X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FNavaids%2Froute.hxx;h=cd2114f6d55ffe8590db50aa30d5cd50d097ce0a;hb=37591d0ac9c316f107a3c38043edd3a7f89b4892;hp=b0375d15c980c68d00b76ce255bf5ee4516d6dd4;hpb=7cbb3a10edf9432292dce65649c1462d61503508;p=flightgear.git

diff --git a/src/Navaids/route.hxx b/src/Navaids/route.hxx
index b0375d15c..cd2114f6d 100644
--- a/src/Navaids/route.hxx
+++ b/src/Navaids/route.hxx
@@ -156,6 +156,12 @@ public:
   bool matches(const SGGeod& aPos) const;
   
   virtual std::string type() const = 0;
+  
+  /**
+   * Magentic variation at/in the vicinity of the waypoint.
+   * For some waypoint types this will always return 0.
+   */
+  virtual double magvarDeg() const;
 protected:
   friend class NavdataVisitor;
   
@@ -187,7 +193,7 @@ private:
 
 	Route* _owner;
 	unsigned short _flags;
-	
+  mutable double _magVarDeg; 
 };
 
 typedef std::vector<WayptRef> WayptVec;