## raster.get_utm_zone_string()


Extract zero-padded UTM zone identifier.


Usage

``` python
raster.get_utm_zone_string(projparams)
```


## Parameters


`projparams: Any`  
An object that can initialize a pyproj.CRS class instance, e.g., a EPSG code or any object that implements `to_wkt()`.


## Returns


`str`  
UTM zone identifier (e.g., '32N', '01S')


## Raises


`ValueError`  
If UTM zone cannot be extracted.