i'm afraid that you must write codes for youself if you want to do the muti_scale segmentation ！ but there are software such as ENVI EX -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Multi-scale-Segmentation-tp5098067p6354332.html Sent from the Grass - Users mailing list archive at Nabble.com.