Hi, This is Jeff. Another thing you can do is to cap limit the image size, described here: http://www.unidata.ucar.edu/software/IDV/docs/userguide/misc/PerformanceTuning.html#maxsize Basically, it will read in the full resolution data but will subsample it before trying to render. -Jeff Ticket Details =================== Ticket ID: ORR-818090 Department: Support IDV Priority: Normal Status: Closed