[GRASS5] Strange behaviour in d.zoom

Bob Covill bcovill at tekmap.ns.ca
Fri Jun 8 07:56:30 EDT 2001


Justin Hickey wrote:
> 
> Hello all
> 
> Here's a real strange one. I once ran d.zoom and received a usage
> message that said a raster map was required. Unfortunately, I have not
> been able to reproduce it, d.zoom has worked as usual ever since. Not
> only do I not know how this happened, but it shouldn't require a raster
> map since a user may not be viewing any raster files, only vector or
> site files.
> 
> Has anyone else experienced this? I have no idea what happened or if
> there is anything that can be done. Any ideas would be greatly
> appreciated.
> 
> --
> Sincerely,
> 
> Jazzman (a.k.a. Justin Hickey)  e-mail: jhickey at hpcc.nectec.or.th
> High Performance Computing Center
> National Electronics and Computer Technology Center (NECTEC)
> Bangkok, Thailand
> ==================================================================
> People who think they know everything are very irritating to those
> of us who do.  ---Anonymous
> 
> Jazz and Trek Rule!!!

Justin,

I believe d.zoom requires a map object drawn in the monitor. For example
if you execute d.erase followed by d.zoom you should see the message you
report above. 


-- 
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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