gis_render
To get a tile of a WebGIS map, use the following request:
https://<host>/gis_render/<x>_<y>_<z>/<uid>/<tile_name>.png?density=...
Parameters
The required parameters are marked with an asterisk (*).
| Name | Description |
|---|---|
| x* | X-coordinate of the tile. |
| y* | Y-coordinate of the tile. |
| z* | Zoom. |
| uid* | Current user ID. Deprecated, always use gis_sid. |
| density | Tile size. |
| gis_sid* | Unique ID of the user session. |
| f* | Flags: 0x200 - zoom Google Maps. |
Tile coordinates are calculated according to the concept described here. Zoom tiles for Webgis from 17 to z.
Density
The parameter is optional. The 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 |
Error codes
| Error code | Description |
|---|---|
| 500 | Internal server error. |
| 401 | Access denied. |
| 304 | Not modified. |
Response
Returns an image in the PNG format.