From 6068b62e3975fa9e2844b06ede62f04fabf02e1f Mon Sep 17 00:00:00 2001
From: AndreaRigoni <andrea.rigoni@igi.cnr.it>
Date: Thu, 2 Apr 2026 11:56:25 +0000
Subject: [PATCH] refactor: replace HRP with NVP in Cylinder serialization and
 add stream operators for TRS

---
 .gitignore           |  1 +
 src/Math/Cylinder.h  |  2 +-
 src/Math/Transform.h | 10 ++++++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 05ed939..6a07fa1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ src/Python/uLib/__pycache__
 src/Python/uLib/.nfs*
 test_props.xml
 test_props2.xml
+test_boost.cpp
diff --git a/src/Math/Cylinder.h b/src/Math/Cylinder.h
index 921d52a..b707569 100644
--- a/src/Math/Cylinder.h
+++ b/src/Math/Cylinder.h
@@ -86,7 +86,7 @@ public:
         ar & HRP(Radius);
         ar & HRP(Height);
         ar & boost::serialization::make_hrp_enum("Axis", Axis, {"X", "Y", "Z"});
-        ar & HRP("TRS", boost::serialization::base_object<TRS>(*this));
+        ar & NVP("TRS", boost::serialization::base_object<TRS>(*this));
     }
 
     /** Sets the radius of the cylinder */
diff --git a/src/Math/Transform.h b/src/Math/Transform.h
index becad34..bf5d4b4 100644
--- a/src/Math/Transform.h
+++ b/src/Math/Transform.h
@@ -287,6 +287,16 @@ public:
 
 
 
+inline std::ostream& operator<<(std::ostream& os, const TRS& trs) {
+    os << trs.position << " " << trs.rotation << " " << trs.scaling;
+    return os;
+}
+
+inline std::istream& operator>>(std::istream& is, TRS& trs) {
+    is >> trs.position >> trs.rotation >> trs.scaling;
+    return is;
+}
+
 } // uLib