On 31 Jul 2015 11:07 am, "Nick Papadonis" <[email protected]> wrote: > > HI Folks, > > I’m trying to use the following expression to pick up the red colored routes on a map in which I used the info pointer tool to get the band values for the color. > > (“m@1" < 238 AND “m@1" > 213 AND “m@2" < 123 AND “m@2" > 98 AND “m@3" < 125 AND “m@3" < 99) * 1
Should that last check be "m@3" > 99? Nyall > > Unfortunately, when this expression is used the resulting map is black with no other pixels for the detected color. > > If I break down this expression to a simple “greater than” line for single band, then things work. > > Does anyone know where this expression needs to be corrected? > > Thanks again, > Nick > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user
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