[GRASS5] initiation of proj library in r.sun

[Paul Kelly]

Hello Jaro

On Sat, 29 Nov 2003, Jaro Hofierka wrote:

> Hi,
>
> I am trying to use recent updates of r.sun under CVS version of GRAS5.3
> (from Oct 11). I got the following error reading latitude values from
> proj info:
>
> r.sun elevin=ele25 aspin=asp250 slopein=slop250 day=90 beam_rad=b1a
> diff_rad=d1a refl_rad=r1a
> Mode 2: integrated daily irradiation
> Unable to initialise PROJ.4 with the following parameter list:
>   +proj=krovakgis +a=6377397.155 +es=0.006674372231802145
> +towgs84=653.000000,-212.000000,449.000000
>   The error message was 'unknown projection id'
>   ERROR: Can't get projection key values of current location
>

"proj: krovakgis" doesn't exist any more in GRASS; you need to use
"proj: krovak". I believe Radim made some changes to this to fix the axis
orientation and the version in the internal GRASS PROJ is more 'correct'
than in the remotesensing.org PROJ version.

Paul