GEOS-5

Recipe: Visualize OPeNDAP data using Panoply: Difference between revisions

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By accessing the collection <code>inst01hr_3d_T_Cv</code> via the OPeNDAP server
By accessing the collection <code>inst01hr_3d_T_Cv</code> via the OPeNDAP server
  http://opendap.nccs.nasa.gov/dods/OSSE/G5NR/Ganymed/7km
  https://opendap.nccs.nasa.gov/dods/OSSE/G5NR/Ganymed/7km


we want to plot the air temperature data at the surface for 2006/Sep/18, 9z using panoply.
we want to plot the air temperature data at the surface for 2006/Sep/18, 9z using panoply.
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Panoply (v 4.0.5) is a cross-platform application that plots geo-gridded and other arrays from NetCDF, HDF, GRIB, and other datasets. For more information, please see
Panoply (v 4.0.5) is a cross-platform application that plots geo-gridded and other arrays from NetCDF, HDF, GRIB, and other datasets. For more information, please see


  http://www.giss.nasa.gov/tools/panoply/
  https://www.giss.nasa.gov/tools/panoply/


Once <code>panoply</code> is installed, it can be launched from the command line via
Once <code>panoply</code> is installed, it can be launched from the command line via
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To access the collection <code>inst01hr_3d_T_Cv</code> from the OPeNDAP server, we click on File -> 'Open Remote Dataset' and enter the url
To access the collection <code>inst01hr_3d_T_Cv</code> from the OPeNDAP server, we click on File -> 'Open Remote Dataset' and enter the url
  http://opendap.nccs.nasa.gov:80/dods/OSSE/G5NR/Ganymed/7km/0.5000_deg/inst/inst01hr_3d_T_Cv
  https://opendap.nccs.nasa.gov:80/dods/OSSE/G5NR/Ganymed/7km/0.5000_deg/inst/inst01hr_3d_T_Cv


in the input box and click on 'Load'. This leads to the display
in the input box and click on 'Load'. This leads to the display


To load the downloaded data file click on File -> Open... and from the file browser we choose the file. Opening the file leads to the display
[[Image:Panoply_data_dap.png|500px]]


[[Image:Panoply_data.png|500px]]
Here, we select our variable, <code>t</code>, from the 'Datasets' tab and click on 'Create Plot'. To plot the surface air temperature for 2006-09-18, 9z, we select that date and Altitude 72 from the 'Array(s)' tab and check the box 'Always fit to data' box in the 'Scale' tab resulting in
 
Here, we select our variable, <code>T</code>, from the 'Datasets' tab and click on 'Create Plot'. In the new window that appears, we select the first option 'Create geogridded Longitude-Latitude plot' and click on 'Create'. To plot the air temperature at the surface (level=72), in the 'Array(s)' Tab we set the 'Vertical level:' to 72 and check the 'Always fit to data' box in the 'Scale' tab resulting in


[[Image:Panoply_temperature.png|500px]]
[[Image:Panoply_temperature.png|500px]]
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