parameters: (self, lat, lon, alt)
return_statement: return topocentric_from_lla(lat, lon, alt,
                                      self.lat, self.lon, self.alt)
docstring: Convert lat, lon, alt to topocentric x, y, z.
docstring_summary: Convert lat, lon, alt to topocentric x, y, z.
docstring_tokens: Convert lat lon alt to topocentric x y z .
function: def to_topocentric(self, lat, lon, alt):
          """Convert lat, lon, alt to topocentric x, y, z."""
          return topocentric_from_lla(lat, lon, alt,
                                      self.lat, self.lon, self.alt)
function_tokens: def to_topocentric ( self , lat , lon , alt ) : return topocentric_from_lla ( lat , lon , alt , self . lat , self . lon , self . alt )