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Added ITRF2020 transformation parameters #139

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May 10, 2022
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Added ITRF2020 transformation parameters #139

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137 changes: 137 additions & 0 deletions geodepy/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,143 @@ class parameters.
gda94_to_agd66_vicnsw = -agd66_to_gda94_vicnsw
gda94_to_agd66_nt = -agd66_to_gda94_nt

# ITRF2020 parameters
# Note: These parameter definitions use the units, rotation and delta-rotation
# sign convention used by the IERS. Units are converted and rotations flipped in
# the transformation object to allow compatibility with GeodePy functions.
# Ref: https://itrf.ign.fr/docs/solutions/itrf2020/Transfo-ITRF2020_TRFs.txt

itrf2020_to_itrf2014 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF2014', ref_epoch=date(2015, 1, 1),
tx=-1.4, ty=-0.9, tz=1.4,
sc=-0.42,
rx=0.0, ry=0.0, rz=0.0,
d_tx=0.0, d_ty=-0.1, d_tz=0.2,
d_sc=0.0,
d_rx=0.0, d_ry=0.0, d_rz=0.0)

itrf2020_to_itrf2008 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF2008', ref_epoch=date(2015, 1, 1),
tx=0.2, ty=1.0, tz=3.3,
sc=-0.29,
rx=0.0, ry=0.0, rz=0.0,
d_tx=0.0, d_ty=-0.1, d_tz=0.1,
d_sc=0.03,
d_rx=0.0, d_ry=0.0, d_rz=0.0)

itrf2020_to_itrf2005 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF2005', ref_epoch=date(2015, 1, 1),
tx=2.7, ty=0.1, tz=-1.4,
sc=0.65,
rx=0.0, ry=0.0, rz=0.0,
d_tx=0.3, d_ty=-0.1, d_tz=0.1,
d_sc=0.03,
d_rx=0.0, d_ry=0.0, d_rz=0.0)

itrf2020_to_itrf2000 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF2000', ref_epoch=date(2015, 1, 1),
tx=-0.2, ty=0.8, tz=-34.2,
sc=2.25,
rx=0.0, ry=0.0, rz=0.0,
d_tx=0.1, d_ty=0.0, d_tz=-1.7,
d_sc=0.11,
d_rx=0.0, d_ry=0.0, d_rz=0.0)

itrf2020_to_itrf97 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF97', ref_epoch=date(2015, 1, 1),
tx=6.5, ty=-3.9, tz=-77.9,
sc=3.98,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf96 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF96', ref_epoch=date(2015, 1, 1),
tx=6.5, ty=-3.9, tz=-77.9,
sc=3.98,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf94 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF94', ref_epoch=date(2015, 1, 1),
tx=6.5, ty=-3.9, tz=-77.9,
sc=3.98,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf93 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF93', ref_epoch=date(2015, 1, 1),
tx=-65.8, ty=1.9, tz=-71.3,
sc=4.47,
rx=-3.36, ry=-4.33, rz=0.75,
d_tx=-2.8, d_ty=-0.2, d_tz=-2.3,
d_sc=0.12,
d_rx=-0.11, d_ry=-0.19, d_rz=0.07)

itrf2020_to_itrf92 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF92', ref_epoch=date(2015, 1, 1),
tx=14.5, ty=-1.9, tz=-85.9,
sc=3.27,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf91 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF91', ref_epoch=date(2015, 1, 1),
tx=26.5, ty=12.1, tz=-91.9,
sc=4.67,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf90 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF90', ref_epoch=date(2015, 1, 1),
tx=24.5, ty=8.1, tz=-107.9,
sc=4.97,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf89 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF89', ref_epoch=date(2015, 1, 1),
tx=29.5, ty=32.1, tz=-145.9,
sc=8.37,
rx=0.0, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2020_to_itrf88 = iers2trans(
itrf_from='ITRF2020', itrf_to='ITRF88', ref_epoch=date(2015, 1, 1),
tx=24.5, ty=-3.9, tz=-169.9,
sc=11.47,
rx=0.1, ry=0.0, rz=0.36,
d_tx=0.1, d_ty=-0.6, d_tz=-3.1,
d_sc=0.12,
d_rx=0.0, d_ry=0.0, d_rz=0.02)

itrf2014_to_itrf2020 = -itrf2020_to_itrf2014
itrf2008_to_itrf2020 = -itrf2020_to_itrf2008
itrf2005_to_itrf2020 = -itrf2020_to_itrf2005
itrf2000_to_itrf2020 = -itrf2020_to_itrf2000
itrf97_to_itrf2020 = -itrf2020_to_itrf97
itrf96_to_itrf2020 = -itrf2020_to_itrf96
itrf94_to_itrf2020 = -itrf2020_to_itrf94
itrf93_to_itrf2020 = -itrf2020_to_itrf93
itrf92_to_itrf2020 = -itrf2020_to_itrf92
itrf91_to_itrf2020 = -itrf2020_to_itrf91
itrf90_to_itrf2020 = -itrf2020_to_itrf90
itrf89_to_itrf2020 = -itrf2020_to_itrf89
itrf88_to_itrf2020 = -itrf2020_to_itrf88


# ITRF2014 parameters
# Note: These parameter definitions use the units, rotation and delta-rotation
Expand Down