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Add support for Hyp3 INSAR_ISCE_MULTI_BURST format #1347

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KavyaKinjalk wants to merge 3 commits into from
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Add support for Hyp3 INSAR_ISCE_MULTI_BURST format #1347

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0c80203
add support for Hyp3 isce2-multi-burst format. Added relative orbits …
KavyaKinjalk May 5, 2025
dfbbe72
Remove debug statement and make it easier to read
KavyaKinjalk May 5, 2025
bcdc72b
Remove debug statement and make it easier to read
KavyaKinjalk May 5, 2025
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48 changes: 39 additions & 9 deletions src/mintpy/prep_hyp3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,18 @@ def add_hyp3_metadata(fname, meta, is_ifg=True):
content:
Reference Granule: S1_213524_IW1_20170411T133605_VV_BD30-BURST
...
2. gamma_scene (scene-wide product using Gamma) metadata file:

2. isce2_multi_burst (multi-burst product using ISCE2):
- Metadata filename format:
{SAT}_{PATH}_{LON_L}_{LON_U}_{LAT_L}_{LAT_U}_{DATE1}_{DATE2}_{POL}_{RES}_{JOBID}
- Example:
S1A_064_E053_1_N27_3_E054_1_N27_8_20200604_20200616_VV_INT80_7EB5.txt
- Content:
Reference Granule: S1_290876_IW1_20200604T005150_VV_XXXX-BURST, S1_290875_IW1_20200604T005147_VV_XXXX-BURST
Secondary Granule: S1_290876_IW1_20200616T005150_VV_YYYY-BURST, S1_290875_IW1_20200616T005147_VV_YYYY-BURST
...

3. gamma_scene (scene-wide product using Gamma) metadata file:
format: {SAT}_{DATE1}_{DATE2}_{POL}_{RES}_{SOFT}_{PROC}_{IDS}.txt
example: S1AA_20190610T135156_20190622T135157_VVP012_INT80_G_ueF_F8BF.txt
content:
Expand All @@ -38,15 +49,28 @@ def add_hyp3_metadata(fname, meta, is_ifg=True):
'''

# job_id -> prod_type and date1/2 objects
job_id = '_'.join(os.path.basename(fname).split('_')[:8])
if job_id.split('_')[2].startswith('IW'):
job_id = '_'.join(os.path.splitext(os.path.basename(os.path.dirname(fname)))[0].split('_'))
parts = job_id.split('_')

if len(parts) < 8:
raise ValueError(f"Unexpected format: {job_id}")

if parts[2].startswith('IW'):
# burst-wide product using ISCE2
prod_type = 'isce2_burst'
date1, date2 = (dt.datetime.strptime(x,'%Y%m%d') for x in job_id.split('_')[3:5])
date1 = dt.datetime.strptime(parts[3], '%Y%m%d')
date2 = dt.datetime.strptime(parts[4], '%Y%m%d')

elif len(parts) >= 12 and parts[10].isdigit() and parts[11].isdigit():
prod_type = 'isce2_multi_burst'
date1 = dt.datetime.strptime(parts[10], '%Y%m%d')
date2 = dt.datetime.strptime(parts[11], '%Y%m%d')

else:
# scene-wide product using Gamma
prod_type = 'gamma_scene'
date1, date2 = (dt.datetime.strptime(x,'%Y%m%dT%H%M%S') for x in job_id.split('_')[1:3])
date1 = dt.datetime.strptime(parts[1], '%Y%m%dT%H%M%S')
date2 = dt.datetime.strptime(parts[2], '%Y%m%dT%H%M%S')

# read hyp3 metadata file
meta_file = os.path.join(os.path.dirname(fname), f'{job_id}.txt')
Expand All @@ -55,7 +79,7 @@ def add_hyp3_metadata(fname, meta, is_ifg=True):
for line in f:
key, value = line.strip().replace(' ','').split(':')[:2]
hyp3_meta[key] = value
ref_granule = hyp3_meta['ReferenceGranule']
ref_granule = hyp3_meta['ReferenceGranule'].split(',')[0].strip()

# add universal hyp3 metadata
meta['PROCESSOR'] = 'hyp3'
Expand Down Expand Up @@ -118,11 +142,17 @@ def add_hyp3_metadata(fname, meta, is_ifg=True):
# beam_mode
meta['beam_mode'] = 'IW'

if prod_type == 'isce2_burst':
if prod_type == 'isce2_burst' or prod_type == 'isce2_multi_burst':
# burst-wide product using ISCE2
meta['beam_swath'] = job_id.split('_')[2][2:]

# relative_orbit [to be added]
# relative_orbit -> https://forum.step.esa.int/t/sentinel-1-relative-orbit-from-filename/7042
abs_orbit = int(hyp3_meta['ReferenceOrbitNumber'])
if job_id.startswith('S1A'):
meta['relative_orbit'] = ((abs_orbit - 73) % 175) + 1
elif job_id.startswith('S1B'):
meta['relative_orbit'] = ((abs_orbit - 202) % 175) + 1

# first/last_frame [to be added]

else:
Expand All @@ -137,7 +167,7 @@ def add_hyp3_metadata(fname, meta, is_ifg=True):
meta['relative_orbit'] = ((abs_orbit - 202) % 175) + 1
else:
# add equation for Sentinel-C/D in the future
raise ValueError('Un-recognized Sentinel-1 satellite from {ref_granule}!')
raise ValueError(f'Un-recognized Sentinel-1 satellite from {ref_granule}!')

# first/last_frame [to be completed]
t0, t1 = ref_granule.split('_')[-5:-3]
Expand Down