使用定姿四元数计算图像位置

2024-06-07 10:51:20 +08:00
parent f7c4237c77
commit cf5012f2a8
8 changed files with 192 additions and 82 deletions
--- a/pkg/calculator/const.go
+++ b/pkg/calculator/const.go
@@ -5,6 +5,7 @@ const (
 	EarthRadius = 6378137.0         // 地球半径，单位米
 	a           = 6378137.0         // semi-major axis in meters
 	f           = 1 / 298.257223563 // flattening
+	b           = a * (1 - f)       // 短半轴
 	e2          = 2*f - f*f         // square of eccentricity
 	J2000Epoch  = 2451545.0         // Julian date of J2000 epoch
 )