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Hi Stu- > Institution: UNAVCO > Package Version: 1.3b1 > Operating System: linux > Hardware Information: usual > Inquiry: 1. is there a way to signal demand for stereo drivers, say in the > command line? If the video card is set up for stereo, the IDV should automatically set up for stereo mode in versions 1.3b1 and lower. The one thing that sometimes doesn't seem to work is that it doesn't go into perspective mode automatically. In that case, you need to manually put it into perspective mode. You could save that as your default bundle and it should unpersist with perspective mode on. Or create a "stereo" bundle that you could load in which would do the same thing. Since we don't have a stereo system here, it's hard to test. In version 1.3b2, you must explicitly change the runIDV script to change -Dapplication.enableStereo=false to -Dapplication.enableStereo=true. There is a note in the FAQ about that: http://www.unidata.ucar.edu/software/idv/docs/userguide/Faq.html under the Video Card section. > 2. is there a way to have a sequence of times for 3D grid of data, with each > time in one netcdf file? You should be able to do this with the aggregation features of NcML if the files are uniform in structure. See the docs at: http://www.unidata.ucar.edu/software/netcdf/ncml/v2.2/Aggregation.html You'd need to use version 1.3b2 for this. By default, if the file name ends in ncml, it should open it as a grid. If not, then set the Data Source Type. Don Murray Ticket Details =================== Ticket ID: YWT-968930 Department: Support IDV Priority: Normal Status: Open