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Mapnik code sprint: what i’d like to do with mapnik

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Presentation at MapnikCodeSprint 24 Sept 2010 - wishlist for mapping with mapnik

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Mapnik code sprint: what i’d like to do with mapnik

  1. 1. What I’d like to do with mapnik Steve Chilton we’d © OpenStreetMap contributors, CC-BY-SA
  2. 2. With particular thanks to: Artem, Dane, Lennard, Colin, Jon www.mapnik.org
  3. 3. Problems in non-manual cartography <ul><li>… . three classic problems that computer-generated map output has to deal with. These are generalization , type placement , and overlaying of detail on other detail. </li></ul><ul><li>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. </li></ul>
  4. 4. Respect the layer tag implicitly © OpenStreetMap contributors, CC-BY-SA
  5. 5. Not place labels of underlying roads on bridges © OpenStreetMap contributors, CC-BY-SA
  6. 6. Iterate alternative label placements
  7. 7. Apply point-in-polygon to text placement © OpenStreetMap contributors, CC-BY-SA
  8. 8. Allow rotation of icons © Richard Fairhurst
  9. 9. Accept SVG icons © OpenStreetMap contributors, CC-BY-SA
  10. 10. Apply variable width to canals/rivers © OpenStreetMap contributors, CC-BY-SA
  11. 11. Apply vignettes inside polygons Ordnance Survey © Crown copyright 2010
  12. 12. Produce spread text labels Ordnance Survey © Crown copyright 2010
  13. 13. Different casing either side of roads Ordnance Survey © Crown copyright 2010
  14. 14. Text labels either side of a line © OpenStreetMap contributors, CC-BY-SA
  15. 15. Nudge an icon a bit © OpenStreetMap contributors, CC-BY-SA
  16. 16. Mountain range names following a hint line © 2010 MapQuest
  17. 17. Collapse small areas into larger one © OpenStreetMap contributors, CC-BY-SA
  18. 18. More control over text rotation © OpenStreetMap contributors, CC-BY-SA
  19. 19. Combine point and line data in single style © OpenStreetMap contributors, CC-BY-SA
  20. 20. Coupling between icon and text. Text “knows” icon size © OpenStreetMap contributors, CC-BY-SA
  21. 21. Separate two lines by minimum distance © OpenStreetMap contributors, CC-BY-SA
  22. 22. Add more Natural Earth data at low zooms © 2010. Natural Earth. All rights reserved
  23. 23. Steve Chilton Email: [email_address] Twitter: steev8 What I’d like to do with mapnik I’m going © 2010. Natural Earth. All rights reserved

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