-----------------------------------------------------------------------------
BASE HEADING: 0
-----------------------------------------------------------------------------
180    225    270    315      0     45     90    135    180
SSS -- S/W -- WWW -- N/W -- NNN -- N/E -- EEE -- S/E -- SSS
-.5           0.0           0.5           1.0           -.5

// ANGLE > Angle % 360, to normalize to 0...359
// A/180 > prior divided by 180 (compass FOV?)
// ADDED > Add 180 / 360
// OFFST > Add base angle's ANGLE value
// NORM. > If it exceeds 1, subtract 2 // and hypothetically, if it is below -1, add 2
angle | a/180 | added | norm. | 
    0 |  0.00 |  0.50 |  0.50 | 
   45 |  0.25 |  0.75 |  0.75 | 
   90 |  0.50 |  1.00 |  1.00 | 
  180 |  1.00 |  1.50 | -0.50 | 
  270 |  1.50 |  2.00 |  0.00 |

-----------------------------------------------------------------------------
BASE HEADING: 90
-----------------------------------------------------------------------------
270    315      0     45     90    135    180    225    270
WWW -- N/W -- NNN -- N/E -- EEE -- S/E -- SSS -- S/W -- WWW
-.5           0.0           0.5           1.0           -.5

// ANGLE > Angle % 360, to normalize to 0...359
// A/180 > prior divided by 180 (compass FOV?)
// ADDED > Add 180 / 360
// OFFST > Sub base angle's ANGLE value
// NORM. > If it exceeds 1, subtract 2 // and hypothetically, if it is below -1, add 2
angle | a/180 | added | offst | norm. | 
    0 |  0.00 |  0.50 |  0.00 |  0.50 | 
   45 |  0.25 |  0.75 |  0.25 |  0.75 | 
   90 |  0.50 |  1.00 |  0.50 |  1.00 | 
  180 |  1.00 |  1.50 |  1.00 | -0.50 | 
  270 |  1.50 |  2.00 |  1.50 |  0.00 | 

-----------------------------------------------------------------------------
BASE HEADING: 180
-----------------------------------------------------------------------------
  0     45     90    135    180    225    270    315    360
NNN -- N/E -- EEE -- S/E -- SSS -- S/W -- WWW -- N/W -- NNN
-.5           0.0           0.5           1.0           -.5

// ANGLE > Angle % 360, to normalize to 0...359
// A/180 > prior divided by 180 (compass FOV?)
// ADDED > Add 180 / 360
// OFFST > Sub base angle's ANGLE value
// NORM. > If it exceeds 1, subtract 2 // and hypothetically, if it is below -1, add 2
angle | a/180 | added | offst | norm. | 
    0 |  0.00 |  0.50 | -0.50 |  0.50 | 
   45 |  0.25 |  0.75 | -0.75 |  0.75 | 
   90 |  0.50 |  1.00 |  0.00 |  1.00 | 
  180 |  1.00 |  1.50 |  0.50 | -0.50 | 
  270 |  1.50 |  2.00 |  1.00 |  0.00 | 

