Issue #47: update readme.

README.md

@@ -150,3 +150,22 @@ python roentgen.py -b 2.284,48.86,2.29,48.865
 
 Check all arguments with `python roentgen.py --help`.
 
+Tile generation
+---------------
+
+```bash
+python roentgen.py tile \
+    -c ${LATITUDE},${LONGITUDE} \
+    -s ${OSM_ZOOM_LEVEL}
+```
+
+Tile will be stored as SVG file to `tiles/tile_<zoom level>_<x>_<y>.svg`, where `x` and `y` are tile coordinates.
+
+Example:
+
+```bash
+python3 roentgen.py tile -c 55.7510637,37.6270761 -s 18
+```
+
+will generate SVG file `tiles/tile_18_158471_81953.svg`.
+

doc/readme.moi

@@ -193,3 +193,17 @@ Example\:
     {\tt {-i}\: path to input XML file name.  If this argument is not set, XML file will be downloaded through OpenStreetMap API.}
 
 Check all arguments with \tt {python roentgen.py --help}.
+
+\2 {Tile generation} {tile-generation}
+
+\code {python roentgen.py tile \\
+    -c $\{LATITUDE\},$\{LONGITUDE\} \\
+    -s $\{OSM_ZOOM_LEVEL\}} {bash}
+
+Tile will be stored as SVG file to \tt {tiles/tile_<zoom level>_<x>_<y>.svg}, where \tt {x} and \tt {y} are tile coordinates.
+
+Example\:
+
+\code {python3 roentgen.py tile -c 55.7510637,37.6270761 -s 18} {bash}
+
+will generate SVG file \tt {tiles/tile_18_158471_81953.svg}.