# MapContext.updateGroundOverlay(Object object)
Start from base library version 2.14.0. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support
Update custom image layers.
# parameter
# Object object
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| id | String | yes | Picture layer id | |
| src | String | yes | Picture path, support network picture, temporary path, code package path | |
| bounds | Object | yes | Latitude and longitude coverage of the picture | |
| visible | Boolean | true | no | Whether visible |
| zIndex | Number | 1 | no | Layer Drawing Order |
| opacity | Number | 1 | no | Layer transparency |
| success | function | no | Interface calls the successful callback function | |
| fail | function | no | Interface calls failed callback functions | |
| complete | function | no | Callback function at the end of an interface call (both successful and unsuccessful calls are executed) |
object.bounds Structure
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| southwest | Object | yes | South-west latitude and longitude | |
| northeast | Object | yes | Northeast longitude and latitude |
southwest Structure
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| longitude | number | yes | longitude | |
| latitude | number | yes | latitude |
northeast Structure
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| longitude | number | yes | longitude | |
| latitude | number | yes | latitude |