Add utility to validate COGs' compatibility with HyBIG

util/validate_cog_for_hybig.py

@@ -0,0 +1,37 @@
+import rioxarray
+import argparse
+
+def validate_cog(file_path):
+    try:
+        # Open the COG file using rioxarray
+        dataset = rioxarray.open_rasterio(file_path)
+
+        # Check if CRS is defined
+        if dataset.rio.crs is None:
+            print(f"COG file {file_path} does not have a defined CRS.")
+            return False
+
+        # Check the number of bands
+        num_bands = dataset.rio.count
+        if num_bands not in [1, 3, 4]:
+            print(f"COG file {file_path} has {num_bands} bands. Expected 1, 3, or 4 bands.")
+            return False
+
+        print(f"COG file {file_path} is valid.")
+        return True
+
+    except Exception as e:
+        print(f"Error validating COG file {file_path}: {e}")
+        return False
+
+if __name__ == "__main__":
+    # Define command line arguments
+    parser = argparse.ArgumentParser(description="Validate a Cloud-Optimized GeoTIFF (COG) file for HyBIG service requirements.")
+    parser.add_argument('file', type=str, help="Path to the COG file")
+
+    # Parse command line arguments
+    args = parser.parse_args()
+
+    # Call the validation function
+    validate_cog(args.file)
+