Hello. If your vector layer has a numeric field, you can do this: - Add a new field of type DOUBLE - Use the function SQRT in the field calculator so that
NEW_FIELD = SQRT(NUMERIC_FIELD) - In the symbology dialog, choose 'proportional symbol' with your favorite settings. This is what you'll get: http://www.prodevelop.es/files/fm/public/downloads/documents/screenshots/gvsig_desktop/ita.html Circle area (not diameter) is proportional to population. Regards, Juan Lucas Domínguez Rubio --- Prodevelop SL, Valencia (España) Tlf.: 96.351.06.12 -- Fax: 96.351.09.68 http://www.prodevelop.es <http://www.prodevelop.es/> ---
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