Make A Graph

Dataset Title:	MONOCLE - Solar-Tracking Radiometry Platform (So-Rad) Data
Institution:	Plymouth Marine Laboratory (Dataset ID: public_sorad_public_view_fp_full_inspire)
Range:	latitude = -90.0 to 90.0°N
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Data Access Form

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Y Axis:

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Constraints	Optional Constraint #1		Optional Constraint #2

Server-side Functions

distinct()

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Graph Settings

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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.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  id {
    String ioos_category "Identifier";
    String long_name "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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -90.0, 90.0;
    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";
    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";
  }
  sample_uuid {
    String ioos_category "Unknown";
    String long_name "Sample Uuid";
  }
  platform_id {
    String ioos_category "Identifier";
    String long_name "Platform Id";
  }
  platform_uuid {
    String ioos_category "Unknown";
    String long_name "Platform Uuid";
  }
  gps_speed {
    String ioos_category "Currents";
    String long_name "Gps Speed";
  }
  rel_view_az {
    String ioos_category "Unknown";
    String long_name "Rel View Az";
  }
  tilt_avg {
    String ioos_category "Unknown";
    String long_name "Tilt Avg";
  }
  tilt_std {
    String ioos_category "Unknown";
    String long_name "Tilt Std";
  }
  license {
    String ioos_category "Unknown";
    String long_name "License";
  }
  fp_n_ind {
    String ioos_category "Statistics";
    String long_name "Fp N Ind";
  }
  nir_offset {
    String ioos_category "Unknown";
    String long_name "Nir Offset";
  }
  wl_grid {
    String ioos_category "Unknown";
    String long_name "Wl Grid";
  }
  rrs {
    String ioos_category "Optical Properties";
    String long_name "RRS";
  }
  lt_sensor {
    String ioos_category "Unknown";
    String long_name "Lt Sensor";
  }
  ls_sensor {
    String ioos_category "Unknown";
    String long_name "Ls Sensor";
  }
  ed_sensor {
    String ioos_category "Unknown";
    String long_name "Ed Sensor";
  }
  lt_wl {
    String ioos_category "Unknown";
    String long_name "LT WL";
  }
  lt_spectrum {
    String ioos_category "Unknown";
    String long_name "Lt Spectrum";
  }
  ls_wl {
    String ioos_category "Unknown";
    String long_name "LS WL";
  }
  ls_spectrum {
    String ioos_category "Unknown";
    String long_name "Ls Spectrum";
  }
  ed_wl {
    String ioos_category "Unknown";
    String long_name "Ed Wl";
  }
  ed_spectrum {
    String ioos_category "Unknown";
    String long_name "Ed Spectrum";
  }
 }
  NC_GLOBAL {
    String acknowledgment "This data was collected with funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 776480.";
    String cdm_data_type "Other";
    String contributor_name "Stefan Simis, stsi@pml.ac.uk; Tom Mansfield, tma@pml.ac.uk";
    String contributor_role "Subject Matter Expert; Data Steward";
    String Conventions "INSPIRE Discovery Services v3.0";
    String date_issued "2023-05-04";
    Float64 geospatial_lat_max 90.0;
    Float64 geospatial_lat_min -90.0;
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String history 
"LINEAGE:
2025-12-06T04:33:49Z (source database)
2025-12-06T04:33:49Z https://erddap.eofrom.space/tabledap/public_sorad_public_view_fp_full_inspire.das";
    String infoUrl "https://rsg.pml.ac.uk/dashboards/d/JUzLKd9nz/monocle-so-rad?orgId=1";
    String institution "Plymouth Marine Laboratory";
    String keywords "aquatic environment, dam, environmental data, environmental monitoring, freshwater, freshwater quality, Inland waters, lagoon, lake, Lake Water Leaving Reflectance, monitoring, remote sensing reflectance, remote sensing., water, water monitoring, water quality, water reservoir";
    String keywords_vocabulary "NVS P02 - SeaDataNet Parameter Discovery Vocabulary";
    String license "CC BY 4.0. Data is freely available for research or commercial use providing that the originators are acknowledged in any publications produced, along with an acknowledgement that this data was collected with funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 776480.";
    Float64 Northernmost_Northing 90.0;
    String project "MONOCLE-So-rad";
    String publisher_email "forinfo@pml.ac.uk";
    String publisher_name "Plymouth Marine Laboratory";
    String publisher_url "https://www.pml.ac.uk/";
    String real_time "true";
    String sourceUrl "(source database)";
    Float64 Southernmost_Northing -90.0;
    String standard_name_vocabulary "P05 (ISO19115 Topics)";
    String summary "The So-Rad is a low-power, low cost autonomous system to obtain high-frequency water-leaving reflectance from non-stationary platforms such as ships and buoys. So-Rad optimizes the measurement geometry of commercially available sensors which increases the number of successful observations of water colour obtained from moving platforms. Hyperspectral water-leaving reflectance is used to determine diagnostic features in water colour that can be associated with phytoplankton biomass, suspended solids and dissolved organic matter concentration. Observing in situ reflectance with sensors on the So-Rad is used to validate satellite observations, particularly the performance of algorithms that separate atmospheric and water-leaving radiance, which have high uncertainty in optically complex waters such as coastal seas and inland waters. High-quality reference measurements are required, collected under optimal observation conditions (solar and viewing azimuth, sun elevation).";
    String title "MONOCLE - Solar-Tracking Radiometry Platform (So-Rad) Data";
  }
}

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.

(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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