Saturday, 16 January 2016

QGIS 2.6 summarizing area (m²) for current atributes


If I have a code for each polygon and I have counted the area in m² for each of them (all this information is in single columns). How can I summarize these areas by codes (for example summarize all areas with code 100 etc.) in QGIS 2.6.1.?





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