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

maning sambale emmanuel.sambale at gmail.com
Fri Feb 19 08:33:28 GMT 2010


It's the spot5 images donated by SPOT-Asia

Instructions for use is here:
http://wiki.openstreetmap.org/wiki/WikiProject_Philippines/hires_imagery#Portions_of_Bulacan.2C_Pampanga_and_Nueva_Ecija

2010/2/19 Ronny Ager-Wick - Develo Ltd. <raw at develo.ltd.uk>:
> Beautiful!
> How can others use the satellite images you used for this?
> Ronny.
>
> maning sambale wrote:chris at blightyarts.comouchris@blightyarts.com
>
> 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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-- 
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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