Make A Graph

Dataset Title:	AMIS_DigTwin_Camogli_Libeccio_20111216_punti_utm32n_original
Institution:	Consorzio LaMMA (Dataset ID: amis_digtwin_camogli_libeccio_20111216_punti_utm32n_original)
Information:	Summary \| License \| Metadata \| Background \| Data Access Form \| Files

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Graph Type:
X Axis:
Y Axis:
Color:

Dimensions

Start

Stop

time (UTC)

points (count)

specify just 1 value →

Graph Settings

Marker Type:

Size:

Color:

Color Bar:

Continuity:

Scale:

Minimum:

Maximum:

N Sections:

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:
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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:

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.3239901e+9, 1.324062e+9;
    String amis_unita_originali "seconds since 2011-12-16 +1";
    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";
  }
  points {
    Int16 actual_range 0, 8;
    String ioos_category "Identifier";
    String long_name "indice del punto (vedi attributo amis_punti)";
    String units "count";
  }
  point_H {
    String ioos_category "Other";
    String long_name "Hrms wave height based on instantaneous wave energy";
    String units "m";
  }
  point_thetamean {
    String ioos_category "Other";
    String long_name "mean wave angle";
    String standard_name "sea_surface_wind_wave_to_direction";
    String units "rad";
  }
  point_L1 {
    String ioos_category "Other";
    String long_name "wave length (used in dispersion relation)";
    String units "m";
  }
  point_xz {
    String ioos_category "Location";
    String long_name "x-coord. comp. grid (positive shoreward, perp. to coastline)";
    String standard_name "projection_x_coordinate";
    String units "m";
  }
  point_yz {
    String ioos_category "Location";
    String long_name "y-coord. comp. grid";
    String standard_name "projection_y_coordinate";
    String units "m";
  }
  point_zs {
    String ioos_category "Sea Level";
    String long_name "water level";
    String standard_name "sea_surface_height_above_sea_level";
    String units "m";
  }
  NC_GLOBAL {
    String amis_file_origine "/DATA/DATI_AMIS/camogli/Libeccio/Camogli_Libeccio_16-12-2011_serie.nc";
    String amis_griglia "griglia originale del modello XBeach, curvilinea e ruotata: gli assi nx, ny sono indici di griglia; le coordinate dei punti sono nelle variabili globalx, globaly (metri)";
    String amis_mareggiata_data "2011-12-16";
    String amis_mareggiata_direzione "Libeccio";
    String amis_punti "0: point001 (x 512020.39, y 4909916.05); 1: point002 (x 511881.48, y 4910507.39); 2: rugau001 (x 511991.31, y 4910681.62); 3: rugau002 (x 512015.78, y 4910662.44); 4: rugau003 (x 512075.97, y 4910614.15); 5: rugau004 (x 512150.72, y 4910552.64); 6: rugau005 (x 512185.11, y 4910519.57); 7: rugau006 (x 512206.28, y 4910488.48); 8: rugau007 (x 511939.71, y 4910735.86)";
    String amis_sistema_coordinate "UTM 32N (EPSG:32632), verificato sul primo angolo della griglia (9.13 E, 44.33 N)";
    String amis_sito "Camogli";
    String Build_Date "14-04-2021 12:19:55";
    String Build_Revision "5834";
    String cdm_data_type "Grid";
    String Conventions "CF-1.4, COARDS, ACDD-1.3";
    String creator_name "Consorzio LaMMA";
    String creator_type "institution";
    String creator_url "https://www.lamma.toscana.it/";
    String history 
"2026-11-15T00:51:19Z (local files)
2026-11-15T00:51:19Z https://erddap.lamma.toscana.it/griddap/amis_digtwin_camogli_libeccio_20111216_punti_utm32n_original.das";
    String infoUrl "https://www.lamma.toscana.it/";
    String institution "Consorzio LaMMA";
    String keywords "AMIS, Camogli, Digital Twin, Libeccio, mareggiata, point_H, point_L1, point_thetamean, point_xz, point_yz, point_zs, XBeach";
    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 Producer "XBeach littoral zone wave model (http://www.xbeach.org)";
    String project "AMIS Digital Twin";
    String sourceUrl "(local files)";
    String summary "AMIS Digital Twin, Camogli: simulazione XBeach (surfbeat) della mareggiata di Libeccio del 2011-12-16. Serie temporali ad alta frequenza nei punti di uscita del modello (vedi attributo amis_punti). Griglia originale del modello; tempi in UTC.";
    String time_coverage_end "2011-12-16T19:00:00Z";
    String time_coverage_start "2011-12-15T23:01:40Z";
    String title "AMIS_DigTwin_Camogli_Libeccio_20111216_punti_utm32n_original";
    String URL "http://svn.oss.deltares.nl/repos/xbeach/trunk/";
  }
}

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its projection 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. It makes 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.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.