From df39a28c86c44ec676a24f7f42f79839ae597b1a Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Tue, 9 Feb 2016 22:56:12 -0200
Subject: ProjectionObserver: rewinding on values only if selections are empty.

---
 projectionobserver.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/projectionobserver.cpp b/projectionobserver.cpp
index bf73ded..bcdda57 100644
--- a/projectionobserver.cpp
+++ b/projectionobserver.cpp
@@ -49,11 +49,9 @@ void ProjectionObserver::computeAlphas()
 void ProjectionObserver::setMap(const arma::mat &Y)
 {
     // update previous map
-    if (m_Y.n_elem > 0) {
-        m_prevY = m_Y;
-        m_prevDistY = m_distY;
-        m_prevValues = m_values;
-    }
+    m_prevY = m_Y;
+    m_prevDistY = m_distY;
+    m_prevValues = m_values;
 
     m_Y = Y;
     m_distY = mp::dist(Y);
@@ -169,7 +167,9 @@ bool ProjectionObserver::emitValuesChanged() const
 
 void ProjectionObserver::setRewind(double t)
 {
-    if (m_prevValues.n_elem != m_values.n_elem) {
+    if (m_prevValues.n_elem != m_values.n_elem
+        || !m_cpSelectionEmpty
+        || !m_rpSelectionEmpty) {
         return;
     }
 
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