added class repr and str methods

Author: claxn

docs/guides/grid.ipynb

@@ -94,7 +94,10 @@
     ")  # ul_x, x_pixel_size, x_rot, ul_y, y_rot, y_pixel_size\n",
     "tilename = \"Tile 1\"\n",
     "# additional, optional parameter is px_origin\n",
-    "RasterTile(n_rows=n_rows, n_cols=n_cols, crs=epsg, geotrans=geotrans, name=tilename)"
+    "raster_tile = RasterTile(\n",
+    "    n_rows=n_rows, n_cols=n_cols, crs=epsg, geotrans=geotrans, name=tilename\n",
+    ")\n",
+    "print(raster_tile)  # noqa: T201"
    ]
   },
   {