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Provide polar earth radius as a simgear constant.

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ThorstenB
2017-11-16 21:38:50 +01:00
parent 0c7cabe46f
commit e485fac8ed
1 changed files with 3 additions and 1 deletions
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4
simgear/constants.h
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@@ -95,7 +95,7 @@ const float SG_RADIANS_TO_DEGREES = 180.0f / SG_PI;
/** Value of earth radius from LaRCsim (ft) */
#define SG_EQUATORIAL_RADIUS_FT 20925650.
/** Value of earth radius from LaRCsim (meter) */
/** Value of equatorial earth radius from LaRCsim (meter) */
#define SG_EQUATORIAL_RADIUS_M 6378138.12
/** Radius squared (ft) */
@@ -104,6 +104,8 @@ const float SG_RADIANS_TO_DEGREES = 180.0f / SG_PI;
/** Radius squared (meter) */
#define SG_EQ_RAD_SQUARE_M 40680645877797.1344
/** Value of WGS84 polar earth radius (meter) */
#define SG_POLAR_RADIUS_M 6356752.3142451794975639668
// Physical Constants, SI