From 2870c69dc6544c7e970dc05b8081fab08317fb23 Mon Sep 17 00:00:00 2001
From: Nicola Loi <nicolaloi@outlook.com>
Date: Sun, 3 Nov 2024 11:30:09 +0100
Subject: [PATCH] better comments

---
 cpp/open3d/pipelines/registration/Feature.cpp | 2 +-
 cpp/pybind/pipelines/registration/feature.cpp | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/cpp/open3d/pipelines/registration/Feature.cpp b/cpp/open3d/pipelines/registration/Feature.cpp
index e45f5672d9d..c43adbd585f 100644
--- a/cpp/open3d/pipelines/registration/Feature.cpp
+++ b/cpp/open3d/pipelines/registration/Feature.cpp
@@ -19,7 +19,7 @@ namespace pipelines {
 namespace registration {
 
 std::shared_ptr<Feature> Feature::SelectByIndex(
-        const std::vector<size_t> &indices, bool invert) const {
+        const std::vector<size_t> &indices, bool invert /* = false */) const {
     auto output = std::make_shared<Feature>();
     output->Resize(data_.rows(), indices.size());
 
diff --git a/cpp/pybind/pipelines/registration/feature.cpp b/cpp/pybind/pipelines/registration/feature.cpp
index fd40b5b5f94..4baef5b560c 100644
--- a/cpp/pybind/pipelines/registration/feature.cpp
+++ b/cpp/pybind/pipelines/registration/feature.cpp
@@ -33,8 +33,7 @@ void pybind_feature_definitions(py::module &m_registration) {
             .def("num", &Feature::Num, "Returns number of points.")
             .def("select_by_index", &Feature::SelectByIndex,
                  "Function to select features from input Feature group into "
-                 "output "
-                 "Feature group.",
+                 "output Feature group.",
                  "indices"_a, "invert"_a = false)
             .def_readwrite("data", &Feature::data_,
                            "``dim x n`` float64 numpy array: Data buffer "