[IDV #TNW-894406]: IDV: Lightning data

> 
> On Feb 28, 2011, at 1:35 PM, Unidata IDV Support wrote:
> 
> > Please see the IDV screen casts located at
> >
> > http://motherlode.ucar.edu/repository/entry/show/RAMADDA/Unidata/Staff/Julien+Chastang/Screen+cast?entryid=91013a46-c12c-4b1c-9f70-b646e27702be
> >
> > called "Dave Light".
> 
> Julien,
> 
> I find this an effective way to communicate some IDV "how to"s. (One 
> drawback, though: your screen is taller (in pixels) than mine , and my 
> browser won't allow me to scale or pan around the image, so the top and 
> bottom are cut off and I can't always make out what menus you're accessing or 
> menu items you're choosing.)
> >
> > I bumble around a bit and also in the second lightning example, I should 
> > have chosen the "NAPLN" data source type, but hopefully this should be 
> > useful to you. Both movies are the same, but under different file formats.
> 
> OK, I think I understand the basic approach, and the default display (done as 
> an animation with 30-minute frame intervals showing all lightning strikes 
> within each 30-minute interval) is something that we can play around with. 
> Saving the plot as a bundle that plots the latest data, or selected data 
> files, while preserving the animation configuration, would make creating a 
> display accessible to most students. (Otherwise there were too many steps to 
> be reasonable for most students.)
> 
> I don't know whether or not you intended the screen captured steps to be a 
> model for how to use our existing IDV v2.9u2 to plot the NLDN data that we're 
> getting from Albany, but it doesn't appear to work--the IDV couldn't read our 
> (binary) files assuming either SSEC lightning data format or (not 
> surprisingly) the NAPLN text file format (details below, in case it matters).
> 
> -- Dave

Dave,
    I created a lightning bundle (attached) for you to experiment the NLDN 
data. When you load the bundle, you need to change the datapath to point to 
your local data set, I would suggest using the file "201106000.ingest" which is 
the one I used in this bundle, the lightning layout model is fade by time, the 
result is very cool.



Yuan
> 
> 
> ************************************************************
> *   Dr. Dave Dempsey                        |       ^   ___       \|/     *
> *   Dept. of Geosciences                    |  ) ^     /||_||\    --0--  *
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> ************************************************************
> 
> "There was an error loading the data:
> Error creating data source:netcdf.point.sseclightning
> with: 
> http://virga.sfsu.edu:8080/repository/entry/show/output:data.opendap/entryid:synth:e83a2159-aefd-4851-be45-20bce32812e7:L25sZG4vMjMvMjAxMTAzODIzMDAubmxkbg==/20110382300.nldn/dodsC/entry.das
> Point obs data source failed making data set: 
> /Users/dempsey/.unidata/idv/DefaultIdv/tmp/ncmltemplate1.ncml
> Unable to make a PointDataset from 
> /Users/dempsey/.unidata/idv/DefaultIdv/tmp/ncmltemplate1.ncml
> Error ="
> 
> Details:
> 
> "ucar.unidata.data.BadDataException: Unable to make a PointDataset from 
> /Users/dempsey/.unidata/idv/DefaultIdv/tmp/ncmltemplate1.ncml
> Error =
> at 
> ucar.unidata.data.point.NetcdfPointDataSource.doMakeDataset(NetcdfPointDataSource.java:282)
> at 
> ucar.unidata.data.point.NetcdfPointDataSource.getDataset(NetcdfPointDataSource.java:252)
> at 
> ucar.unidata.data.point.NetcdfPointDataSource.initAfterCreation(NetcdfPointDataSource.java:209)
> at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1559)
> at 
> ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1998)
> at 
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1915)
> at 
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1849)
> at 
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1822)
> at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943)
> at ucar.unidata.idv.chooser.XmlChooser.makeDataSource(XmlChooser.java:280)
> at 
> ucar.unidata.idv.chooser.ThreddsHandler.processNodes(ThreddsHandler.java:851)
> at ucar.unidata.idv.chooser.ThreddsHandler.doLoad(ThreddsHandler.java:700)
> at ucar.unidata.idv.chooser.XmlChooser.doLoadInThread(XmlChooser.java:717)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at ucar.unidata.util.Misc$2.run(Misc.java:1062)
> at ucar.unidata.util.Misc$3.run(Misc.java:1090)"
> 
> 
> 
> 
> 


Ticket Details
===================
Ticket ID: TNW-894406
Department: Support IDV
Priority: Normal
Status: Open

Attachment: lightningBlueMarble.xidv
Description: Binary data