Reusing classes for a new classification

From: Alexandre Leroux (alexandre.leroux@ec.gc.ca)
Date: Tue Nov 09 2004 - 08:55:36 PST

  • Next message: Alexandre Leroux: "Re: Reusing classes for a new classification"

    Hello list,

    This is a really simple problem but I was not able to find a solution.

    I did an unsupervised classification over the subset of an area. I want
    reuse the same classes (as 'endmembers') to classify the whole area.

    If I try any supervised classification, I am asked to provide ROIs
    instead of classes. Even if I export my initial classes from the
    subsetted area into ROIs (long process), they cannot be used on the
    whole area (different extent?).

    Any idea how to do this? I'm stucked and I can't believe there's no
    simple way to do this! :-)

    Thank you very much,

    Alex :-) 

    -- 
Alexandre Leroux, M.Sc., Ing.Sta.
Environnement Canada
Division des Urgences Environnementales
alexandre.leroux@ec.gc.ca

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