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D3 pie chart using JSON response data from https://sciapps.colorado.edu
Raw
README.md

TO RUN D3 EXAMPLE LOCALLY

Navigate to project directory and run "python -m SimpleHTTPServer 8000" (Python version 2.*), then go to localhost:8000 (or replace 'localhost' with server IP address you're on)

TEST QUERY

Request address encoded: https://sciapps.colorado.edu/#/collections?%7B%22queries%22%3A%5B%7B%22type%22%3A%22queryText%22%2C%22value%22%3A%22space%22%7D%5D%2C%22filters%22%3A%5B%7B%22type%22%3A%22facet%22%2C%22name%22%3A%22locations%22%2C%22values%22%3A%5B%22Ocean%20%3E%20Pacific%20Ocean%20%3E%20North%20Pacific%20Ocean%20%3E%20Aleutian%20Islands%22%5D%7D%5D%2C%22facets%22%3Atrue%7D

Request address decoded: https://sciapps.colorado.edu/#/collections?{"queries":[{"type":"queryText","value":"space"}],"filters":[{"type":"facet","name":"locations","values":["Ocean > Pacific Ocean > North Pacific Ocean > Aleutian Islands"]}],"facets":true}

NOTES

  • This example works with D3 version 3 and breaks when referencing version 4 which is the current one (see https://d3js.org/)
  • The test query above produces 22 different keywords from the JSON response; a similar query with hundreds of different keywords takes a long time to load in the browser and the pie chart becomes too fragmented to be usable/make sense, also the legend won't fit on the canvas anymore

