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how to show the two field values as a label on features. I have done it for a field called "ErrorDescr" with this i need to show another field values. Other field is "MarkerId"

layer.setCustomProperty("labeling", "pal")
    layer.setCustomProperty("labeling/enabled", "true")
    layer.setCustomProperty("labeling/fontFamily", "Arial")
    layer.setCustomProperty("labeling/fontSize", "10")
    layer.setCustomProperty("labeling/fieldName", "ErrorDescr")
    layer.setCustomProperty("labeling/placement", "2")

is it possible to bring the output like this:

enter image description here

enter image description here

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1 Answer 1

up vote 2 down vote accepted

You need

layer.setCustomProperty("labeling/isExpression", True)

and you can use the expression in the string:

layer.setCustomProperty("labeling/fieldName", "concat(ErrorDescr, Markerid)")
share|improve this answer
    
Thanks Nathan Its working fine. How to add a separator like - , / between ErrorDescr and Markerid? –  venkat May 20 '13 at 11:46
    
concat(ErrorDescr,'-', Markerid) –  Nathan W May 20 '13 at 11:50
    
Thanks a lot. its achieved my requirement –  venkat May 20 '13 at 12:08

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