Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
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============================================================================== Robb Kambic Unidata Program Center Software Engineer III Univ. Corp for Atmospheric Research rkambic@xxxxxxxxxxxxxxxx WWW: http://www.unidata.ucar.edu/ ============================================================================== ---------- Forwarded message ---------- Date: Tue, 27 Feb 2007 19:07:18 +0100 From: Murray Brown <murraybr@xxxxxxxxxxxxx> To: dmurray@xxxxxxxxxxxxxxxx, satmet.hp <satmet.hp@xxxxxxxxxx> Subject: Re: flow vectors from regular u and v arraysI have a simple Surfer ASCII grid to NetCDF converter if anybody is interested. It's new, and needs testing.
We typically make U and V grids in Surfer, followed by arrow plots in Surfer also. I don't see why you couldn't also use these for a NetCDF route.
If you're looking for good candidate ASCII grid formats to convert to NetCDF, Surfer is obviously a priority, IMHO, and ESRI ArcGrid comes next (ASCII and binary flavors).
Murray Brown ----- Original Message ----- From: "Don Murray" <dmurray@xxxxxxxxxxxxxxxx> To: "satmet.hp" <satmet.hp@xxxxxxxxxx> Sent: Tuesday, February 27, 2007 3:40 PM Subject: Re: flow vectors from regular u and v arrays
Hi HP- satmet.hp wrote:I have files with the u resp v components of regularly spaced wind vectors (ASCII arrays). How can I construct flow vectors.There is no direct ASCII grid reader in the IDV, but it is on our list of things to do. The big problem is deciding on a format. The underlying VisAD library has a method for reading ASCII grids and we are looking at using that as well as a netCDF-Java IOSP. There are a couple of options: - use the VisAD text reader and then try to display the resulting data structure using the Any Field formula and selecting a flow display. - use the GEON-IDV ASCII->netCDF converter described at: http://geon.unavco.org/unavco/IDV_for_GEON_data_converters.html Stu Wier might want to chime in on this since he's the one who developed it. Can you send a sample file to support-idv? Don ************************************************************* Don Murray UCAR Unidata Program dmurray@xxxxxxxxxxxxxxxx P.O. Box 3000 (303) 497-8628 Boulder, CO 80307 http://www.unidata.ucar.edu/staff/donm *************************************************************
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