[GRASS-dev] way to create PROJ_INFO and PROJ_UNITS

[Moritz Lennert]

On 25/02/08 18:57, andrea antonello wrote:
> Hi Paul,

>>  Can you give some specific examples? I think "all" sounds like a bit of a
>>  generalisation. What is wrong with the internal GRASS functions
>>  GPJ_grass_to_wkt() and GPJ_grass_to_osr()? Or the -p, -d, -j, -w and -e
>>  options of g.proj? The GRASS representation can be converted to PROJ.4
>>  format without using any external libraries at all, and to WKT format
>>  using the OGR libraries of GDAL. PROJ.4 is not required at all for
>>  converting to either of those.
> 

>>  I guess my point is that it is a reasonable requirement for other software
>>  to use GRASS libraries to access data in GRASS locations, rather than
>>  reverse engineering the internal GRASS database formats which can and will
>>  change in future. But I suppose that is a topic definitely open to
>>  debate?....
> 
> Why does it seem to strange that we want to base on the grass
> database-workspace format to exploit GRASS as well as tools
> implemented in java? Why should I always import/export data to do
> calculations on them?

You haven't really answered Paul's question: What is the problem with 
using the current g.proj '-w' or '-e' flags ?

Moritz