What I’d like to do with mapnik

What I’d like to do with mapnik

Steve Chilton

we’d

© OpenStreetMap contributors, CC-BY-SA

With thanks to: Artem, Dane, Lennard, Jon

www.mapnik.org

Problems in non-manual cartography

…. three classic problems that computer-generated map output has to deal with. These are generalization, type placement, and overlaying of detail on other detail.

It will be our task as a project to incorporate these principles and techniques as the project develops, solving problems along the way. I am sure it will be an interesting ride.

Respect the layer tag implicitly

© OpenStreetMap contributors, CC-BY-SA

Not place labels of underlying roads on bridges

© OpenStreetMap contributors, CC-BY-SA

Iterate alternative label placements

Apply point-in-polygon to text placement

© OpenStreetMap contributors, CC-BY-SA

Allow rotation of icons

© Richard Fairhurst

Accept SVG icons

© OpenStreetMap contributors, CC-BY-SA

Apply variable width to canals/rivers

© OpenStreetMap contributors, CC-BY-SA

Apply vignettes inside polygons

Ordnance Survey © Crown copyright 2010

Produce spread text labels

Ordnance Survey © Crown copyright 2010

Different casing either side of roads

Ordnance Survey © Crown copyright 2010

Text labels either side of a line

© OpenStreetMap contributors, CC-BY-SA

Add more Natural Earth data at low zooms

© 2010. Natural Earth. All rights reserved

Steve ChiltonEmail: [email protected]

Twitter: steev8

What I’d like to do with mapnikI’m going

© 2010. Natural Earth. All rights reserved