[talk-ph] suggest a new mapping party event
maning sambale
emmanuel.sambale at gmail.com
Sat Jun 6 04:51:39 BST 2009
Yep, I monitor new free download via USGS's RSS. Maganda sa rss nila
may preview and estimated percent cloudcover
So you can choose what image to download around 200 mb each image.
On Sat, Jun 6, 2009 at 11:39 AM, Eugene Alvin Villar<seav80 at gmail.com> wrote:
> Galing! This is a great piece of work. Do you download the Landsat images
> from their website? Ma-try nga. :-)
>
> On Fri, Jun 5, 2009 at 10:26 PM, maning sambale <emmanuel.sambale at gmail.com>
> wrote:
>>
>> ed,
>>
>> On Thu, Jun 4, 2009 at 12:56 PM, Ed Garcia<eppgarcia at gmail.com> wrote:
>> > interested in mapping the actual shores of Caliraya and Lumot lakes
>>
>> Challenged by this request, see:
>> http://www.openstreetmap.org/browse/changeset/1429273
>> http://www.openstreetmap.org/browse/way/35468493
>> http://www.openstreetmap.org/browse/way/35468489
>>
>> The problem with the default Landsat is the extensive cloudcover, so I
>> downloaded a newer image (free and public domain) taken March 2009.
>>
>> This image have fewer clouds but the edges (which Caliraya was
>> located) has data gaps (nasira last 2002 yung satellite).
>> I digitized the shoreline in QGIS (FOSS gis app) and converted the
>> shapefile to gpx using GPSbabel (FOSS GPS data converter).
>> Load in JOSM edited unconnected nodes, added more detail along the
>> previous image gaps. Add tags:
>> natural=water
>> name=
>> source=
>>
>> Add a multipolygon relation for islands. Upload.
>>
>>
>> A lot more improvement is needed (mapping party) but it should look
>> better by the next render.
>>
>> Good night!
>>
>
>
--
cheers,
maning
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"Freedom is still the most radical idea of all" -N.Branden
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