pmtiles fix: suggested fix for windows line endings in shell script

.gitignore

@@ -0,0 +1,3 @@
+venv
+.venv
+__pycache__

src/pmtiles/main.ipynb

@@ -224,6 +224,34 @@
     "!docker run --name pmtiles-converter -d pmtiles"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "de02d6e3",
+   "metadata": {},
+   "source": [
+    "Konverterer line endings i shell script fra Windows (CRLF) til Unix (LF) format\n",
+    "for å unngå problemer i Linux containeren."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "id": "2268b9d9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Konverter Windows line endings (CRLF) til Unix line endings (LF)\n",
+    "with open('vector/gdb_to_pmtiles.sh', 'rb') as f:\n",
+    "    content = f.read()\n",
+    "\n",
+    "# Erstatt \\r\\n med \\n\n",
+    "unix_content = content.replace(b'\\r\\n', b'\\n')\n",
+    "\n",
+    "# Skriv tilbake med Unix line endings\n",
+    "with open('vector/gdb_to_pmtiles_unix.sh', 'wb') as f:\n",
+    "    f.write(unix_content)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "f185cd5d",
@@ -242,6 +270,18 @@
     "!docker cp ./vector/data/Basisdata_42_Agder_25832_N50Kartdata_FGDB.gdb pmtiles-converter:/app/N50_vektor_agder.gdb "
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "id": "4d04af79",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Kopierer det konverterte scriptet (med Unix line endings) inn i containeren\n",
+    "!docker cp ./vector/gdb_to_pmtiles_unix.sh pmtiles-converter:/app/gdb_to_pmtiles.sh\n",
+    "!docker exec pmtiles-converter chmod +x /app/gdb_to_pmtiles.sh"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "df86617c",
@@ -407,7 +447,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": ".venv",
+   "display_name": "venv",
    "language": "python",
    "name": "python3"
   },
@@ -421,7 +461,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.13.2"
+   "version": "3.12.10"
   }
  },
  "nbformat": 4,

src/pmtiles/vector/gdb_to_pmtiles_unix.sh

@@ -0,0 +1,34 @@
+
+#!/bin/bash
+
+# Usage: ./gdb_to_pmtiles.sh path_to.gdb layer_name output.pmtiles
+
+set -e
+
+# --- Arguments ---
+GDB_PATH="$1"
+LAYER_NAME="$2"
+OUTPUT_PMTILES="$3"
+
+# --- Temporary filenames ---
+GEOJSON_FILE="temp_${LAYER_NAME}.geojson"
+MBTILES_FILE="temp_${LAYER_NAME}.mbtiles"
+
+# --- Check requirements ---
+command -v ogr2ogr >/dev/null 2>&1 || { echo >&2 "ogr2ogr is required but not installed."; exit 1; }
+command -v tippecanoe >/dev/null 2>&1 || { echo >&2 "tippecanoe is required but not installed."; exit 1; }
+command -v pmtiles >/dev/null 2>&1 || { echo >&2 "pmtiles CLI is required (npm install -g @maplibre/pmtiles)"; exit 1; }
+
+echo "🧩 Converting GDB to GeoJSON..."
+ogr2ogr -f GeoJSON "$GEOJSON_FILE" "$GDB_PATH" "$LAYER_NAME" -t_srs EPSG:4326
+
+echo "🗺️ Creating MBTiles with tippecanoe..."
+tippecanoe -o "$MBTILES_FILE" -l "$LAYER_NAME" -zg --drop-densest-as-needed "$GEOJSON_FILE"
+
+echo "📦 Converting MBTiles to PMTiles..."
+pmtiles convert "$MBTILES_FILE" "$OUTPUT_PMTILES"
+
+echo "✅ Done! PMTiles file created at: $OUTPUT_PMTILES"
+
+# Optional: Clean up
+rm "$GEOJSON_FILE" "$MBTILES_FILE"