echo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| ./bin/geosop -a stdin.wkb -- offsetCurveJoin -0.002 1
MULTILINESTRING ((0.39 -0.022, 0.4648556402268155 -0.022, 0.4661407414895839 -0.0221876631893964, 0.4672953866748729 -0.022716134946407, 0.4685176359449585 -0.0236927292232623, 0.4698334593862525 -0.0252379526243584, 0.4912907546152517 -0.0547713858396871, 0.4915511871129391 -0.055064460353976, 0.4918637914745774 -0.0553010956638139, 0.492216554489859 -0.0554721980069502, 0.4925959196739383 -0.0555711920162934, 0.4929873082355412 -0.0555942734075807, 0.4933756793317382 -0.0555405551758892, 0.4937461080791032 -0.0554121016827373, 0.4940843591086135 -0.0552138493238294, 0.4980114100916134 -0.0523606797749294, 0.498304484605892 -0.0521002472772437, 0.4985411199157216 -0.0517876429156102, 0.4987122222588523 -0.0514348799003356, 0.4988112162681929 -0.0510555147162647, 0.4988342976594811 -0.0506641261546706, 0.4987805794277939 -0.0502757550584819, 0.4986521259346494 -0.0499053263111236, 0.4984538735757516 -0.0495670752816175, 0.479075235654203 -0.022894668402962, 0.4785370545613636 -0.022, 0.6169999999999995 -0.022, 0.617 -0.0700000000000002, 0.6170384294391935 -0.0703901806440324, 0.6171522409349774 -0.0707653668647304, 0.617337060775395 -0.0711111404660394, 0.6175857864376268 -0.0714142135623733, 0.6178888595339608 -0.0716629392246053, 0.6182346331352698 -0.0718477590650228, 0.6186098193559677 -0.0719615705608066, 0.619 -0.0720000000000002, 0.634 -0.0720000000000002, 0.6343901806440323 -0.0719615705608066, 0.6347653668647302 -0.0718477590650228, 0.6351111404660392 -0.0716629392246053, 0.6354142135623732 -0.0714142135623733, 0.6356629392246052 -0.0711111404660394, 0.6358477590650226 -0.0707653668647304, 0.6359615705608065 -0.0703901806440324, 0.636 -0.0700000000000002, 0.6359999999999998 -0.022), (0.6359999999999998 -0.022, 0.65 -0.022))
JTS produced a simple output for this input.
Looks like another version of #477, from old PostGIS ticket 3279.
JTS produced a simple output for this input.