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ERDDAP > griddap > Make A Graph ?

Dataset Title:  NYHOPS New York Bight Subdomain, NYHOPS Forecast Collection for the New York
Bight, NYHOPS Forecast Collection for the New York Bight, Forecast Model Run
Collection (2D time coordinates) [ypos][xpos]
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Institution:  Stevens Institute of Technology   (Dataset ID: stevens_tech_dl_d527_7676_1a45)
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
ypos (m) ?
    +
    -
< slider >
xpos (m) ?     specify just 1 value →
    << -
< <
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
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    [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:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  ypos {
    String _CoordinateAxisType "GeoY";
    Float32 actual_range 3.0, 24.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Y-coordinate in Cartesian system";
    String units "m";
  }
  xpos {
    String _CoordinateAxisType "GeoX";
    Float32 actual_range 16.0, 139.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "X-coordinate in Cartesian system";
    String units "m";
  }
  x {
    Float32 _FillValue -99999.0;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Corner longitude";
    Float32 missing_value -99999.0;
    String units "degrees_east";
  }
  y {
    Float32 _FillValue -99999.0;
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Corner latitude";
    Float32 missing_value -99999.0;
    String units "degrees_north";
  }
  DUM {
    Float32 _FillValue -99999.0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "U1-direction mask";
    Float32 missing_value -99999.0;
  }
  DVM {
    Float32 _FillValue -99999.0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "V1-direction mask";
    Float32 missing_value -99999.0;
  }
  NC_GLOBAL {
    Int32 base_date 2017, 11, 6, 0;
    String CDI "Climate Data Interface version 1.7.0 (https://code.mpimet.mpg.de/projects/cdi)";
    String cdm_data_type "Grid";
    String CDO "Climate Data Operators version 1.7.0 (https://code.mpimet.mpg.de/projects/cdo)";
    String comment "Once-daily 24hr Hindcast and 48hr Forecast";
    String Conventions "CF-1.6, _Coordinates, COARDS, ACDD-1.3";
    String Conventions_comment "The version is CF-1.4";
    String creation_date "20171110";
    String creator_email "alan.blumberg@stevens.edu,       nickitas.georgas@stevens.edu";
    String creator_name "Drs. Alan F. Blumberg, Nickitas Georgas";
    String creator_url "https://www.stevens.edu/ses/about_soe/faculty/faculty_profile.php?faculty_id=84";
    String file_type "Full_Grid";
    String grid_type "Curvilinear";
    String history 
"Fri Nov 10 02:02:15 2017: cdo selindexbox,16,139,3,24 /mnt/cstor01/home/nyhops/NYHOPS/www/NETCDF/gcmplt.cdf /mnt/cstor01/home/nyhops/NYHOPS/www/NETCDF/Bight_gcmplt.nc
ECOMSED/Princeton Ocean Model
2018-04-22T05:04:30Z http://colossus.dl.stevens-tech.edu/thredds/dodsC/fmrc/NYBight/NYHOPS_Forecast_Collection_for_the_New_York_Bight_fmrc.ncd
2018-04-22T05:04:30Z http://upwell.pfeg.noaa.gov/griddap/stevens_tech_dl_d527_7676_1a45.das";
    String hormix_type "CLOSURE";
    Float32 hormix_value 0.01;
    String id "fmrc/NYBight/NYHOPS_Forecast_Collection_for_the_New_York_Bight_fmrc.ncdhttp://colossus.dl.stevens-tech.edu:8080/thredds/dodsC/fmrc/NYBight/NYHOPS_Forecast_Collection_for_the_New_York_Bight_fmrc.ncd";
    String infoUrl "http://hudson.dl.stevens-tech.edu/maritimeforecast/";
    String institution "Stevens Institute of Technology";
    String keywords "bight, collection, coordinates, corner, currents, data, direction, DUM, DVM, fmrc, forecast, harbor, institute, latitude, longitude, mask, model, new, new york, nyhops, observing, prediction, results, run, stevens, subdomain, system, technology, time, u1-direction, v1-direction, xpos, york, ypos";
    String license "The NYHOPS model, presently at its 3rd generation, has been the culmination of a multiyear Stevens Institute of Technology project funded by multiple federal and local agencies. Please contact the people referenced below if you are planning to use this data for any purpose. The data is provided without warranty of any kind.";
    String model "New York Harbor Observing and Prediction System (NYHOPS)";
    String references "Alan.Blumberg@stevens.edu, Nickitas.Georgas@stevens.edu";
    Float32 refl_coeff 0.1;
    String related_url "https://www.stevens.edu/maritimeforecast";
    String source "S_ECOM_vs8";
    String sourceUrl "http://colossus.dl.stevens-tech.edu/thredds/dodsC/fmrc/NYBight/NYHOPS_Forecast_Collection_for_the_New_York_Bight_fmrc.ncd";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "New York Harbor Observing and Prediction System (NYHOPS) Forecast Model Results. Forecast Model Run Collection (2D time coordinates). 3D Marine Nowcast/Forecast System for the New York Bight NYHOPS subdomain. Currents, waves, surface meteorology, and water conditions.";
    String title "NYHOPS New York Bight Subdomain, NYHOPS Forecast Collection for the New York Bight, NYHOPS Forecast Collection for the New York Bight, Forecast Model Run Collection (2D time coordinates) [ypos][xpos]";
    String type_of_run "PROGNOSTIC";
    String vrtmix_type "CLOSURE";
    Float32 vrtmix_value 1.0e-6;
    String z_type "Sigma";
  }
}

 

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.

griddap request URLs must be in the form
https://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.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.


 
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