Corrected Radians for std,zh

//1
const float RAD_DIR_UP      = 4.7214;

//2
4.3197

//3
const float RAD_DIR_UPLEFT  = 3.927;

//4
3.5343

//5
const float RAD_DIR_LEFT    = 3.1416; //3.1519; //Pi

//6
2.7489

//7
const float RAD_DIR_LEFTDOWN    = 2.3562; //Pi

//8
1.9635

//9
const float RAD_DIR_DOWN    = 1.5708;

//10 1.1781

//11
const float RAD_DIR_RIGHTDOWN   = 0.7854;

//12 .3927

//13
const float RAD_DIR_RIGHT   = 0;

//14
5.1051

//15
const float RAD_DIR_RIGHTUP     = 5.4978;