Hello, I am trying to run SG3d. I get the following error and SG3d will not run. ERROR: GISRC - variable not set Can anyone tell me what this GISRC variable is? Thanks. -Stephen Dzurenko Ocean Mapping Division Ocean Technology Center Graduate School of Oceanography University of Rhode Island ph: 401 792-6853 fx: 401 792-6849 e-mail: steve at ocesun1.oce.uri.edu