Make A Graph

Dataset Title:	CRCP_Reef_Fish_Surveys_Flower_Gardens
Institution:	Coral Reef Conservation Program (Dataset ID: CRCP_Reef_Fish_Surveys_Flower_Gardens)
Range:	longitude = -93.82261 to -93.59649°E, latitude = 27.8727 to 27.9096°N, time = 2018-06-11T00:00:00Z to 2018-06-14T00:00:00Z
Information:	Summary \| License \| Metadata \| Background \| Data Access Form

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Constraints	Optional Constraint #1		Optional Constraint #2

Server-side Functions

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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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5286752e+9, 1.5289344e+9;
    String axis "T";
    String calendar "julian";
    String comment "Date the observation was made";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String summary "Date the observation was made";
    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 27.8727, 27.9096;
    String axis "Y";
    String comment "Latitude of secondary sampling unit in decimal degrees.";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String summary "Latitude of secondary sampling unit in decimal degrees.";
    String units "degrees_north";
    Float64 valid_max 27.9096;
    Float64 valid_min 27.8727;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -93.82261, -93.59649;
    String axis "X";
    String comment "Longitude of secondary sampling unit in decimal degrees.";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String summary "Longitude of secondary sampling unit in decimal degrees.";
    String units "degrees_east";
    Float64 valid_max -93.59649;
    Float64 valid_min -93.82261;
  }
  date_utc {
    Float64 actual_range 1.5286752e+9, 1.5289344e+9;
    String comment "Date the observation was made";
    String ioos_category "Time";
    String long_name "Date Utc";
    String summary "Date the observation was made";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  primary_sample_unit {
    Int32 actual_range 7001, 7410;
    String comment "A code indicating the primary sample unit in which a sample was collected.";
    String ioos_category "Location";
    String summary "A code indicating the primary sample unit in which a sample was collected.";
  }
  station_nr {
    Int32 actual_range 1, 1;
    String comment 
"A number indicating the secondary sampling unit within a given primary sample
unit.";
    String ioos_category "Other";
    String summary 
"A number indicating the secondary sampling unit within a given primary sample
unit.";
  }
  sample_depth {
    Float32 actual_range 18.0, 29.0;
    String comment "Sample depth, in meters.";
    String ioos_category "Physical Oceanography";
    String summary "Sample depth, in meters.";
    String units "m";
  }
  underwater_visibility {
    Float32 actual_range 15.0, 70.0;
    String comment "Visibility, in meters, at secondary sampling unit.";
    String ioos_category "Physical Oceanography";
    String summary "Visibility, in meters, at secondary sampling unit.";
    String units "m";
  }
  grid_id {
    Int32 actual_range 4, 352;
    String comment "A number indicating gridded shapefile number";
    String ioos_category "Other";
    String summary "A number indicating gridded shapefile number";
  }
  habitat_cd {
    String comment "A code indicating the habitat type.";
    String ioos_category "Bottom Character";
    String summary "A code indicating the habitat type.";
  }
  habitat_type {
    String comment "Full description of the HABITAT_CD code describing the habitat type";
    String ioos_category "Bottom Character";
    String summary "Full description of the HABITAT_CD code describing the habitat type";
  }
  depth_strat {
    String comment 
"A code indicating less than or greater than 12 meters depths. Caribbean and
GOM regions only.";
    String ioos_category "Other";
    String summary 
"A code indicating less than or greater than 12 meters depths. Caribbean and
GOM regions only.";
  }
  depth_strat_description {
    String comment 
"Full description of the DEPTH_STRAT code indicating which the sample was
collected in less than or greater than 12 meters depth";
    String ioos_category "Other";
    String summary 
"Full description of the DEPTH_STRAT code indicating which the sample was
collected in less than or greater than 12 meters depth";
  }
  sub_region {
    String comment "Code indicating a geographical area in Region";
    String ioos_category "Location";
    String summary "Code indicating a geographical area in Region";
  }
  sub_region_name_description {
    String comment "Description of the geographic area listed in the SUB_RREGION code";
    String ioos_category "Location";
    String summary "Description of the geographic area listed in the SUB_REGION code";
  }
  admin {
    String comment "Code indicating a named managed area";
    String ioos_category "Location";
    String summary "Code indicating a named managed area";
  }
  administration_description {
    String comment "Description of the managed area";
    String ioos_category "Location";
    String summary "Description of the managed area";
  }
  species_nr {
    Int32 actual_range 1, 837;
    String comment "A number indicating the species for a sample.";
    String ioos_category "Taxonomy";
    String summary "A number indicating the species for a sample.";
  }
  species_cd {
    String comment 
"A code indicating the species for a sample. Consists of the first three
letters of the genus and the first four of the species name.";
