[GRASS-dev] Unexpected EVI range from "i.vi"

Nikos Alexandris nik at nikosalexandris.net
Sun Jun 9 17:27:06 PDT 2013

Nikos Alexandris wrote:

> I get an unexpected range of evi values using "i.vi" (G7), i.e.
> 	# derive EVI
> 	i.vi viname=evi red=B.Trimmed.ToAR.3 blue=B.Trimmed.ToAR.1
> nir=B.Trimmed.ToAR.4 output=evi
> 	# range is...
> 	r.info -r evi
> 	min=-6912.82161611806
> 	max=2264.42037461018

Something must be "wrong" with one of the bands... ?  Manually calculating the 
index gives the same result.

Will check further - sorry for the noise.


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