first commit

scripts/bootstrap_dem.py

@@ -0,0 +1,30 @@
+"""Bootstrap Copernicus DEM tiles for an AOI.
+
+The production implementation should download Copernicus DEM GLO-30 tiles and
+write Cloud-Optimized GeoTIFFs into `data/dem`.
+"""
+
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="Bootstrap Copernicus DEM for an AOI")
+    parser.add_argument("--bbox", required=True, help="AOI bbox: minlon,minlat,maxlon,maxlat")
+    parser.add_argument("--output-dir", default="/data/dem", type=Path)
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = parse_args()
+    args.output_dir.mkdir(parents=True, exist_ok=True)
+    raise NotImplementedError(
+        "Copernicus DEM download/mosaic/COG conversion is implemented in a later stage. "
+        f"Requested bbox={args.bbox}, output_dir={args.output_dir}"
+    )
+
+
+if __name__ == "__main__":
+    main()