    String ioos_category "Taxonomy";
    String summary 
"A code indicating the species for a sample. Consists of the first three
letters of the genus and the first four of the species name.";
  }
  scientific_name {
    String comment "Scientific name of the species in the sample";
    String ioos_category "Taxonomy";
    String summary "Scientific name of the species in the sample";
  }
  common_name {
    String comment "Common name of the species in the sample";
    String ioos_category "Taxonomy";
    String summary "Common name of the species in the sample";
  }
  len {
    Int32 actual_range 0, 300;
    String comment "The length, in cm, of a sample.";
    String ioos_category "Biology";
    String summary "The length, in cm, of a sample.";
    String units "cm";
  }
  num {
    Int32 actual_range 0, 400;
    String comment 
"The number of individuals of a given species and length observed in a
secondary sampling unit.";
    String ioos_category "Biology";
    String summary 
"The number of individuals of a given species and length observed in a
secondary sampling unit.";
  }
  time_seen {
    Int32 actual_range 1, 3;
    String comment "A number indicating when, during sampling, an individual was observed.";
    String ioos_category "Biology";
    String summary "A number indicating when, during sampling, an individual was observed.";
  }
  prot {
    Byte actual_range 0, 0;
    String comment 
"A boolean value indicating whether a sample was in a protected area (1), or
not (0).";
    String ioos_category "Location";
    String summary 
"A boolean value indicating whether a sample was in a protected area (1), or
not (0).";
  }
  strat {
    String comment "A code indicating the stratum in which a sample was taken. Differs by region.";
    String ioos_category "Bottom Character";
    String summary "A code indicating the stratum in which a sample was taken. Differs by region.";
  }
  strat_description {
    String comment "Description of the stratum in which a sample was taken.";
    String ioos_category "Bottom Character";
    String summary "Description of the stratum in which a sample was taken.";
  }
  region {
    String comment "A code indicating the region in which a sample was taken.";
    String ioos_category "Location";
    String summary "A code indicating the region in which a sample was taken.";
  }
  region_description {
    String comment "Description of the region in which a sample was taken";
    String ioos_category "Location";
    String summary "Description of the region in which a sample was taken";
  }
  accession_url {
    String comment "url of the landing page of the accession pertaining to the data set";
    String ioos_category "Other";
    String summary "Accession url of the species in the sample";
  }
 }
  NC_GLOBAL {
    String acknowledgment "No use constraints are applicable.";
    String cdm_data_type "Point";
    String contributor_name "Coral Reef Conservation Program";
    String conventions "CF-1.6,ACDD-1.3";
    String creator_email "coralreef@noaa.gov";
    String creator_name "Coral Reef Conservation Program";
    String creator_url "https://coralreef.noaa.gov";
    String date_created "2020-07-15";
    Float64 Easternmost_Easting -93.59649;
    String featureType "Point";
    String featuretype "point";
    Float64 geospatial_lat_max 27.9096;
    Float64 geospatial_lat_min 27.8727;
    String geospatial_lat_resolution "point";
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -93.59649;
    Float64 geospatial_lon_min -93.82261;
    String geospatial_lon_resolution "point";
    String geospatial_lon_units "degrees_east";
    String history 
"2021-10-22T22:38:29Z (local files)
2021-10-22T22:38:29Z https://www.ncei.noaa.gov/tabledap/CRCP_Reef_Fish_Surveys_Flower_Gardens.das";
    String infoUrl "https://www.coris.noaa.gov/monitoring/biological.html";
    String institution "Coral Reef Conservation Program";
    String keywords "corals, coral reef, CoRIS, CRCP";
    String keywords_vocabulary "None";
    String license "No access constraints are applicable.";
    String metadata_conventions "Unidata Dataset Discovery v1.0";
    String naming_authority "gov.noaa.fisheries.www";
    String ncei_template_version "NCEI_NetCDF_Point_Template_v2.0";
    Float64 Northernmost_Northing 27.9096;
    String processing_level "4";
    String program "Coral Reef Conservation Program";
    String publisher_email "ncei_info@noaa.gov";
    String publisher_name "NOAA National Centers for Environmental Information (NCEI)";
    String publisher_url "https://ncei.noaa.gov";
    String references "https://www.fisheries.noaa.gov/national/habitat-conservation/deep-sea-coral-habitat";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 27.8727;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary 
"Assessment of coral reef fish communities in the Flower Garden Banks National
Marine Sanctuary";
    String time_coverage_end "2018-06-14T00:00:00Z";
    String time_coverage_start "2018-06-11T00:00:00Z";
    String title "CRCP_Reef_Fish_Surveys_Flower_Gardens";
    Float64 Westernmost_Easting -93.82261;
  }
}

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://www.ncei.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://www.ncei.noaa.gov/erddap/tabledap/erdGlobecBottle.htmlTable?longitude,latitude,time,bottle_posn,temperature1&time>=2002-08-17T00:00:00Z&time<=2002-08-19T20:18:00Z
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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