[GRASS5] r.reclass

[Bob Covill]

"Roger S. Miller" wrote:
> 
> Folks,
> 
> Was anyone taking on the bug in r.reclass that produces an error when a
> user enters floating-point category numbers?  I have run into that problem
> myself, so I wouldn't mind fixing it.  Just scanning the code I can see
> some readily fixable problems.
> 
> I don't want to go any further if someone else is already working on it.
> Others certainly know more than I do about the inner workings of
> reclassification, so before I go on I have a second question.  Is it even
> possible to reclassify a CELL raster map with FCELL or DCELL category
> numbers, thus getting a reclass map that is a different type from the
> original map?
> 
> Roger Miller
> Lee Wilson and Associates
> 
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Roger,

The routines used in r.recode use the routines defined in the GIS lib in
the file fpreclass.c (libes/gis/fpreclass.c). These routines allow for
reclassification to and from all three raster types (CELL, FCELL, &
DCELL).

Rather than trying to fix r.reclass, it might be easier to make r.recode
accept the same classification rules as r.reclass.

Hope this helps.
-- 
Bob Covill

Tekmap Consulting
P.O. Box 2016 Fall River, N.S.
B2T 1K6
Canada

E-Mail: bcovill at tekmap.ns.ca
Phone: 902-860-1496
Fax: 902-860-1498

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