[postgis-users] 3D topology nodes?

[Sandro Santilli]

On Tue, Jun 05, 2012 at 02:28:25PM -0400, John Morrison wrote:

> (3) I then walk the a tile's array, inserting topology nodes, then
> edges, then faces to make a triangulated height map (I guess you'd
> call it).  This seems to take about 10 minutes of wall clock time per
> tile (and I have 3700 or so).

Which functions do you use to add nodes, edges, faces ?
Could you instrument your code with clocks to further split those
10 minutes ? See also the log_min_duration_statement directive in
postgresql.conf to get timing of some queries on the backend side.

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