----- Mensaje original ----
De: António Rodrigues <[EMAIL PROTECTED]>
Para: [email protected]
Enviado: martes, 22 de enero, 2008 2:22:10
Asunto: [GRASS-user] r.reclass null values
r.reclass null values
<Hi,
<I want to use r.cost to calculate accessibility surfaces based on an existing
road network. In my cost surface, I want to associate a speed limit = <6kmh to
every cell outside the network, which involves reclassifying all NULL values to
6. However. <r.reclass> doesn't allow me to reclass the <nulls. The following
message appears:
<WARNING: can't have null on the left-hand side of the rule
<illegal reclass rule. ignored
<Any clues on how to do this? I couldn't find any offer function which would do
the trick.
<Apologize if this is a "too simple" kind of question...
<Thanks in advance,
<António
r.null map=yourmap null=6
JM Garijo
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