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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
> Should work now, > > http://disc2.nascom.nasa.gov:80/dods/_expr_{3B43_V7_accum}{sum(r,time=jan1998,time=feb1998)}{0:60,0:20,0:0,jan1998:jan1998} > I think the level is in-corrected, I am seeing the level = 0 millibar. Is it right? Yuan > On 7/23/2013 8:28 AM, Liu, Zhong (GSFC-610.2)[GEORGE MASON UNIVERSITY] > wrote: > > Yes, there is a problem with our GDS. The syntax is correct. > > As soon as it is fixed, I will let you know. Thanks. -Zhong > > > > On 7/22/2013 4:00 PM, Unidata IDV Support wrote: > >>> Hi Sean, > >>> > >>> Thank you for the quick reply. > >>> > >>> Yes, http://disc2.nascom.nasa.gov/dods/3B43_V7_accum can work and I > >>> tested it before. > >>> > >>> I still don't understand, according to > >>> http://www.iges.org/grads/gds/doc/user.html, the analysis link sent > >>> earlier > >>> should work, otherwise IDV can't display values using "Value Plots". Is > >>> this a bug? > >>> > >>> -Zhogn > >>> > >> You can construct a URL with subset constraints and load to the IDV, but > >> the previous analysis link has syntax error. You can use a browser to > >> verify the syntax of the dods link. > >> > >> > >> Yuan > >>> On 7/22/2013 10:54 AM, Unidata IDV Support wrote: > >>>> Greetings Zhong, > >>>> > >>>> If you are using the IDV, you can just add the dods url (without any > >>>> subsetting parameters) into the url datachooser and let the IDV guide > >>>> you in subsetting your dataset. The URL I used to access your dataset is > >>>> > >>>> http://disc2.nascom.nasa.gov/dods/3B43_V7_accum > >>>> > >>>> (see attached screenshot to see the url datachooser). > >>>> > >>>> There are several kinds of displays you can use, other than > >>>> the typical contour plot. For example, once your data is loaded > >>>> into the IDV, you will be taken to the Field Selector tab of the > >>>> Dashboard. From there, you can select the Display type that you > >>>> would like to create. If you select "Color-shaded Plan View", you > >>>> will get a colored image without contours. Check out the IDV > >>>> gallery for more examples of what the IDV can do: > >>>> > >>>> http://www.unidata.ucar.edu/software/idv/gallery/ > >>>> > >>>> > >>>> > >>>> Cheers, > >>>> > >>>> Sean > >>>> > >>>> > >>>> > >>>>> Hi, > >>>>> > >>>>> I am testing an analysis from our GDSand it looks like, > >>>>> http://disc2.nascom.nasa.gov/dods/_expr_%7B3B43_V7_accum%7D%7Bsum%28r,time=jan1998,time=feb1998%29%7D%7B0:60,0:30,0:0,jan1998:jan1998%7D > >>>>> can work in IDV. But, I am having a difficulty to display the result in > >>>>> IDV (4.0u1). IDV can display the values. > >>>>> > >>>>> Another question is, can IDV display pixels/grids, other than contours? > >>>>> > >>>>> Thanks. > >>>>> > >>>>> -Zhong > >>>>> > >>>>> -- > >>>>> Zhong Liu, Ph.D. > >>>>> address@hidden > >>>>> George Mason University and > >>>>> NASA Goddard Earth Sciences Data and > >>>>> Information Services Center > >>>>> NASA/GSFC, Code 610.2 > >>>>> Greenbelt. MD. 20771 U.S.A. > >>>>> (301) 614-5764 (voice) > >>>>> (301) 614-5268 (fax) > >>>>> http://disc.gsfc.nasa.gov > >>>>> http://disc2.nascom.nasa.gov/Giovanni/tovas/ > >>>>> http://disc.sci.gsfc.nasa.gov/hurricane/trmm_quikscat_analysis.shtml > >>>>> http://disc.sci.gsfc.nasa.gov/agriculture/ais_sup/current_conditions.shtml > >>>>> > >>>>> > >>>>> > >>>> Ticket Details > >>>> =================== > >>>> Ticket ID: VUT-367574 > >>>> Department: Support IDV > >>>> Priority: Normal > >>>> Status: Open > >>> -- > >>> Zhong Liu, Ph.D. > >>> address@hidden > >>> George Mason University and > >>> NASA Goddard Earth Sciences Data and > >>> Information Services Center > >>> NASA/GSFC, Code 610.2 > >>> Greenbelt. MD. 20771 U.S.A. > >>> (301) 614-5764 (voice) > >>> (301) 614-5268 (fax) > >>> http://disc.gsfc.nasa.gov > >>> http://disc2.nascom.nasa.gov/Giovanni/tovas/ > >>> http://disc.sci.gsfc.nasa.gov/hurricane/trmm_quikscat_analysis.shtml > >>> http://disc.sci.gsfc.nasa.gov/agriculture/ais_sup/current_conditions.shtml > >>> > >>> > >> Ticket Details > >> =================== > >> Ticket ID: VUT-367574 > >> Department: Support IDV > >> Priority: Normal > >> Status: Closed > >> > > > > > -- > Zhong Liu, Ph.D. > address@hidden > George Mason University and > NASA Goddard Earth Sciences Data and > Information Services Center > NASA/GSFC, Code 610.2 > Greenbelt. MD. 20771 U.S.A. > (301) 614-5764 (voice) > (301) 614-5268 (fax) > http://disc.gsfc.nasa.gov > http://disc2.nascom.nasa.gov/Giovanni/tovas/ > http://disc.sci.gsfc.nasa.gov/hurricane/trmm_quikscat_analysis.shtml > http://disc.sci.gsfc.nasa.gov/agriculture/ais_sup/current_conditions.shtml > > Ticket Details =================== Ticket ID: VUT-367574 Department: Support IDV Priority: Normal Status: Open