From 321cb8e563c016698416725811b9e0de1e55b54f Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Thu, 25 Jan 2018 23:22:33 +0100
Subject: [PATCH] Ref T236, transfer elevation to newer situations for future
 reference. The elevation will be transferred within a given radius

---
 src/blackmisc/simulation/interpolator.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/blackmisc/simulation/interpolator.cpp b/src/blackmisc/simulation/interpolator.cpp
index 2e711f8fa..2e01ad9f4 100644
--- a/src/blackmisc/simulation/interpolator.cpp
+++ b/src/blackmisc/simulation/interpolator.cpp
@@ -148,6 +148,18 @@ namespace BlackMisc
                 m_logger->logInterpolation(log);
             }
 
+            // we transfer ground elevation for future usage
+            if (currentSituation.hasGroundElevation())
+            {
+                CElevationPlane ep(currentSituation);
+                ep.setSinglePointRadius();
+
+                // transfer to newer situations
+                const int transfered = m_aircraftSituations.setGroundElevationChecked(ep, currentSituation.getMSecsSinceEpoch());
+                Q_UNUSED(transfered); // for debugging
+            }
+
+            // bye
             return currentSituation;
         }