Support larger operator training samples

scripts/README.md

@@ -191,6 +191,24 @@ negative-tile training. The helper fetches only the explicit documented AOIs,
 records Digitaal Vlaanderen attribution and reuses existing files by default.
 Use `--force` only when the local runtime artifacts should be regenerated.
 
+For model-training candidates, prepare a larger operator-only sample manifest so
+tile overlap can create meaningful context instead of one tile per source
+raster:
+
+```bash
+docker exec -it geointel python3 /app/scripts/prepare_operator_real_data_samples.py \
+  --output-dir /app/storage/operator-data/operator-samples-1024 \
+  --manifest-name operator_samples_manifest.json \
+  --width 1024 \
+  --height 1024 \
+  --half-size-scale 2 \
+  --force
+```
+
+This keeps the same documented AOI centers but requests larger WMS rasters and a
+larger GRB reference bbox. Use the generated manifest path for the next YOLO
+tile export. The default remains 512x512 for quick smoke runs.
+
 The real-data smoke is intentionally mutating and refuses to run without
 operator-supplied files. Current V1 upload support expects a georeferenced
 `.tif`, `.tiff` or `.geotiff` raster and a `.geojson` or `.json` reference
@@ -316,13 +334,13 @@ with overlapping raster windows:
 
 ```bash
 docker exec -it geointel python3 /app/scripts/export_operator_yolo_tile_dataset.py \
-  --manifest-path /app/storage/operator-data/operator_samples_manifest.json \
-  --output-dir /app/storage/operator-data/yolo-building-tile-expanded160 \
-  --tile-size 160 \
-  --stride 80 \
+  --manifest-path /app/storage/operator-data/operator-samples-1024/operator_samples_manifest.json \
+  --output-dir /app/storage/operator-data/yolo-building-aoi1024-visible025 \
+  --tile-size 512 \
+  --stride 256 \
   --negative-keep-ratio 1.0 \
   --min-label-visible-ratio 0.25 \
-  --val-samples turnhout,retie,kasterlee_bos \
+  --val-samples turnhout,retie,westerlo,arendonk_heide \
   --force
 ```