Hello !! fGIS is a free GIS software edited by the University of Wisconsin. I am trying to use it for mapping animal populations on delimited areas. I would like to use different symbols for each class (0, from 1 to 10, from 11 to 20, asa). The software enables me to make 2 types of chart (BAR and PIE). I would like to use a triangle, a star or a square. If somebody has used this soft and knows how to display others symbols, thanks to tell me how.