GeoReferencing

Integrate a Rectifier to be able to overlay Images (such as Old Printed Maps) on the base maps:

• ​http://warper.geothings.net/
• ​http://mike.teczno.com/notes/canvas-warp.html
  • Code: ​http://github.com/migurski/canvas-warp
• ​http://labs.metacarta.com/rectifier/

Design discussion for GeoExplorer:

• ​http://projects.opengeo.org/geoext/wiki/Georeferencing

qGIS has this functionality in a Desktop tool