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Add Sentinel-1D (S1D) support #151

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4d8ecae
Add S1D (Sentinel-1D) support
mgovorcin Apr 17, 2026
155e346
Add comment about relative orbit offset for S1D
mgovorcin Apr 19, 2026
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5 changes: 4 additions & 1 deletion src/s1reader/s1_burst_slc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ class represents a polynomial function of range

val, res, _, _ = np.linalg.lstsq(A, z, rcond=cond)
if len(res) > 0:
print("Chi squared: %f" % (np.sqrt(res / (1.0 * len(z)))))
print("Chi squared: %f" % np.sqrt(res / (1.0 * len(z))).item())
else:
print("No chi squared value....")
print("Try reducing rank of polynomial.")
Expand Down Expand Up @@ -1181,6 +1181,9 @@ def relative_orbit_number(self):
orbit_number_offset = 27
elif self.platform_id == "S1C":
orbit_number_offset = 172
elif self.platform_id == "S1D":
# Note: adjust in July 26 with cal. S1D
orbit_number_offset = 42
else:
raise ValueError(f"Unknown platform_id: {self.platform_id}")
return (self.abs_orbit_number - orbit_number_offset) % 175 + 1
2 changes: 1 addition & 1 deletion src/s1reader/s1_info.py
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Expand Up @@ -245,7 +245,7 @@ def main():
all_files.append(path)
elif path.is_dir():
# Get all matching files within the directory
files = path.glob("S1[AB]_IW*")
files = path.glob("S1[ABCD]_IW*")
all_files.extend(list(sorted(files)))
else:
warnings.warn(f"{path} is not a file or directory. Skipping.")
Expand Down