[Talk-us] Fixing shorelines

[Jeff Meyer]

Muchas gracias!


On Fri, Dec 14, 2012 at 7:49 AM, Phil! Gold <phil_g at pobox.com> wrote:

> * Jeff Meyer <jeff at gwhat.org> [2012-12-13 12:58 -0800]:
> > On Thu, Dec 13, 2012 at 11:23 AM, Phil! Gold <phil_g at pobox.com> wrote:
> > > I use tilestache to go between
> > > JOSM's tile underlays and the ArcGIS REST interface).
> >
> > Do you have a pointer to any docs of how to do this?
>
> It's pretty simple.  You use tilestache's URL template provider to proxy
> requests to the REST server.  It works as long as the server supports the
> web mercator projection, which might be under any of the SRIDs 900913,
> 102113, 102100, 3785, or 3857.  (The last is the current official code
> from EPSG.)  Here's what I use for Anne Arundel County's orthoimagery:
>
> {
>   "layers": {
>     "AAOrtho2010": {
>       "provider": {
>         "name": "url template",
>         "template": "
> http://gis-world.aacounty.org/ArcGIS/rest/services/Ortho2010/MapServer/export?f=image&bboxSR=102113&bbox=$xmin,$ymin,$xmax,$ymax&size=$width,$height&format=png24
> "
>       },
>       "preview": {
>         "lat": 38.974,
>         "lon": -76.595,
>         "zoom": 10
>       }
>     }
>   }
> }
>
> For their vector-based data, I add `transparent=true` so I can overlay it
> on aerial imagery:
>
>     "AABasemap": {
>       "provider": {
>         "name": "url template",
>         "template": "
> http://gis-world.aacounty.org/ArcGIS/rest/services/Basemap/MapServer/export?f=image&bboxSR=102113&imageSR=102113&transparent=true&bbox=$xmin,$ymin,$xmax,$ymax&size=$width,$height&format=png
> "
>       },
>     }
>
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-- 
Jeff Meyer
Global World History Atlas
www.gwhat.org
jeff at gwhat.org
206-676-2347
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