replace#

geowombat.replace(data, to_replace)#

Replace values given in to_replace with value.

Parameters:

data (DataArray) – The xarray.DataArray to recode.
to_replace (dict) –
How to find the values to replace. Dictionary mappings should be given as {from: to} pairs. If to_replace is an integer/string mapping, the to string should be ‘mode’.

{1: 5}:
recode values of 1 to 5

{1: ‘mode’}:
recode values of 1 to the polygon mode

Return type:

DataArray

Returns:

xarray.DataArray

Example

>>> import geowombat as gw
>>>
>>> with gw.open('image.tif', chunks=512) as ds:
>>>     # Replace 1 with 5
>>>     res = gw.replace(ds, {1: 5})

replace