[GRASS-dev] [GRASS GIS] #3888: r.buffer dropping zone
GRASS GIS
trac at osgeo.org
Mon Aug 12 23:37:09 PDT 2019
#3888: r.buffer dropping zone
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Reporter: dnewcomb | Owner: grass-dev@…
Type: defect | Status: new
Priority: major | Milestone: 7.6.2
Component: Raster | Version: svn-releasebranch76
Resolution: | Keywords: r.buffer
CPU: Unspecified | Platform: MSWindows
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Comment (by mmetz):
Replying to [ticket:3888 dnewcomb]:
> I have a raster with 5 ft resolution cells. When I specify distances=
5,10,15,20 and units=feet, the first zone is value 1, distances calculated
from these locations.
> The second zone is value 3 5-10 feet
> The third zone is value 4 10-15 feet
> the fourth zone is value 5 15-20 feet
>
> Should there not be a value 2, 0-5 feet?
In theory yes, but with a resolution of 5 feet, there are no NULL cells
closer than 5 feet to non-NULL cells, thus there are no cells with value
2, 0-5 feet.
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Ticket URL: <https://trac.osgeo.org/grass/ticket/3888#comment:2>
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