removed playground.vsp dependency (and thus accessibility, emissions, matrixbasedptrouter, multimodal, otfvis, and roadpricing)
gexf is a copy of playground.vsp.gexf GridNode is a copy of playground.vsp.analysis.utils.GridNode
Authored by: vsp_neumann 2014-09-04
Parent: [r30114]
Child: [r30116]
