From 47dec485e56c278014ef89bef9b173b88eae41dd Mon Sep 17 00:00:00 2001
From: Peter Sadrozinski <psadrozinski@gmail.com>
Date: Thu, 18 Oct 2012 22:46:35 -0400
Subject: [PATCH] Add SGGeod read and write to gzFile

---
 simgear/io/lowlevel.hxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/simgear/io/lowlevel.hxx b/simgear/io/lowlevel.hxx
index bab26ab5..2367d0d4 100644
--- a/simgear/io/lowlevel.hxx
+++ b/simgear/io/lowlevel.hxx
@@ -110,6 +110,17 @@ inline void sgWriteMat4 ( gzFile fd, const SGMatrixf& var ) {
     sgWriteFloat ( fd, 16, (float *)var.data() ) ;
 }
 
+inline void sgReadGeod  ( gzFile fd, SGGeod& var ) {
+    double data[3];
+    sgReadDouble ( fd, 3, data );
+    var = SGGeod::fromDegM( data[0], data[1], data[2] );
+}
+inline void sgWriteGeod ( gzFile fd, const SGGeod& var ) {
+    sgWriteDouble( fd, var.getLongitudeDeg() );
+    sgWriteDouble( fd, var.getLatitudeDeg() );
+    sgWriteDouble( fd, var.getElevationM() );
+}
+
 void sgClearReadError();
 void sgClearWriteError();
 int sgReadError();
-- 
2.39.5