Details Ticket 3394


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Serial Number 3394
Subject v.surf.rst, r.resamp.rst for cases when segment is smaller than grid cell
Area wish6
Queue grass
Requestors hmitaso@unity.ncsu.edu
Owner none
Status open
Last User Contact Never contacted
Current Priority 20
Final Priority 70
Due No date assigned
Last Action Mon Jul 4 07:00:26 2005 (3 yr ago)
Created Mon Jul 4 07:00:26 2005 (3 yr ago)

Transaction History Ticket 3394


Mon, Jul 4 2005 07:00:26    Request created by guest  
Subject: v.surf.rst, r.resamp.rst for cases when segment is smaller than grid
cell 

Platform: GNU/Linux/i386
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources
GRASS Version: CVS 6.1 checked out end of june

this is a very special special case that for 10 years never happened but I got
3 complaints this year already:

If the user does not use the default dmin in v.surf.rst and the data are much
denser than the grid cell size the segment will be smaller than the grid cell
and program gives an error with suggestion to use higher value of dmin or higher
resolution. Some users would prefer that the program handles this case automatically
while preserving as much data as possible.

Similarly for r.resamp.rst when reinterpolating to much lower resolution
(e.g. from 10 to 100), we get segment smaller than a grid cell and the program
gives incorrect disk full error message.

helena
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