opentripplanner/OpenTripPlanner — pull request #1614 by oscarfonts (2014-11-13 11:11:05+00:00)
Title: Graph builder: Support DEM files in GeoTIFF format [master branch]

Detects a GeoTIFF file in the input data directory, and uses it as elevation data when building the graph.
The explicit --elevation command line parameter will take precedence over this default behavior.