feat: add point cloud duplication for python binding

Author: DamienGilliard

src/diffCheck/geometry/DFPointCloud.cc

@@ -231,6 +231,11 @@ namespace diffCheck::geometry
             this->Normals.push_back(normal);
     }
 
+    DFPointCloud DFPointCloud::Duplicate() const
+    {
+        return DFPointCloud(this->Points, this->Colors, this->Normals);
+    }
+
     void DFPointCloud::UniformDownsample(int everyKPoints)
     {
         auto O3DPointCloud = this->Cvt2O3DPointCloud();

src/diffCheck/geometry/DFPointCloud.hh

@@ -97,6 +97,13 @@ namespace diffCheck::geometry
          */
         void Crop(const Eigen::Vector3d &minBound, const Eigen::Vector3d &maxBound);
 
+        /**
+         * @brief Get the duplicate of the point cloud. This is mainly used in the python bindings
+         * 
+         * @return DFPointCloud a copy of the point cloud
+         */
+        diffCheck::geometry::DFPointCloud Duplicate() const;
+
     public:  ///< Downsamplers
         /**
          * @brief Downsample the point cloud with voxel grid

src/diffCheckBindings.cc

@@ -57,9 +57,12 @@ PYBIND11_MODULE(diffcheck_bindings, m) {
 
         .def("remove_statistical_outliers", &diffCheck::geometry::DFPointCloud::RemoveStatisticalOutliers, 
             py::arg("nb_neighbors"), py::arg("std_ratio"))
+
         .def("crop", &diffCheck::geometry::DFPointCloud::Crop,
             py::arg("min_bound"), py::arg("max_bound"))
 
+        .def("duplicate", &diffCheck::geometry::DFPointCloud::Duplicate)
+
         .def("load_from_PLY", &diffCheck::geometry::DFPointCloud::LoadFromPLY)
         .def("save_to_PLY", &diffCheck::geometry::DFPointCloud::SaveToPLY)