[GRASS5] Re: [OSRS-PROJ] PROJ 4.4.3 Released

Markus Neteler wrote:

On Fri, Apr 20, 2001 at 10:38:26AM -0400, Frank Warmerdam wrote:
> Folks,
>
> I have prepared a PROJ.4.4.3 source release. This release includes:
[nice news removed]

Congratulations, Frank! The next step for us (GRASS Development Team)
will be to syncronize GRASS/PROJ and PROJ4 to make it a plugin...

Thank you for all your work,

Markus,

I would be willing to play a major role in this, presumably within GRASS 5.1.
In addition to using PROJ.4 as a shared library, rather than including a
copy within the GRASS source tree, I would also like to iron out a few
quirks about the PROJ-like definition of projections in GRASS to bring it more
into line with the core PROJ schemes (partly modelled on how things are done
in GRASS).

I would also like to review how datums are handled now in GRASS to see if
the PROJ mechanisms can be used more directly.

Best regards,

---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent

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On Fri, Apr 20, 2001 at 11:13:39AM -0400, Frank Warmerdam wrote:

Markus Neteler wrote:
>
> On Fri, Apr 20, 2001 at 10:38:26AM -0400, Frank Warmerdam wrote:
> > Folks,
> >
> > I have prepared a PROJ.4.4.3 source release. This release includes:
> [nice news removed]
>
> Congratulations, Frank! The next step for us (GRASS Development Team)
> will be to syncronize GRASS/PROJ and PROJ4 to make it a plugin...
>
> Thank you for all your work,

Markus,

I would be willing to play a major role in this, presumably within GRASS 5.1.
In addition to using PROJ.4 as a shared library, rather than including a
copy within the GRASS source tree, I would also like to iron out a few
quirks about the PROJ-like definition of projections in GRASS to bring it more
into line with the core PROJ schemes (partly modelled on how things are done
in GRASS).

I would also like to review how datums are handled now in GRASS to see if
the PROJ mechanisms can be used more directly.

Frank,

you are welcome!! The change might be pretty simple: The GRASS/PROJ wrapper
routines are in

grass/src/libes/proj/
Gmakefile
do_proj.c
get_proj.c

All the other files are (old) PROJ4.2.x files as far as I can see. So a
simple change to Gmakefile and libproj4 stored in $GISBASE/lib should
do along with changed Gmakefiles of s./m./r./v.proj.

The datum support is definitly for 5.1 and hopefully possible to integrate
into the wrapper functions (if we want to keep them).

Regards

Markus

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