hello, i am a student and i need help with postgis. i want to implement a algorithm (Yen's algorithm computes K-shortestpaths). if can somebody help me ??? thank you in avdance -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20130517/08922442/attachment.html>