Yes, the raster calculator, and the extent (resolution, nr of  pixels, 
everything)  of the output file matches that of the two input bands. What is 
interesting is that I noted that the boundaries of some man-made objects  do no 
show this fuzziness:

[cid:[email protected]]



From: Nicolas Cadieux <[email protected]>
Sent: Friday, May 7, 2021 6:27 PM
To: Neels Brink <[email protected]>
Cc: [email protected]
Subject: Re: [Qgis-user] NDVI resolution

Hi,
Did you use the raster calculator?  If so, did you select the proper extent and 
rows and columns in the output files?

https://docs.qgis.org/3.16/en/docs/user_manual/working_with_raster/raster_analysis.html#raster-calculator
Nicolas Cadieux
https://gitlab.com/njacadieux


Le 7 mai 2021 à 11:56, Neels Brink 
<[email protected]<mailto:[email protected]>> a écrit :

I created an NDVI in QGis from Worldview -3 bands. However, the NDVI looks 
‘fuzzy’, or at lower resolution than the original bands. I tried to find a flag 
or setting which causes this but do not see something like it. What could be 
the reason for this appearance of the NDVI?

<image001.jpg>


<image002.jpg>





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