ERDDAP > tabledap > Make A Graph

Dataset Title:	55042 - Tasman Sea 2 - 1175km ESE of Hobart
Institution:	Australian Bureau of Meteorology   (Dataset ID: au_weather_55042)
Range:	longitude = 161.728 to 161.728°E, latitude = -44.853 to -44.853°N, time = 2015-05-05T12:15:00Z to 2019-12-10T18:00:00Z
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form

 

Graph Type:  lines linesAndMarkers markers sticks vectors X Axis:  time latitude longitude z sea_floor_depth_below_sea_surface Y Axis:  time latitude longitude z sea_floor_depth_below_sea_surface Color:  time latitude longitude z sea_floor_depth_below_sea_surface   Constraints Optional Constraint #1 Optional Constraint #2 time latitude longitude z sea_floor_depth_below_sea_surface station     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude z sea_floor_depth_below_sea_surface station     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude z sea_floor_depth_below_sea_surface station     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude z sea_floor_depth_below_sea_surface station     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude z sea_floor_depth_below_sea_surface station     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax (" time latitude longitude z sea_floor_depth_below_sea_surface station time latitude longitude z sea_floor_depth_below_sea_surface station time latitude longitude z sea_floor_depth_below_sea_surface station time latitude longitude z sea_floor_depth_below_sea_surface station ")   Graph Settings Marker Type:  None Plus X Dot Square Filled Square Circle Filled Circle Up Triangle Filled Up Triangle  Size:  3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Color:  Color Bar:  BlackBlueWhite BlackGreenWhite BlackRedWhite BlackWhite BlueWhiteRed BlueWideWhiteRed LightRainbow Ocean OceanDepth Rainbow Rainbow2 ReverseRainbow RedWhiteBlue RedWideWhiteBlue Spectrum Topography TopographyDepth WhiteBlueBlack WhiteGreenBlack WhiteRedBlack WhiteBlack  Continuity:  Continuous Discrete  Scale:  Linear Log    Minimum:   Maximum:   N Sections:  2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Draw land mask:  under over Y Axis Minimum:   Maximum:   Ascending:  ascending descending   Redraw the Graph (Please be patient. It may take a while to get the data.)   Optional: Then set the File Type: .asc .csv .csvp .csv0 .das .dds .dods .esriCsv .fgdc .geoJson .graph .help .html .htmlTable .iso19115 .itx .json .jsonlCSV .jsonlKVP .mat .nc .ncHeader .ncCF .ncCFHeader .ncCFMA .ncCFMAHeader .nccsv .nccsvMetadata .ncoJson .odvTxt .subset .tsv .tsvp .tsv0 .wav .xhtml .kml .smallPdf .pdf .largePdf .smallPng .png .largePng .transparentPng (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: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 second(s) minute(s) hour(s) day(s) month(s) year(s)

 

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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:

• Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
• Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.
   

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4308281e+9, 1.5760008e+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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -44.853, -44.853;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range 161.728, 161.728;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  z {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Z";
    String positive "up";
    String standard_name "height";
    String units "m";
  }
  sea_floor_depth_below_sea_surface {
    Float64 _FillValue -9999.99;
    String id "381140";
    String ioos_category "Other";
    String long_name "Sea Floor Depth Below Sea Surface";
    Float64 missing_value -9999.99;
    String platform "station";
    String standard_name "sea_floor_depth_below_sea_surface";
    String units "m";
    String urn "http://mmisw.org/ont/cf/parameter/sea_floor_depth_below_sea_surface";
  }
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String ioos_code "urn:ioos:station:com.axiomdatascience:42078";
    String long_name "55042 - Tasman Sea 2 - 1175km ESE of Hobart";
    String short_name "urn:ioos:station:au.weather:55042";
    String type "buoy";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "sea_floor_depth_below_sea_surface";
    String contributor_email ",feedback@axiomdatascience.com";
    String contributor_name "World Meteorological Organization (WMO),Axiom Data Science";
    String contributor_role "contributor,processor";
    String contributor_role_vocabulary "CI_RoleCode";
    String contributor_url "https://www.wmo.int/pages/prog/amp/mmop/wmo-number-rules.html,https://www.axiomdatascience.com";
    String Conventions "IOOS-1.2, CF-1.6, ACDD-1.3, NCCSV-1.0";
    String creator_country "AUS";
    String creator_email "None";
    String creator_institution "Australian Bureau of Meteorology";
    String creator_name "Australian Bureau of Meteorology";
    String creator_sector "gov_federal";
    String creator_type "institution";
    String creator_url "http://www.bom.gov.au/";
    Float64 Easternmost_Easting 161.728;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max -44.853;
    Float64 geospatial_lat_min -44.853;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 161.728;
    Float64 geospatial_lon_min 161.728;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"Downloaded from NOAA National Data Buoy Center (NDBC) at 
2019-12-11T04:08:18Z https://sensors.axds.co/api/
2019-12-11T04:08:18Z http://erddap.sensors.ioos.us/tabledap/au_weather_55042.das";
    Int32 id 42078;
    String info_url "https://sensors.ioos.us/?sensor_version=v2#metadata/42078/station";
    String infoUrl "https://sensors.ioos.us/?sensor_version=v2#metadata/42078/station";
    String institution "Australian Bureau of Meteorology";
    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 naming_authority "com.axiomdatascience";
    Float64 Northernmost_Northing -44.853;
    String platform "buoy";
    String platform_vocabulary "http://mmisw.org/ont/ioos/platform";
    String publisher_country "USA";
    String publisher_email "webmaster.ndbc@noaa.gov";
    String publisher_institution "NOAA National Data Buoy Center (NDBC)";
    String publisher_name "NOAA National Data Buoy Center (NDBC)";
    String publisher_sector "gov_federal";
    String publisher_type "institution";
    String publisher_url "https://www.ndbc.noaa.gov/";
    String references "https://www.ndbc.noaa.gov/station_page.php?station=55042,,";
    String sourceUrl "https://sensors.axds.co/api/";
    Float64 Southernmost_Northing -44.853;
    String standard_name_vocabulary "NetCDF Climate and Forecast (CF) Metadata Convention Standard Name";
    String summary "Timeseries data from '55042 - Tasman Sea 2 - 1175km ESE of Hobart' (urn:ioos:station:au.weather:55042)";
    String time_coverage_end "2019-12-10T18:00:00Z";
    String time_coverage_start "2015-05-05T12:15:00Z";
    String title "55042 - Tasman Sea 2 - 1175km ESE of Hobart";
    Float64 Westernmost_Easting 161.728;
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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