[postgis-users] How retrieve number of points based on scale value?

[Maurizio Napolitano]

> I couldn't seen the java map, 

The effect is very impressive

> but I suspect this is something 
> I've already handled to do. 

Good!

> I made a stored procedure which
> transformed a postgis geometry making each of its points fall
> on a grid defined by its origin and cell size. Adiacent points
> falling an the same cell are merged togheter thus making the
> geometry smaller (in points and size) as you enlarge the 'grid'.
> It's like mapsever's raster-based reduction.
> 
> Is this what you're looking for ?

mmm ... probaly ...
Do you can send me your procedure?
Do you know OpenENV?
If you load a geotiff, with OpenENV, the software manage the image
by reduce the number of pixel for each scale.

Thanks!