DOC: Adjusted documentation to reflect refactoring.
DOC: Adjusted documentation to reflect refactoring.

Changed the doctest output because now the example uses a slightly different
earth radius (c.f. commit 67ddf81097f611be629b678d05c034a1683bb90a)

--HG--
branch : feature/georef

kmuehlbauer/wradlib,heistermann/wradlib,wradlib/wradlib,kmuehlbauer/wradlib,wradlib/wradlib,heistermann/wradlib