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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  NewTrajectories Subscribe RSS
Institution:  UofM   (Dataset ID: csvTest_fd72_6f19_0635)
Range: longitude = -63.98764 to -55.99096°E, latitude = 67.995 to 70.51318°N, depth = 127.0 to 2216.0m, time = 2016-06-09T00:00:00Z to 2016-07-10T00:00:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | 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() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   
 
(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 ? )
    Click on the map to specify a new center point. ?
Zoom: 
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 {
  project_name {
    String ioos_category "Identifier";
    String long_name "Project Name";
  }
  platform_name {
    String ioos_category "Unknown";
    String long_name "Platform Name";
  }
  Cruise {
    String ioos_category "Unknown";
    String long_name "Cruise";
  }
  Station {
    String ioos_category "Identifier";
    String long_name "Station";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4654304e+9, 1.4681088e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Sample Date";
    String source_name "sample_date";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 67.995, 70.51318;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -63.98764, -55.99096;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Longitude_east {
    Float64 actual_range 296.01236, 304.00904;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Cast {
    Int16 actual_range 3, 201;
    String ioos_category "Unknown";
    String long_name "Cast";
  }
  Bottle {
    Byte actual_range 1, 24;
    String ioos_category "Unknown";
    String long_name "Bottle";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Int16 actual_range 127, 2216;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  sample_depth_m {
    Float32 actual_range 0.6, 2050.9;
    String ioos_category "Location";
    String long_name "Sample Depth M";
  }
  NO2_um_l {
    Float32 actual_range 0.0, 0.69;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Nitrite In Sea Water";
    String standard_name "mole_concentration_of_nitrite_in_sea_water";
  }
  NO2_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "NO2 Result Value Qualifier";
  }
  NO3_um_l {
    Float32 actual_range 0.0, 28.48;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Nitrate In Sea Water";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
  }
  NO3_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "NO3 Result Value Qualifier";
  }
  SiOx_um_l {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 131.44;
    String ioos_category "Dissolved Nutrients";
    String long_name "Si Ox Um L";
  }
  SiOx_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Si Ox Result Value Qualifier";
  }
  PO4_Filt_um_l {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 2.19;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mass Concentration Of Phosphate In Sea Water";
    String standard_name "mass_concentration_of_phosphate_in_sea_water";
  }
  PO4_Filt_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "PO4 Filt Result Value Qualifier";
  }
  NH4_um_l {
    Float32 _FillValue NaN;
    Float32 actual_range -0.03, 1.14;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Ammonium In Sea Water";
    String standard_name "mole_concentration_of_ammonium_in_sea_water";
  }
  NH4_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "NH4 Result Value Qualifier";
  }
  DissInorgN_um_l {
    Float32 actual_range 0.0, 28.49;
    String ioos_category "Statistics";
    String long_name "Diss Inorg N Um L";
  }
  DissInorgN_result_value_qualifier {
    String ioos_category "Statistics";
    String long_name "Diss Inorg N Result Value Qualifier";
  }
  Type {
    String ioos_category "Unknown";
    String long_name "Type";
  }
  o_18O_Per_mille {
    Float32 _FillValue NaN;
    Float32 actual_range -2.55, 0.42;
    String ioos_category "Unknown";
    String long_name "O 18 O Per Mille";
  }
  o_18O_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "O 18 O Result Value Qualifier";
  }
  DIC_um_l {
    Float64 _FillValue NaN;
    Float64 actual_range 1033.456781, 2279.202407;
    String ioos_category "Unknown";
    String long_name "DIC Um L";
  }
  DIC_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "DIC Result Value Qualifier";
  }
  TotAlk_l_um_l {
    Float64 _FillValue NaN;
    Float64 actual_range 2176.049081, 2315.238146;
    String ioos_category "Unknown";
    String long_name "Tot Alk L Um L";
  }
  TotAlk_l_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "Tot Alk L Result Value Qualifier";
  }
  SalinomSal_psu {
    Float64 _FillValue NaN;
    Float64 actual_range 31.74609005, 34.66143506;
    String ioos_category "Salinity";
    String long_name "Salinom Sal Psu";
  }
  SalinomSal_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "Salinom Sal Result Value Qualifier";
  }
  Pressure {
    Float32 actual_range 191.665, 191.665;
    String ioos_category "Pressure";
    String long_name "Pressure";
  }
  Temperature {
    Float32 actual_range 5.1463, 5.1463;
    String ioos_category "Temperature";
    String long_name "Temperature";
  }
  Salinity {
    Float32 actual_range 34.0867, 34.0867;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  TEST {
    Byte actual_range 0, 0;
    String ioos_category "Unknown";
    String long_name "TEST";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "UofM";
    Float64 Easternmost_Easting -55.99096;
    String featureType "Point";
    Float64 geospatial_lat_max 70.51318;
    Float64 geospatial_lat_min 67.995;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -55.99096;
    Float64 geospatial_lon_min -63.98764;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2216.0;
    Float64 geospatial_vertical_min 127.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2021-10-24T06:19:42Z (local files)
2021-10-24T06:19:42Z http://CanWINerddap.ad.umanitoba.ca/tabledap/csvTest_fd72_6f19_0635.das";
    String infoUrl "???";
    String institution "UofM";
    String keywords "alk, altimetry, ammonia, ammonium, bottle, cast, chemistry, concentration, cruise, data, date, density, depth, dic, DIC_result_value_qualifier, DIC_um_l, diss, DissInorgN_result_value_qualifier, DissInorgN_um_l, dissolved, dissolved nutrients, earth, Earth Science > Oceans > Ocean Chemistry > Ammonia, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > Phosphate, Earth Science > Oceans > Salinity/Density > Salinity, filt, identifier, inorg, laboratory, latitude, longitude, Longitude_east, mass, mass_concentration_of_phosphate_in_sea_water, mille, mole, mole_concentration_of_ammonium_in_sea_water, mole_concentration_of_nitrate_in_sea_water, mole_concentration_of_nitrite_in_sea_water, n02, name, newtrajectories, nh4, NH4_result_value_qualifier, NH4_um_l, nitrate, nitrite, no2, NO2_result_value_qualifier, NO2_um_l, no3, NO3_result_value_qualifier, NO3_um_l, nutrients, o_18O_Per_mille, o_18O_result_value_qualifier, ocean, oceans, per, phosphate, platform, platform_name, po4, PO4_Filt_result_value_qualifier, PO4_Filt_um_l, practical, pressure, project, project_name, psu, qualifier, result, sal, salinity, salinom, SalinomSal_psu, SalinomSal_result_value_qualifier, sample, sample_depth_m, satellite, science, sea, sea_water_practical_salinity, seawater, SiOx_result_value_qualifier, SiOx_um_l, station, statistics, temperature, test, time, tot, TotAlk_l_result_value_qualifier, TotAlk_l_um_l, type, unit, uofm, value, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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.";
    Float64 Northernmost_Northing 70.51318;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 67.995;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "project_name, platform_name, Cruise, NO2_result_value_qualifier, NO3_result_value_qualifier, DissInorgN_result_value_qualifier, Type, Pressure, Temperature, Salinity, TEST";
    String summary "NewTrajectories. UofM data from a local source.";
    String time_coverage_end "2016-07-10T00:00:00Z";
    String time_coverage_start "2016-06-09T00:00:00Z";
    String title "NewTrajectories";
    Float64 Westernmost_Easting -63.98764;
  }
}

 

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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