HeadingType
Heading in degrees starting at true North and continuing clockwise around the compass.
North is 0 degrees, east is 90 degrees, south is 180 degrees, west is 270 degrees. This type can be used whenever directions need to be represented.
HeadingType is a xs:double type with the following restrictions:
- Must satisfy: 0 ≤ value < 360
- Unit: decimal degrees
- Measured: clockwise starting at 0 degrees at true North
- Precision: 4 positions after decimal point, additional positions are ignored
