Hi Julian, It is called classification - se in the training manual http://docs.qgis.org/2.2/en/docs/training_manual/vector_classification/index.html
Lene Fischer Associate Professor Department of Geosciences and Natural Resource Management University of Copenhagen MOB +45 40115084 [email protected]<mailto:[email protected]> [SCIENCE_bomaerke_UK] Fra: [email protected] [mailto:[email protected]] På vegne af Julian Schall Sendt: 23. juli 2014 12:04 Til: [email protected] Emne: [Qgis-user] Style menu: data-defined color Hi, maybe a simple question, but I couldn't find the answer on my own: How can I automatically change the color of polygons by the content of an attribute table column? For Example: Polygonlayer with 3 objects. Object 1 and 2 have "value1" in the column "value" and object 3 has "value3" there. Now QGIS should fill polygon 1 and 2 in one color and polygon 3 in another. I tried it with data-defined properties-->check color and choose "value" for field but then all polygons are black. Do I have to write a special expression? Thanks for help! Regards Julian
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