simplevmg
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			#!/usr/bin/env python3

			import sys, datetime
			sys.path.append ('../lib')
			from router_v1 import *

			boat = Boat(43, 6)
			boat.polar = Polar('../polar/so36i.pol')
			boat.wind = Wind(90.0, 15.0)
			boat.wp = WayPoint(43.1, 6.1)

			boat.polar.boatSpeed2(55, 7)
			exit(0)
			vmg, twa, hdg, speed = boat.bestVmg()

			print(' WP Bearing:{0:.2f} Dist:{1:.2f} Nm'.format(boat.azimut, boat.dist))
			print(' TWS:{0:.2f}'.format(boat.wind.speed))
			print(' TWA:{0:.2f}'.format(twa))
			print(' Heading:{0:.2f}'.format(hdg))
			print(' boat speed:{0:.2f} Kts'.format(speed))
			print(' VMG:{0:.2f} Kts'.format(vmg))
			if vmg != 0 :
			print(' ETA:{0:.1f} sec = {1:.2f} h'.format(3600*boat.dist/vmg, boat.dist/vmg))

mux0183/tools/simplevmg9c1223181e1dmaster