# \#mask

**URL:** https://forum.access-hive.org.au/tag/mask/61.md

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## [Creating an xarray mask based on multiple conditions in xr.where](https://forum.access-hive.org.au/t/creating-an-xarray-mask-based-on-multiple-conditions-in-xr-where/255)

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**Author:** [@taimoorsohail](https://forum.access-hive.org.au/u/taimoorsohail)\
**Replies:** 3\
**Last updated:** [9 December 2022 06:25 UTC](https://forum.access-hive.org.au/t/creating-an-xarray-mask-based-on-multiple-conditions-in-xr-where/255 "2022-12-09T06:25:41Z")

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Hello, I want to take an empty 4D array and fill it with 1s and 0s based on certain conditions being met in another array. The way I have coded it is: da\_fuzz = xr.zeros\_like(S).expand\_dims({'tree\_depth':2\*\*tree\_depth}…