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Jimmy -If your data has 0's then you'll have to mask it first let mask_var1 = if var1 gt 0 then var1 let mask_var2 = if var2 gt 0 then var2 Then you can send these into the script ts_frequency William S Kessler wrote: How about taking the log of the data: let log_of_data = log(data) shade log_of_data Billy K ----- Original Message ----- From: jimmyc@iastate.edu Date: Friday, June 10, 2005 10:39 am Subject: Ferret ts_frequency: log of the resultI have 2 datasets of precipitation data on a grid. Both have LOTS of zeros. When I attempt to use ts_frequency the result only shows the 0 0 maximum, in this case the maximum is 16000 points with a shade interval of 2000. Is there a way to log scale the resulting values so the smaller numbers show up? I believe the smaller numbers are on the order of tens to hundreds so the log plot would make this very nice if I could have the shade interval be 1 to 4. Thanks for any help. -- James Correia Jr. Ph.D. Candidate in Agricultural Meteorology President of the ISU Graduate Meteorology Club Dept. of Agronomy, Iowa State University ********************************************* Email: jimmyc@iastate.edu Phone: 515-294-5587 Web: http://www.mesoscale.iastate.edu/jimmyc/ ISU GMC: http://www.stuorg.iastate.edu/gmc/ ********************************************* "There is a difference between knowing the path and walking the path" -"Morpheus" "If you can't make it clear, you don't understand it yourself." -Melvin Cohn |