geotrellis/geotrellis-transit — pull request #70 by joshmarcus (2013-09-20 21:33:49+00:00)
Title: Buffer the SPT by 10 minutes and then filter post-IDW.

This checkin resolves artifacts around the edge of a travelspace by
buffering the maximum traveltime in the SPT by 10 minutes and then
filtering cells whose maximum traveltime is beyond the threshold.