[talk-ph] best practice for mapping landuse=farm

maning sambale emmanuel.sambale at gmail.com
Fri Feb 19 02:04:29 GMT 2010


First installment:
http://www.openstreetmap.org/?lat=15.0904&lon=120.8415&zoom=12&layers=0B00FTF

More in the future, as ianlopez said: "May tiyaga, may nilaga (or
something like that)"

Let me know if something is wrong.

On Fri, Nov 20, 2009 at 7:37 PM, Eugene Alvin Villar <seav80 at gmail.com> wrote:
> I guess this is OK. :-)
>
> On Fri, Nov 13, 2009 at 7:34 AM, maning sambale <emmanuel.sambale at gmail.com>
> wrote:
>>
>> On Thu, Nov 12, 2009 at 11:08 PM, Eugene Alvin Villar <seav80 at gmail.com>
>> wrote:
>> > I think we should mark entire farms as one polygon as much as possible
>> > and
>> > not separate individual "paddies" as their own polygons. The dirt paths
>> > and
>> > irrigation canals are still part of the farm, right?
>> No I'm not marking individual paddies.  Maybe my message was a bit
>> confusing.
>> The SPOT5 has a pix res of 10 meters.  I usually map a farm polygon
>> when there is obvious subdivision between adjacent farms like large
>> irrigation canals.  This is usually visible in the image at around 4-5
>> pixels (roughly 40-50 meters).  The gap size seems sensible enough.
>>
>> Whenever possible, I am also excluding residential areas around the farms.
>>
>> Is this OK?
>>
>> Sorry I can't provide a visual example (the data is on another
>> machine) and I haven't added anything in the OSM database just yet.
>>
>>
>>
>> --
>> cheers,
>> maning
>> ------------------------------------------------------
>> "Freedom is still the most radical idea of all" -N.Branden
>> wiki: http://esambale.wikispaces.com/
>> blog: http://epsg4253.wordpress.com/
>> ------------------------------------------------------
>>
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>
>
>
> --
> http://vaes9.codedgraphic.com
>



-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
------------------------------------------------------




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