class Projection:
def __init__(self, params, units):
self.units = units
self.units_factor = units_factor(units)
if params.type == ProjectionParams.TYPE_LC:
self._projection = ProjectionLambertConic(params)
elif params.type == ProjectionParams.TYPE_TM:
self._projection = ProjectionTransverseMercator(params)
else:
raise ProjectionTypeError('Bad projection type: {0}'.format(params.type))
def to_geographic(self, x, y):
return self._projection.to_geographic(x * self.units_factor, y * self.units_factor)
def theta(self, x, y):
return self._projection.theta(x * self.units_factor, y * self.units_factor)
def k(self, x, y):
return self._projection.k(x * self.units_factor, y * self.units_factor)
def to_grid(self, lat, lon):
x, y = self._projection.to_grid(lat, lon)
return x / self.units_factor, y / self.units_factor
def __init__(self, params, units):
self.units = units
self.units_factor = units_factor(units)
if params.type == ProjectionParams.TYPE_LC:
self._projection = ProjectionLambertConic(params)
elif params.type == ProjectionParams.TYPE_TM:
self._projection = ProjectionTransverseMercator(params)
else:
raise ProjectionTypeError('Bad projection type: {0}'.format(params.type))
