faster routing, graph layout, polyline simplification - but  without  any local modifications
faster routing, graph layout, polyline simplification - but  without  any local modifications

Signed-off-by: Debajyoti Mondal <19c7de107ab04edb2401bc3cb38f22d87aadf688@cs.umanitoba.ca>

DebajyotiMondal/automatic-graph-layout,DebajyotiMondal/automatic-graph-layout,DebajyotiMondal/automatic-graph-layout,DebajyotiMondal/automatic-graph-layout