To get tile of WebGIS map, use the request:
https://{host}/gis_render/<x>_<y>_<z>/<uid>/<tile_name>.png?density=...
| Name | Description | 
|---|---|
| x | X-coordinate of tile | 
| y | Y-coordinate of tile | 
| z | zoom | 
| uid | current user ID | 
| tile_name | any tile name | 
| density | tile size, optional | 
Tile coordinates are calculated according concept described in Google Custom Map Types. Zoom tiles for Webgis from 17 to z
The param is optional. On default tile size is 256*256.
| Value | Tile size | Ratio | 
|---|---|---|
| 1 | 256*256 | 1 | 
| 2 | 384*384 | 1.5 | 
| 3 | 512*512 | 2 | 
| 4 | 768*768 | 3 | 
| 5 | 1024*1024 | 4 | 
Returns an image in PNG format.
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