Can not convert Synspective StriX CEOS format into SICD.

[syu-tan]

Synspective StriX SAR Satellite
Sample Data: https://synspective.com/jp/gallery/mount-lewotobi-laki-laki-indonesia/

Although it is not mentioned in the README, the PALSAR2 code contains the word Strix, so please check.
from CEOS into SICD converter.

sarpy/sarpy/io/complex/palsar2.py

Line 1280 in dad0ba7

elif self._led_element.data.scene_id.startswith('STRIX'):

Code sharing for reproducibility

from sarpy.io.complex.converter import open_complex

# open a sicd type file
reader = open_complex(PATH_NTF)

error log

['data/synspective/Mount Lewotobi Laki Laki_STRIX_202411-00357_20241115T192220Z_ST1_SLC_CEOS/LED-STRIX3-20241115T192220Z-STSLC']
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/var/folders/vg/3f79b2x54mz7ny6lbm1bfhrw0000gn/T/ipykernel_66332/3105492214.py in <module>
      1 # open a sicd type file
      2 
----> 3 reader = open_complex(PATH_NTF)
      4 # see the sizes of all image segments
      5 print(reader.get_data_size_as_tuple())

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/converter.py in open_complex(file_name)
    104     # see if we can find a reader though trial and error
    105     for opener in _openers:
--> 106         reader = opener(file_name)
    107         if reader is not None:
    108             return reader

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/palsar2.py in is_a(file_name)
   1678 
   1679     try:
-> 1680         palsar_details = PALSARDetails(file_name)
   1681         logger.info('File {} is determined to be a PALSAR ALOS2 file.'.format(file_name))
   1682         return PALSARReader(palsar_details)

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/palsar2.py in __init__(self, file_name)
   1180         self._trl_element = None  # type: Union[None, _TRL_Elements]
   1181         self._vol_element = None  # type: Union[None, _VOL_Elements]
-> 1182         self._validate_filename(file_name)
   1183         for entry in self._img_elements:
   1184             if entry.is_scansar:

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/palsar2.py in _validate_filename(self, file_name)
   1239         print(led_files)
   1240         self._img_elements = tuple([_IMG_Elements(entry) for entry in img_files])
-> 1241         self._led_element = _LED_Elements(led_files[0])
   1242         self._trl_element = _TRL_Elements(trl_files[0]) if len(trl_files) > 0 else None
   1243         self._vol_element = _VOL_Elements(vol_files[0]) if len(vol_files) > 0 else None

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/palsar2.py in __init__(self, file_name)
    971         self._file_name = file_name  # type: str
    972         with open(self._file_name, 'rb') as fi:
--> 973             _CommonElements3.__init__(self, fi, 5)
    974             fi.seek(230, os.SEEK_CUR)  # skip reserved fields
    975             self.data = _LED_Data(fi)  # type: _LED_Data

~/anaconda3/envs/ai/lib/python3.8/site-packages/sarpy/io/complex/palsar2.py in __init__(self, fi, facility_count)
    235         for i in range(facility_count):
    236             num_fac_data_rec.append(int(fi.read(6)))
--> 237             fac_data_len.append(int(fi.read(8)))
    238         self.num_fac_data_rec = tuple(num_fac_data_rec)  # type: Tuple[int]
    239         self.fac_data_len = tuple(fac_data_len)  # type: Tuple[int]

ValueError: invalid literal for int() with base 10: b'  5000\x00\x00'

[syu-tan]

I'm sharing this because the provider's CEOS value is sometimes empty.
https://github.com/ngageoint/sarpy/blob/dad0ba758c2ceae59137908e6ab18c22ad17d0dc/sarpy/io/complex/palsar2.py

• num_fac_data_rec
• fac_data_len
• rec_gain_like_pol
• rec_gain_cross_pol
• dc_bias_i
• dc_bias_q
• gain_imbalance
• elec_bores
• mech_bores
• ant_beam_2way_el
• ant_beam_2way_az
• num_look_az
• num_look_rng
• bw_per_look_az
• bw_per_look_rng
• incidence_ang
• at_pos_err
• ct_pos_err
• rad_pos_err
• at_vel_err
• ct_vel_err
• rad_vel_err
• pts_pos
• pts_vel
• tx_distortion
• rcv_distortion
• at_misreg_err
• ct_misreg_err
• ac_seq_num
• num_low_res_rec
• low_res

Geometry and transmit/receive signal information is missing.
You can force create SICD ignoring these values, but geospatial projection processing will not work.
Are there plans to support the format in the future?