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Eric Gundersen / Ian Ward MapBox / Development Seed

Tilemill: Making Custom Transit Maps

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Ian gave this talk at Tri

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Eric Gundersen / Ian WardMapBox / Development Seed

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Map Showcase...

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Looks complicated, no?...

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...The design – not so much....The data – more so.

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Demo...

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Data formats in TileMill:

        * PostGIS        * GeoTIFF        * GeoJSON        * ESRI shapefile        * KML

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Fuente de grafico: http://www.kartografie.nl/geometrics/map%20projections/body.htm

Projections

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proj4 string

+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs

http://trac.osgeo.org/proj/

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> web mercator

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Now, how to publish on the Internet?

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Tilestream

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Got data?

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MapBox Geodata Library

http://tilemill.com/pages/manual.html

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Use OSM data in TileMill

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shapefiles from CloudMade

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Or, convert to PostGIS

* imposm.org* osm2pgsql

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DC Public Transit geodatahttp://dcatlas.dcgis.dc.gov/catalog/

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Thank you.