Hi James,
You might consider sending the content of your original query. It
looks like you are passing three things to ST_Slope, but the third thing is
supposed to be text, and is interpreted as unknown. Postgre functions are
defined by name and by the input variables, so if you pass the wrong type of
input variable, the function won't be recognized it. You probably need to
cast your third parameter as text (i.e. "::text").
Best,
Steve
Stephen Mather
Geographic Information Systems (GIS) Manager
(216) 635-3243
s...@clevelandmetroparks.com
clevelandmetroparks.com
-----Original Message-----
From: postgis-users-boun...@postgis.refractions.net
[mailto:postgis-users-boun...@postgis.refractions.net] On Behalf Of JamesH
Sent: Tuesday, March 27, 2012 8:16 AM
To: postgis-users@postgis.refractions.net
Subject: Re: [postgis-users] ST_Slope
"Make sure st_slope(rast raster, band integer, pixeltype text) exsit as a
function."
When running the query above, ST_Slope:
'ERROR: function st_slope(raster, integer, unknown) does not exist, No
function matches the given name and argument types. You might need to add
explicit type casts.'
Is there a way to remedy this? There doesn't seem to be a clear answer
anywhere.
Regards,
James
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