Changes between Version 27 and Version 28 of WKTRaster/SpecificationFinal01


Ignore:
Timestamp:
Aug 27, 2010, 11:59:11 AM (14 years ago)
Author:
pracine
Comment:

—

Legend:

Unmodified
Added
Removed
Modified

  • WKTRaster/SpecificationFinal01

    v27 v28  
    145145 '''Implementation details'''
    146146
    147  This function should be implemented as a SQL or a PL/pgSQL function looking like: 'SELECT ST_geometry(ST_Box2D(rast))'
     147 This function should be implemented as a SQL or a PL/pgSQL function looking like: 'SELECT ST_envelope(ST_ConvexHull(raster))'
    148148
    149149 There is already a ST_raster_envelope() function but this has actually the behavior of the ST_ConvexHull(raster) described below. There is also a ticket (#348) related to this function: http://trac.osgeo.org/postgis/ticket/348