From ec19643840a2ea77496b9fa2f23c50493fa1b8d2 Mon Sep 17 00:00:00 2001
From: cbeall3 <cbeall3@gatech.edu>
Date: Tue, 11 Feb 2014 20:03:01 -0500
Subject: [PATCH] default constructor to allow serialization

---
 gtsam/slam/PoseTranslationPrior.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtsam/slam/PoseTranslationPrior.h b/gtsam/slam/PoseTranslationPrior.h
index ada85667f..2d9b3fdd4 100644
--- a/gtsam/slam/PoseTranslationPrior.h
+++ b/gtsam/slam/PoseTranslationPrior.h
@@ -36,6 +36,9 @@ protected:
 
 public:
 
+  /** default constructor - only use for serialization */
+  PoseTranslationPrior() {}
+
   /** standard constructor */
   PoseTranslationPrior(Key key, const Translation& measured, const noiseModel::Base::shared_ptr& model)
   : Base(model, key), measured_(measured) {