Description:
Contains all relevant state information of the current map,such as center point,scale,full,range,etc.
| Center: | ( 117.05 , 40.04 ) |
| scale: | 0.000000432682 |
| View bounds: |
- Left bottom: ( 114.59 , 37.76 )
- Right top: ( 119.51 , 42.31 )
|
| Size: |
|
| Coordinate information: | 经纬坐标系---GCS_WGS_1984 |
