* vec = new std::vector<Cluster>(self.read_clusters(n_clusters));
+                 return return_vector(vec);
+             })
+        .def("read_cluster_with_cut",
+             [](ClusterFile &self, size_t n_clusters, py::array_t<double> noise_map, int nx, int ny) {
+                 auto view = make_view_2d(noise_map);
+                 auto* vec = new std::vector<Cluster>(self.read_cluster_with_cut(n_clusters, view.data(), nx, ny));
+                 return return_vector(vec);
+             });
+
+}