This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Couple of questions: > > 1-I didn't see anything that resembles lightning strength which is in KA > unit. Can I add a new physical quantity? Yes. > > 2-How do I display lightning data? From the documents I read, it says to > contact you guys. I wanted to see the lightning data displayed so that I can > get an idea of what it looks like. > I am not sure which document you are referring, can you also send me a sample file? Yuan > Thanks again for all your help. > > > --- On Mon, 9/13/10, Unidata IDV Support <address@hidden> wrote: > > > From: Unidata IDV Support <address@hidden> > > Subject: [IDV #EZH-812048]: csv file parameters > > To: address@hidden > > Cc: address@hidden > > Date: Monday, September 13, 2010, 12:37 PM > > > Hi, > > > > > > I'm using the index header on my csv file so that I > > don't have to set the fields in the Text Point Metadata Gui > > and instead, have IDV display the data automatically. But > > even if I didn't do that and used the metadata gui, I still > > need to know what parameter matches with what field from the > > point data. For example, for a lightning flash data, there > > are two fields called strength and number of strokes. What > > would be the parameter name and unit that I should use when > > setting them in the metadata gui? What about cloud coverage > > field from a Metar point data? > > > So basically what I need is a list of all the > > parameters for point data that IDV recognizes and a brief > > description of what they are so I know which field they > > match to. Hopefully this is a better description of my > > problem. Thanks again, I appreciate your help. > > > > Hi Sung Jin, > > If I understand your > > question correctly this time, what you want is to add these > > parameters to the Alias table of the IDV. If so, you can use > > the editor: Tools > Parameters Alias Editor, to add them > > to the User aliases table. This can do the match you are > > expecting. > > Let me know if you need more help. > > > > Yuan > > > > > > > > > > > > --- On Fri, 9/10/10, Unidata IDV Support <address@hidden> > > wrote: > > > > > > > From: Unidata IDV Support <address@hidden> > > > > Subject: [IDV #EZH-812048]: csv file parameters > > > > To: address@hidden > > > > Cc: address@hidden > > > > Date: Friday, September 10, 2010, 3:15 PM > > > > > Hi, > > > > > > > > > > I'm trying to display surface observation > > data > > > > (Ex:Metar, Lightning, OMO, > > > > > MotionVector, etc) using IDV. My data is in > > xml format > > > > so I'm trying > > > > > to convert it to csv since IDV supports csv > > files. I > > > > was wondering if > > > > > there is a document somewhere that have a > > list of all > > > > the parameters and > > > > > their respective units that can be included > > in a csv > > > > file. And also, > > > > > what they map to. For example: > > parameter=Latitude, > > > > unit=degrees, maps > > > > > to= wind speed in a Metar report > > parameter=SPD, > > > > unit=m/s, maps to = > > > > > wind speed in a Metar report > > > > > > > > > > I was able to figure out some of the > > parameters and > > > > what they map > > > > > to but some of them I just have no idea > > which data > > > > they map to like > > > > > wxc1,wxc2,P24,PCP,PSL,ZCL1,CIGC,CC1 and so > > on. > > > > > > > > Hi Sung Jin, > > > > I think I don't fully understand your > > > > question here. There is not any mapping you need > > to worry > > > > about for the CSV point data, we do require the > > lat, lon, > > > > and time for each point, and you don't need to > > include > > > > parameter name and unit, unless you know how to > > set up the > > > > index header. Here is the url for the point > > data: > > > > > > > > http://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplays/point/TextPointData.html > > > > > > > > let me know if you need more help. > > > > > > > > > > > > Yuan > > > > > I appreciate any help you can give me, > > Thanks again. > > > > > > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > > > =================== > > > > Ticket ID: EZH-812048 > > > > Department: Support IDV > > > > Priority: Normal > > > > Status: Closed > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: EZH-812048 > > Department: Support IDV > > Priority: Normal > > Status: Closed > > > > > > > > > Ticket Details =================== Ticket ID: EZH-812048 Department: Support IDV Priority: Normal Status: Open