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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  NEFSC Continuous Plankton Recorder Subscribe RSS
Institution:  NEFSC   (Dataset ID: wocecpr)
Range: longitude = 316.5654 to 322.8726°E, latitude = 37.1274 to 43.4346°N, time = 1961-07-16T05:00:00Z to 2010-01-17T13:39:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form
 
Graph Type:  ?
X Axis: 
Y Axis: 
Color: 
-1 +1
 
Constraints ? Optional
Constraint #1 ?
Optional
Constraint #2 ?
       
   
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Server-side Functions ?
 distinct() ?
? (" ")
 
Graph Settings
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Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
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or view the URL:
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    Click on the map to specify a new center point. ?
Zoom: 
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[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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -2.670444e+8, 1.26373554e+9;
    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";
  }
  cruise {
    String ioos_category "Identifier";
    String long_name "Sample";
  }
  sample {
    Int32 actual_range 1, 65;
    String ioos_category "Identifier";
    String long_name "Sample";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 37.1274, 43.4346;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 316.5654, 322.8726;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  phyto_color_indx {
    Float32 actual_range 0.0, 6.5;
    String ioos_category "Biology";
    String long_name "Phytoplankton Color Index";
  }
  marmap_tax_code {
    Int32 actual_range 2, 9999;
    String ioos_category "Other";
    String long_name "Marmap Taxonomic Code";
  }
  marmap_stage_code {
    Int32 actual_range 0, 999;
    String ioos_category "Other";
    String long_name "Marmap Stage Code";
  }
  abundance {
    Int32 actual_range -9999, 2142553;
    String ioos_category "Other";
    String long_name "Abundance";
    String units "per 100 cubic meters";
  }
  life_stage {
    String ioos_category "Other";
    String long_name "Life Stage";
  }
  taxonomic_name {
    String ioos_category "Other";
    String long_name "Taxonomic Name";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.4, Unidata Dataset Discovery v1.0, NCCSV-1.0";
    String creator_email "Lynn.Dewitt@noaa.gov";
    Float64 Easternmost_Easting 322.8726;
    Float64 geospatial_lat_max 43.4346;
    Float64 geospatial_lat_min 37.1274;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 322.8726;
    Float64 geospatial_lon_min 316.5654;
    String geospatial_lon_units "degrees_east";
    String history 
"2018-01-18T03:45:55Z (local files)
2018-01-18T03:45:55Z https://oceanview.pfeg.noaa.gov/erddap/tabledap/wocecpr.das
2018-01-22T04:21:07Z (local files)
2018-01-22T04:21:07Z http://coastwatch.pfeg.noaa.gov/tabledap/wocecpr.das";
    String infoUrl "coastwatch.pfeg.noaa.gov/erddap";
    String institution "NEFSC";
    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 Metadata_Conventions "COARDS, CF-1.4, Unidata Dataset Discovery v1.0";
    Float64 Northernmost_Northing 43.4346;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 37.1274;
    String standard_name_vocabulary "CF-12";
    String subsetVariables "cruise,sample,latitude,longitude,taxonomic_name,life_stage,time";
    String summary "A summary for the data";
    String time_coverage_end "2010-01-17T13:39:00Z";
    String time_coverage_start "1961-07-16T05:00:00Z";
    String title "NEFSC Continuous Plankton Recorder";
    Float64 Westernmost_Easting 316.5654;
  }
}

 

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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