[GRASS5] Updated d.vect.thematic

[Lorenzo Moretti]

Hi Daniel

>From: Lorenzo Moretti <lorenzo.moretti at bologna.enea.it>
>Sent: Tue, 24 May 2005 12:45:51 +0200
>>
>>  - interval from a value with a start point (eg: 20 and 0 -->0-20, 20-
>>  40, 40-60, ...)
>
>How about accepting a list of values from stdin as breakpoints? 
>Something like:
>
>$ echo 0 20 40 50 100 | d.vect.thematic -themecalc=breaks ...
>
>That would, with some extra work, allow things like
>
>$ db.select sql='select mycolumn from thetable' | my_classifier |
>d.vect.thematic -themecalc=breaks ...
>
>Would that be useful?
>
>Daniel.

Yes
It's more easy to start from an exact value (eg: 0) and after select 
the range. The user can make a first screening like now and he see 
all values (automatic choice) and after he inserts the custom values 
(custom choice) for range (eg: 0 20 30 50 100 200 300 >500...).
This is an idea

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