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subset.py: support subseting in radar coord using lat/lon via --force #1233

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subset.py: support subseting in radar coord using lat/lon via --force #1233

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subset.py: support subseeting of file in radar coordinates using --la…
Jul 21, 2024
d7c1081
Merge branch 'main' into master
yunjunz Jul 24, 2024
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58 changes: 41 additions & 17 deletions src/mintpy/subset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -183,27 +183,51 @@ def subset_input_dict2box(subset_dict, meta_dict):

# Use subset_lat/lon input if existed, priority: lat/lon > y/x > len/wid
coord = ut.coordinate(meta_dict)
if subset_dict.get('subset_lat', None):
sub_y = coord.lalo2yx(subset_dict['subset_lat'], None)[0]
elif subset_dict['subset_y']:
sub_y = subset_dict['subset_y']
else:
sub_y = [0, length]

if subset_dict.get('subset_lon', None):
sub_x = coord.lalo2yx(None, subset_dict['subset_lon'])[1]
elif subset_dict['subset_x']:
sub_x = subset_dict['subset_x']
if 'Y_FIRST' in meta_dict.keys():
geocoded =True
else:
sub_x = [0, width]
geocoded =False

# Get subset box in y/x
sub_x = sorted(sub_x)
sub_y = sorted(sub_y)
pix_box = (sub_x[0], sub_y[0], sub_x[1], sub_y[1])
if geocoded:
if subset_dict.get('subset_lat', None):
sub_y = coord.lalo2yx(subset_dict['subset_lat'], None)[0]
else:
sub_y = [0, length]

# Get subset box in lat/lon from subset box in y/x
geo_box = coord.box_pixel2geo(pix_box)
if subset_dict.get('subset_lon', None):
sub_x = coord.lalo2yx(None, subset_dict['subset_lon'])[1]
else:
sub_x = [0, width]

# Get subset box in y/x
sub_x = sorted(sub_x)
sub_y = sorted(sub_y)
pix_box = (sub_x[0], sub_y[0], sub_x[1], sub_y[1])

# Get subset box in lat/lon from subset box in y/x
geo_box = coord.box_pixel2geo(pix_box)
else:
if subset_dict.get('subset_lat', None):
geo_box = (subset_dict['subset_lon'][0], subset_dict['subset_lat'][1], subset_dict['subset_lon'][1], subset_dict['subset_lat'][0])
pix_box = coord.bbox_geo2radar(geo_box, buf=0)
else:
if subset_dict['subset_y']:
sub_y = subset_dict['subset_y']
else:
sub_y = [0, length]

if subset_dict['subset_x']:
sub_x = subset_dict['subset_x']
else:
sub_x = [0, width]
# Get subset box in y/x
sub_x = sorted(sub_x)
sub_y = sorted(sub_y)
pix_box = (sub_x[0], sub_y[0], sub_x[1], sub_y[1])

# Get subset box in lat/lon from subset box in y/x
geo_box = coord.box_pixel2geo(pix_box)

return pix_box, geo_box

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