Dear Brent, Yes that works for me too !
Sometimes I look for what is familiar and overlook the obvious – a little embarrassing, but I know now . Many thanks Darrel From: Brent Wood [mailto:[email protected]] Sent: 27 November 2015 21:53 To: PostGIS Users Discussion <[email protected]>; Darrel Maddy <[email protected]> Subject: Re: [postgis-users] Help with SQL query? Darrel You can use the logical operators in the QGIS raster calculator as a binary conditional : eg: raster a is used to generate a new raster with default 0, but pixel value=1 where pixels in a have a value >300... use the following operation (a > 300.0) Save the result as a grid rather than a image. It works for me.... Brent
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