From 366e10d6ec4a44590ded088a8d6b741769769c43 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 25 Oct 2014 11:10:44 +0200
Subject: [PATCH] Added comment

---
 xs/src/libslic3r/Model.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xs/src/libslic3r/Model.hpp b/xs/src/libslic3r/Model.hpp
index 5fabf29272..c5123e5fc1 100644
--- a/xs/src/libslic3r/Model.hpp
+++ b/xs/src/libslic3r/Model.hpp
@@ -95,6 +95,11 @@ class ModelObject
     ModelVolumePtrs volumes;
     DynamicPrintConfig config;
     t_layer_height_ranges layer_height_ranges;
+    
+    /* This vector accumulates the total translation applied to the object by the
+        center_around_origin() method. Callers might want to apply the same translation
+        to new volumes before adding them to this object in order to preset alignment
+        when user expects that. */
     Pointf origin_translation;
     
     // these should be private but we need to expose them via XS until all methods are ported