Changes between Version 3 and Version 4 of UsersWikiwktrasterfunctions

Timestamp:

05/02/10 20:28:24 (15 years ago)

Author:

robe

Comment:

--

UsersWikiwktrasterfunctions

@@ -4 +4 @@
 {{{
 #!sql
+
+-- Example use case: 
+/** SELECT upgis_ptval(r.rast, 1, p.geom) FROM 
+sometableofpts AS p INNER JOIN raster_table As r ON ST_Intersects(p.geom, ST_Envelope(rast))
+
+***/
 CREATE OR REPLACE FUNCTION upgis_ptval(param_rast raster, param_bnum integer, param_pt geometry)
  RETURNS float AS