[OSM-dev] Using NULL values in mapnik / postgres DB

[Jon Burgess]

On Wed, 2007-02-21 at 21:53 +0000, Artem Pavlenko wrote:
> Hello,
> 
> Attached is console app that takes list of geometries ( in WKT format) and 
> cleans them. It works quite well and I can correct all not simple ways from 
> latest osm. It requires GEOS lib from geos.refractions.net (I'm using 
> geos-3.0.0rc3). 
> 
> It should fit nicely into osm2pgsql as in essence it takes bunch of 
> segments, 'node' them , merge them and spits out 'clean' geometries.
> 
> As a side effect it is possible to output geometries in HEX WKB format which 
> will speed up loading into postgresql.
> 
> Shall I try to merge this into osm2pgsql? 
>  
> Cheers,
> Artem 

Feel free to have a go. I guess the easiest thing would be to wrap your
C++ code with extern "C" and then link and call it from the C code. 

Otherwise there is a C API to Geos (it even seems to be recommended over
the C++ for API stability). 

	Jon