def marker_pos(mdata):
lat, lon = map(float, (mdata['latitude'], mdata['longitude']))
x,y = iowa_relative((lat, lon))
x,y = x-.5, y-.5
x,y = x*.96, y*.99
return (x, y, 0.001)
def marker_pos(mdata):
lat, lon = map(float, (mdata['latitude'], mdata['longitude']))
x,y = iowa_relative((lat, lon))
return (x - .5, y - .5, 0.025)