Parameters
| Name | Type | Mode |
|---|---|---|
| tilewidth | integer | IN |
| tileheight | integer | IN |
| width | integer | IN |
| height | integer | IN |
| upperleftx | double precision | IN |
| upperlefty | double precision | IN |
| scalex | double precision | IN |
| scaley | double precision | IN |
| skewx | double precision | IN |
| skewy | double precision | IN |
| srid | integer | IN |