[GRASS-user] Problem with i.cluster

ndekoning nilsdekoning at hotmail.com
Wed Mar 30 12:28:49 EDT 2011


I have been trying to do an unsupervised classification of my WorldView2
satellite image. When I am using i.cluster I receive the following message:
"ERROR: Illegal value(s) of sample intervals (100,100)".
These are my settings:

group= mul_utm17n at PERMANENT
subgroup= utm17_sub
signaturefile= utm17n_sig 
classes= 11
sample= 100,100
iterations= 30
convergence= 99.9 
separation= 0.0
minimum pixels= 17

I am using GRASS 6.4.1 on a Windows Vista 32 bit system. I hope you will be
able to help me out. 

Kind regards and thanks in advance,

Nils de Koning

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