MIST getNorthCorrection
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mist.getNorthCorrection
Added with: Mist 1.0 
Description 
The map x direction differs from true north except on one line of longitude (33 degrees). This function returns the angle (in radians) between the map x axis and true north at point. This "correction" should be added to any bearing computed from map Vec3/Vec2 coordinates to get the actual bearing (units are radians). 
Syntax 
number mist.getNorthCorrection(Vec3 point ) 
Valid Input Values: 
Vec3 Table 
Return value: 
number 
Return example: 
.52 
Usage Examples: 

Notes: 
Related Functions 
getHeading, getNorthCorrection, getAttitude, getPitch, getRoll, getYaw, getAoA, getClimbAngle, getDir 