[prev in list] [next in list] [prev in thread] [next in thread]
List: grass-user
Subject: [GRASS-user] r.mapcalc map arithmetic and raster data types
From: epatton () nrcan ! gc ! ca (Patton, Eric)
Date: 2008-01-31 15:07:54
Message-ID: CA803441152AAE40935609509953BAD201075FA6 () s0-ott-x4 ! nrn ! nrcan ! gc ! ca
[Download RAW message or body]
You can always "downgrade" a DCELL map,but using any other type
>could result in a loss of precision which cannot subsequently be undone.
Ok, good; that's what I did (DCELL --> FCELL).
>> the resulting raster map was an INT map whose cell values were
>> all exactly zero. Why is this so? Is this because r.mapcalc math on
>> two DCELL maps can't be represented on 32-bit architecture?
>This makes no sense. Please provide the exact command used, and r.info
>output for all maps involved.
I can't seem to reproduce the problem now, so it's most likely user error.
If anything comes up again, I'll post the details.
Thanks,
~ Eric.
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic