[postgis-users] How can i interchange(swap) the values of a band in postgis raster

[Pierre Racine]

Try something like ST_AddBand(ST_Band(rast, 2), rast, 1)

and have a look at the documentation:

http://postgis.refractions.net/documentation/manual-svn/RT_reference.html

> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> bounces at postgis.refractions.net] On Behalf Of Zelio Fernandes
> Sent: Wednesday, February 15, 2012 4:34 AM
> To: postgis-users at postgis.refractions.net
> Subject: [postgis-users] How can i interchange(swap) the values of a band in
> postgis raster
> 
> How can i interchange(swap) the values of a band in postgis raster.
> 
> for example if there are 4 raster bands in the raster table and suppose if if i want
> to interchange the value of band1 with band2, how do i do it ....i did not find any
> such specific function in postgis 2.0 .......can it be done using
> ST_SetValue???????
> 
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