ERDDAP > tabledap > Make A Graph

Dataset Title:	LTER_EU_IT_015_MEDA2 - CTD
Institution:	UNIGE-DISTAV   (Dataset ID: MEDA2_CTD_TEST)
Range:	longitude = 9.2295 to 9.2295°E, latitude = 44.29667 to 44.29667°N
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form | Files

 

Graph Type:  lines linesAndMarkers markers sticks vectors X Axis:  time time_cet latitude longitude Press Temp Cond Sal Y Axis:  time time_cet latitude longitude Press Temp Cond Sal Color:  time time_cet latitude longitude Press Temp Cond Sal   Constraints Optional Constraint #1 Optional Constraint #2 PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal     != =~ <= >= = < >     != =~ <= >= = < > PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal     != =~ <= >= = < >     != =~ <= >= = < > PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal     != =~ <= >= = < >     != =~ <= >= = < > PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal     != =~ <= >= = < >     != =~ <= >= = < > PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal PLATFORMCODE String_ID time time_cet latitude longitude date hour Press Temp Cond Sal ")   Graph Settings Marker Type:  None Plus X Dot Square Filled Square Circle Filled Circle Up Triangle Filled Up Triangle Borderless Filled Square Borderless Filled Circle Borderless 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 Rainfall ReverseRainbow RedWhiteBlue RedWhiteBlue2 RedWideWhiteBlue Spectrum Topography TopographyDepth WhiteBlueBlack WhiteGreenBlack WhiteRedBlack WhiteBlack YellowRed KT_algae KT_amp KT_balance KT_curl KT_deep KT_delta KT_dense KT_gray KT_haline KT_ice KT_matter KT_oxy KT_phase KT_solar KT_speed KT_tempo KT_thermal KT_turbid EK80  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 outline off Y Axis Minimum:   Maximum:    Ascending Descending Linear Log   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 .dataTable .das .dds .dods .esriCsv .fgdc .geoJson .graph .help .html .htmlTable .iso19115 .itx .json .jsonlCSV1 .jsonlCSV .jsonlKVP .mat .nc .ncHeader .ncCF .ncCFHeader .ncCFMA .ncCFMAHeader .nccsv .nccsvMetadata .ncoJson .odvTxt .parquet .parquetWMeta .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 {
  PLATFORMCODE {
    String actual_range 
"LTER_EU_IT_015_MEDA2
LTER_EU_IT_015_MEDA2";
  }
  String_ID {
    String long_name "String ID";
  }
  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";
  }
  time_cet {
    Float64 actual_range 1.68848191934e+9, 1.77445171918e+9;
    String ioos_category "Time";
    String long_name "Time Cet";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 44.29667, 44.29667;
    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";
    Float32 actual_range 9.2295, 9.2295;
    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";
  }
  date {
    String long_name "Date";
    String source_name "Date";
  }
  hour {
    String long_name "hour";
  }
  Press {
    Float32 actual_range -0.12, 5.22;
    String long_name "Press";
  }
  Temp {
    Float32 actual_range 12.603, 32.0;
    String long_name "Temperature";
  }
  Cond {
    Float32 actual_range 1.37, 61.027;
    String long_name "Cond";
  }
  Sal {
    Float32 actual_range 0.618, 38.514;
    String long_name "Sal.";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting 9.2295;
    Float64 geospatial_lat_max 44.29667;
    Float64 geospatial_lat_min 44.29667;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 9.2295;
    Float64 geospatial_lon_min 9.2295;
    String geospatial_lon_units "degrees_east";
    String history 
"2026-04-03T04:34:18Z (local files)
2026-04-03T04:34:18Z https://erddap.s4raise.it/tabledap/MEDA2_CTD_TEST.das";
    String infoUrl "https://www.raiseliguria.it/spoke-3/";
    String institution "UNIGE-DISTAV";
    String keywords "adcp, Current, Portofino, sea surface velocity";
    String license "CC-BY 4.0";
    Float64 Northernmost_Northing 44.29667;
    String owner "UNIGE-DISTAV";
    String owner_url "https://distav.unige.it/";
    String projects "RAISE";
    String projects_url "https://www.raiseliguria.it/";
    String sensors "meteorological station at 7m amsl";
    String site_code "LTER_EU_IT_015";
    String site_DOI "https://zenodo.org/records/5235692";
    String site_name "LTER-Italy site Marine Area of Portofino Promontory - Italy";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 44.29667;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "LTER_EU_IT_015_MEDA2 - CTD";
    String title "LTER_EU_IT_015_MEDA2 - CTD";
    Float64 Westernmost_Easting 9.2295;
  }
}

 

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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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