[postgis-users] Acces to grid creation functions ?

[Mark Cave-Ayland]

Maxime van Noppen wrote:

> Hi,
> 
> I need to build a grid with acces to both all intersections points and
> the grid geometry itself (either as multiline or multipolygon). Before
> developing the function that constructs a grid I wondered how SnapToGrid
> was implemented and looked at the code. It seems to me that all the
> function I need already exist in the PostGIS source code (lwpoint_grid,
> lwpoly_grid, ...) but unfortunately they're not exported in SQL :(
> 
> Would it be possible to export them without too much trouble?
> 
> Thanks !

The grid functions you mention are called by ST_SnapToGrid() depending 
the input geometry type (i.e. they are equivalent), so I'm not sure I 
understand what you're trying to do?


ATB,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
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