GLERL ERDDAP
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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  Images, VIIRS, Nighttime SST, 2015-now, Great Lakes Subscribe RSS
Institution:  NOAA GLERL   (Dataset ID: glerl_p_i_vs7)
Range: time = 2015-09-14T06:20:00Z to 2018-11-11T09:00:00Z
Information:  Summary ? | License ? | Metadata | Background (external link) | Subset | Data Access Form | Files
 
Graph Type:  ?
X Axis: 
Y Axis: 
Color: 
-1 +1
 
Constraints ? Optional
Constraint #1 ?
Optional
Constraint #2 ?
       
       
       
       
       
 
Server-side Functions ?
 distinct() ?
? (" ")
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    Time range:    <<    -              
[The graph you specified. Please be patient.]

 

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  url {
    String ioos_category "Identifier";
    String long_name "URL";
  }
  name {
    String ioos_category "Identifier";
    String long_name "File Name";
  }
  fileType {
    String ioos_category "Identifier";
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  lastModified {
    String ioos_category "Time";
    String long_name "Last Modified";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  size {
    String ioos_category "Other";
    String long_name "Size";
    String units "bytes";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String creator_email "cw.glerl@noaa.gov";
    String creator_name "NOAA GLERL";
    String creator_url "https://coastwatch.glerl.noaa.gov";
    String history 
"2018-11-15T19:49:50Z (local files)
2018-11-15T19:49:50Z http://coastwatch.glerl.noaa.gov/tabledap/glerl_p_i_vs7.das";
    String infoUrl "https://coastwatch.glerl.noaa.gov";
    String institution "NOAA GLERL";
    String keywords "coastwatch, data, file, fileType, GLERL, great, great lakes, identifier, lake, lakes, lastModified, modified, name, night, nighttime, NOAA, sea, size, SST, Suomi, Suomi-NPP, surface, temperature, time, VIIRS";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String sourceUrl "(local files)";
    String subsetVariables "fileType";
    String summary ".png and .tif image files with nighttime Sea Surface Temperature (SST) data from the Visible and Infrared Imager/Radiometer Suite (VIIRS) aboard the National Oceanic and Atmospheric Administration (NOAA) Suomi-NPP Satellite.";
    String title "Images, VIIRS, Nighttime SST, 2015-now, Great Lakes";
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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