Hi all. thanks in advance for your assistance. I have a georef vector pdf which is the only source of some polygon and line data I can find. When brought into QGIS the embedded symbology works as expected - polygons fills look correct etc. I can use the info tool and view the derived field embedded symbology and it returns a fill value as a hex colour. What I would like to do is write this derived field value to a new column in the table, so that I can then add in a legend for the colours and change them for gorups of polygons with the same initial colour, merge with another layer etc., I cant figure out a way to expose the derived field in the expression calculator. does anyone have a way? cheers damien
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