map_data = [{"h":"345283","x":"142.446981593749","y":"43.4262411186211"},{"h":"335982","x":"141.35556003398","y":"43.0517715523603"},{"h":"344121","x":"140.11098004149","y":"41.4294675022236"},{"h":"392400","x":"139.014762282721","y":"37.3193640846226"},{"h":"320915","x":"138.184457961518","y":"37.0044546532342"},{"h":"323754","x":"140.037456399122","y":"36.8694542376561"},{"h":"312629","x":"138.64264241296","y":"36.648465733289"},{"h":"336145","x":"138.594067390021","y":"36.3444593459744"},{"h":"366843","x":"137.979824441848","y":"36.2313965433997"},{"h":"387330","x":"136.194527195096","y":"36.2244630451"}];