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Ian gave this talk at Tri
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Eric Gundersen / Ian WardMapBox / Development Seed
Map Showcase...
Looks complicated, no?...
...The design – not so much....The data – more so.
Demo...
Data formats in TileMill:
* PostGIS * GeoTIFF * GeoJSON * ESRI shapefile * KML
Fuente de grafico: http://www.kartografie.nl/geometrics/map%20projections/body.htm
Projections
proj4 string
+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
http://trac.osgeo.org/proj/
> web mercator
Now, how to publish on the Internet?
Tilestream
Got data?
MapBox Geodata Library
http://tilemill.com/pages/manual.html
Use OSM data in TileMill
shapefiles from CloudMade
Or, convert to PostGIS
* imposm.org* osm2pgsql
DC Public Transit geodatahttp://dcatlas.dcgis.dc.gov/catalog/
Thank you.
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