X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fheading_indicator_fg.cxx;h=dfa099c51e6c4a9d1cb6a4224cf2244bd5364d17;hb=d051ba5cd20bed24bce73f540b1f4d37273d7b12;hp=091d097f68a4add6dfb2b7239531d463fc540dac;hpb=9bb896dd20341fe1cd003dec9733bb5bd19807df;p=flightgear.git

diff --git a/src/Instrumentation/heading_indicator_fg.cxx b/src/Instrumentation/heading_indicator_fg.cxx
index 091d097f6..dfa099c51 100644
--- a/src/Instrumentation/heading_indicator_fg.cxx
+++ b/src/Instrumentation/heading_indicator_fg.cxx
@@ -5,6 +5,10 @@
 //
 // This file is in the Public Domain and comes with no warranty.
 
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
 #include <simgear/compiler.h>
 #include <iostream>
 #include <string>
@@ -14,6 +18,7 @@
 #include <Main/fg_props.hxx>
 #include <Main/util.hxx>			    
 
+using std::string;
 
 HeadingIndicatorFG::HeadingIndicatorFG ( SGPropertyNode *node )
     :
@@ -117,7 +122,7 @@ HeadingIndicatorFG::update (double dt)
 
                                 // Next, calculate the indicated heading,
                                 // introducing errors.
-    double factor = 0.1 / (spin * spin * spin * spin * spin * spin);
+    double factor = 100 * (spin * spin * spin * spin * spin * spin);
     double heading = _heading_in_node->getDoubleValue();
 
                                 // Now, we have to get the current