Hi,
Not sure. I would help if you cut and paste the exact formula you are using in the raster calculator. Perhaps you are dividing by zeros? If zero is the no data value then that could be the problem. There could be a confusion between the value zero and the no data value. If your values are
Hi!!!
I am working with SPOT 5 image. First I transforme the image with TOA
plugin, and with datas I did the NDVI.To perform the calculation of NDVI I
use the raster calculator. In QGIS v. 2.8.3. From the Raster tool -> Raster
calculator. And there select the appropriate bands for the calculation
Hi Marina,
Please post more information on the exact calculation you are using.
This could help:
http://gis.stackexchange.com/questions/103122/how-to-generate-a-ndvi-in-qgis
Nicolas
Le 2016-04-05 10:34, Mariana Buzzi-2 [via OSGeo.org] a écrit :
> Thanks Nicolas!
> But...I check the CSR and It
Hi,
I don't use NDVI raster calculation but if you have no data values where you
thinks you have some data, then my first reaction would be to see if all the
layers are in the same CRS in case the plugin does not reprojection on the
fly...
You are using more than one layer? Maybe add
Hi everybody
I'm doing a calculation with NDVI raster calculator. When I generate the
calculation results I get a lot of pixels without values (no data). How I
can do to fill those values with data?
Thank you so much
Regards,
Mariana
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