# Transformation ITRF2020 --> ETRF89/DREF91 Realisierung 2025

import sympy as sp

# Helmetert Paramteter zur Referenzepoche t0
to = 2015.0
T1 = 41.1393
T2 = 51.9830
T3 = -101.1455
D = 7.8918
R1 = 0.8878
R2 = 12.7748
R3 = -22.2616
dotT1 = 0
dotT2 = 0
dotT3 = 0
dotD = 0
dotR1 = 0.086
dotR2 = 0.519
dotR3 = -0.753

# Testdatensatz der AdV
tc = 2021.48

BRMG = sp.Matrix([4245557.0412, 568958.1394, 4710200.0645])
RANT = sp.Matrix([3645376.2264, 531202.1700, 5189297.0638])
TIT2 = sp.Matrix([3993787.0533, 450204.1794, 4936131.8526])
LDB2 = sp.Matrix([3798344.6978, 955553.3244, 5017221.8937])
FFMJ = sp.Matrix([4053455.6399, 617729.9375, 4869395.8850])