From b019d016da8c645fcc581dd170df821c4fec079c Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Wed, 20 Jan 2016 12:55:12 +0100
Subject: ProjectionObserver: fixed the diff to prev values.

---
 projectionobserver.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/projectionobserver.cpp b/projectionobserver.cpp
index e500755..262332d 100644
--- a/projectionobserver.cpp
+++ b/projectionobserver.cpp
@@ -58,7 +58,7 @@ bool ProjectionObserver::setType(int type)
 void ProjectionObserver::setMap(const arma::mat &Y)
 {
     // update previous map
-    if (m_prevY.n_elem == 0 && m_Y.n_elem > 0) {
+    if (m_Y.n_elem > 0) {
         m_prevY = m_Y;
         m_prevDistY = m_distY;
         m_prevValues = m_values;
-- 
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