[Proj] Confused about geos projection documentation
martin.raspaud at smhi.se
Wed Apr 25 11:57:19 EST 2012
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On 25/04/12 17:56, Frank Willett wrote:
> Hi All,
> In the new documentation for the geos projection at:
> I'm confused because it contains the following two statements:
> sweep: the sweep angle axis of the viewing instrument. Can be x or
> y (x is the default). (new in 4.8.0)
> The sweep argument is used to tell proj.4 which on which axis the
> outer-gimbal is rotating. The possible values are x or y, y being
> the default.
> Which of these statements is correct?
Indeed, this is confusing. At the moment, the default is x because of
a misunderstanding when submitting the patch. I send another patch to
change this to y, but it didn't make it in 4.8.0 as I hoped.
However, it is just a naming matter. The name x and y should just be
exchange, and this is what the latest patch is supposed to do. So that
not providing the +sweep argument would result is the same value
before and after the patch.
So, I will change the documentation to reflect the current state,
hoping that the last patch will make it soon in a 4.8.1 release...
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