Details Ticket 2362


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Serial Number 2362
Subject r.support: updated needed for range calculation
Area bug
Queue grass
Requestors neteler@itc.it
Owner none
Status resolved
Last User Contact Mon Feb 5 22:06:54 2007 (2 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Mon Feb 5 22:06:54 2007 (2 yr ago)
Created Wed Mar 24 11:31:29 2004 (4 yr ago)

Transaction History Ticket 2362


Wed, Mar 24 2004 11:31:29    Request created by guest  
Subject: r.support: updated needed for range calculation

grass obtained from: CVS
grass binary for platform: Compiled from Sources

r.support: updated needed for range calculation

Background:

Glynn Clements wrote:
> > I'm not sure what purpose "r.support -r" serves. The core libgis
> > functions automatically update the range; AFAICT, the only reasons
> > that the range/fp_range files may not accurately reflect the range of
> > the data are:
> >
> > 1. The actual cell/fcell data files have been modified other than
> > via the standard functions (open_cell/put_row/close_cell).
> >
> > 2. The range has been explicitly modified via e.g. G_update_range()
> > (which is what "r.support -r" does).
>
> So maybe we remove it?
>
> Maybe it was introduced once in the inter version to overcome above
> mentioned problems, then introduced into cmd to have it available on
> command line.
>
> In case of removal it should be removed from both cmd and inter.

I suspect that r.support has its place, but for consistency with the
way in which the range is normally calculated, the calculation should
iterate over the cell values, not the category list (for both integer
and FP).
Mon, Feb 5 2007 22:06:54    Status changed to resolved by mneteler  
Mon, Feb 5 2007 22:06:54    Mail sent by mneteler  
seems to be solved in GRASS 6
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