raster band failed

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raster band failed

orkun

​hello

I am trying to create a raster band that cont​ains slope values.

I used this code, but failed

--UPDATE o_20_trdem22 SET rast = ST_AddBand( rast, ST_Slope(
--            ST_AddBand(
--               rast,
--                        '8BUI'::text, 1, 0
--                      )
--   , 1, '8BUI') )
​what should I have done ?

regards​


--
Ahmet Temiz
Jeoloji Müh.
Afet ve Acil Durum Yönetimi Başkanlığı
Bilgi İşlem  Dairesi Başkanlığı-CBS Grubu


________________________

Ahmet Temiz
Geological Eng.
Information Systems - GIS Group
Disaster and Emergency Management
of Presidency

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