#define _FG_RAY_HXX
+#include <stdio.h> // FILE
+
#include <simgear/compiler.h>
#include STL_STRING
#include "protocol.hxx"
-FG_USING_STD(string);
+SG_USING_STD(string);
class FGRAY : public FGProtocol {
double chair_rising;
double chair_height;
double chair_vertical[2];
+ FILE *chair_FILE;
public: