How to messure pixels of NDVI raster with QGIS?

Hi guys,

I am using QGIS, and I’d like to messure the different areas of the NDVI layer.

Is it possible?

Thank you!


How do you mean?

There are a number of different approaches one could use.

Hi Saijin,
I am working with this geotiff:

I want to messure the area in square meters of the zones represented in red, orange, yellow, green and blue:

By using I get 75 lines of results, instead the 5 results I was expecting.

Any clue on how can I get the results in the way I want?

Thanks a lot!


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Could do a reclassify and then summary statistics, no?

I have no idea really. Any clue on how to do that?

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I guess you were suggesting r.reclass, thank you!

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Hi Saijin,

I couldn’t do it, I keep having error messages. I use these parameters for the classification:

And this is the error I get:

Any advice? Thank you!

Are you certain you can use commas instead of decimal points? I’m not sure if all tools can handle that style of number formatting.

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