GIST WITH ALL CODE INCLUDING JSON DATA

https://gist.github.com/tjaensch/ee2685d323bde1a6cb0574de15d7d47b

Raw
d3.legend.js
// d3.legend.js
// (C) 2012 ziggy.jonsson.nyc@gmail.com
// MIT licence
(function() {
d3.legend = function(g) {
g.each(function() {
var g= d3.select(this),
items = {},
svg = d3.select(g.property("nearestViewportElement")),
legendPadding = g.attr("data-style-padding") || 5,
lb = g.selectAll(".legend-box").data([true]),
li = g.selectAll(".legend-items").data([true])
lb.enter().append("rect").classed("legend-box",true)
li.enter().append("g").classed("legend-items",true)
svg.selectAll("[data-legend]").each(function() {
var self = d3.select(this)
items[self.attr("data-legend")] = {
pos : self.attr("data-legend-pos") || this.getBBox().y,
color : self.attr("data-legend-color") != undefined ? self.attr("data-legend-color") : self.style("fill") != 'none' ? self.style("fill") : self.style("stroke")
}
})
items = d3.entries(items).sort(function(a,b) { return a.value.pos-b.value.pos})
li.selectAll("text")
.data(items,function(d) { return d.key})
.call(function(d) { d.enter().append("text")})
.call(function(d) { d.exit().remove()})
.attr("y",function(d,i) { return i+"em"})
.attr("x","1em")
.text(function(d) { ;return d.key})
li.selectAll("circle")
.data(items,function(d) { return d.key})
.call(function(d) { d.enter().append("circle")})
.call(function(d) { d.exit().remove()})
.attr("cy",function(d,i) { return i-0.25+"em"})
.attr("cx",0)
.attr("r","0.4em")
.style("fill",function(d) { console.log(d.value.color);return d.value.color})
// Reposition and resize the box
var lbbox = li[0][0].getBBox()
lb.attr("x",(lbbox.x-legendPadding))
.attr("y",(lbbox.y-legendPadding))
.attr("height",(lbbox.height+2*legendPadding))
.attr("width",(lbbox.width+2*legendPadding))
})
return g
}
})()
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
.arc path {
stroke: #fff;
}
.legend rect {
fill:white;
stroke:black;}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="d3.legend.js"></script>
<script>
var width = 960,
height = 600,
radius = Math.min(width, height) / 3;
var color = d3.scale.ordinal()
.range(["#f7fcfd", "#e5f5f9", "#ccece6", "#99d8c9", "#66c2a4", "#41ae76", "#238b45", "#006d2c", "#00441b", '#d9d9d9','#bdbdbd','#969696','#737373','#525252','#252525','#000000','#ef3b2c','#cb181d','#a50f15','#67000d', '#54278f', '#3f007d']);
var arc = d3.svg.arc()
.outerRadius(radius - 10)
.innerRadius(0);
var pie = d3.layout.pie()
.sort(null)
.value(function(d) { return d.count; });
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
d3.json("json_response_pretty.json", function(d) {
var counts = {};
d.data.forEach(function(d) {
// Retrieve the keywords from the JSON API response and count frequency of each one across all search results
arr = d.attributes.keywords
for(var i = 0; i<arr.length; i++) {
var num = arr[i];
counts[num] = counts[num] ? counts[num]+1 : 1;
};
});
// console.log(counts)
// Create array of objects of search results to be used by D3
var data = [];
for(var key in counts) {
var val = counts[key];
data.push({
count: val,
keyword: key
});
}
console.log(data);
// Produce pie chart with data
var g = svg.selectAll(".arc")
.data(pie(data))
.enter().append("g")
.attr("class", "arc");
g.append("path")
.attr("d", arc)
.attr("fill", function(d, i) { return color(i); })
.transition()
.ease("elastic")
.duration(3000)
.attrTween("d", tweenPie);
// "extra" g to append legend
g.append("path")
.attr("d", arc)
.attr("data-legend", function(d) { return d.data.keyword; })
.attr("data-legend-pos", function(d, i) { return i; })
.style("fill", function(d) { return color(d.data.keyword); });
g.append("text")
.attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; })
.attr("dy", ".35em")
.style("text-anchor", "middle");
function tweenPie(b) {
b.innerRadius = 0;
var i = d3.interpolate({startAngle: 0, endAngle: 0}, b);
return function(t) { return arc(i(t)); };
}
var padding = 20,
legx = radius + padding,
legend = svg.append("g")
.attr("class", "legend")
.attr("transform", "translate(" + legx + ", 0)")
.style("font-size", "12px")
.call(d3.legend);
});
</script>
Raw
json_response_pretty.json
{
"data": [
{
"attributes": {
"acquisitionInstruments": [
{
"instrumentDescription": null,
"instrumentIdentifier": null,
"instrumentType": "Light Detection and Ranging"
},
{
"instrumentDescription": null,
"instrumentIdentifier": null,
"instrumentType": "Multibeam Swath Bathymetry System"
},
{
"instrumentDescription": null,
"instrumentIdentifier": null,
"instrumentType": "Sound Navigation and Ranging"
}
],
"acquisitionOperations": [
{
"operationDescription": null,
"operationIdentifier": "Tsunami Inundation Gridding Project",
"operationStatus": null,
"operationType": null
}
],
"acquisitionPlatforms": [
{
"platformDescription": null,
"platformIdentifier": "Digital Elevation Model",
"platformSponsor": []
}
],
"alternateTitle": null,
"contacts": [
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": null,
"organizationName": null,
"role": "resourceProvider"
},
{
"individualName": null,
"organizationName": "European Petroleum Survey Group",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"role": "originator"
},
{
"individualName": null,
"organizationName": null,
"role": null
},
{
"individualName": null,
"organizationName": "NASA",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/OAR/PMEL/NCTR > NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Elliot Lim",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Lisa A. Taylor",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Barry W. Eakins",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Kelly S. Carignan",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Pamela R. Medley",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Dorothy Z. Friday",
"role": "originator"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce",
"role": "publisher"
},
{
"individualName": "Jesse Varner",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": "Barry W. Eakins",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": null,
"organizationName": "NASA > National Aeronautics and Space Administration",
"role": "originator"
},
{
"individualName": null,
"organizationName": "DOI/USGS > U.S. Geological Survey, Department of the Interior",
"role": "originator"
},
{
"individualName": null,
"organizationName": "METI/NASA > Ministry of Economy, Trade, and Industry of Japan and the U.S. National Aeronautics and Space Administration",
"role": "originator"
},
{
"individualName": "Kelly Carignan",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": "Anna Milan",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
}
],
"creationDate": null,
"dataFormats": [
"ESRI ARC ASCII"
],
"description": "NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-topographic DEMs are used to support tsunami forecasting and modeling efforts at the NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory (PMEL). The DEMs are part of the tsunami forecast system SIFT (Short-term Inundation Forecasting for Tsunamis) currently being developed by PMEL for the NOAA Tsunami Warning Centers, and are used in the MOST (Method of Splitting Tsunami) model developed by PMEL to simulate tsunamigeneration, propagation, and inundation. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the U.S. Geological Survey (USGS), the National Aeronautic Space Administration (NASA), and other federal, state, and local government agencies, and academic institutions. DEMs are referenced to the vertical tidal datum of Mean High Water (MHW) and horizontal datum of World Geodetic System 1984 (WGS84). Grid spacings for the DEM is 1 arc-second (30m).",
"doi": null,
"fileIdentifier": "gov.noaa.ngdc.mgg.dem:590",
"gcmdDataCenters": [
"DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce"
],
"gcmdDataResolution": [
"H: 1 meter - < 30 meters",
"V: < 1 meter"
],
"gcmdInstruments": [],
"gcmdLocations": [
"Continent > North America > United States Of America > Alaska",
"Ocean > Pacific Ocean > North Pacific Ocean",
"Ocean > Pacific Ocean > North Pacific Ocean > Aleutian Islands",
"Vertical Location > Land Surface",
"Vertical Location > Sea Floor"
],
"gcmdPlatforms": [
"DEM > Digital Elevation Model"
],
"gcmdProjects": [
"ICSU-WDS > International Council for Science - World Data System"
],
"gcmdScience": [
"Oceans > Bathymetry/Seafloor Topography > Seafloor Topography",
"Oceans > Bathymetry/Seafloor Topography > Bathymetry",
"Oceans > Bathymetry/Seafloor Topography > Water Depth",
"Land Surface > Topography > Terrain Elevation",
"Land Surface > Topography > Topographical Relief Maps",
"Oceans > Coastal Processes > Coastal Elevation"
],
"keywords": [
"Coastal Relief",
"Gridded elevations",
"Integrated bathymetry and topography",
"Nikolski",
"Umnak Island",
"Mt. Vsevidof",
"Aleutian Islands"
],
"links": [
{
"linkDescription": "Download DEM, metadata and readme file.",
"linkFunction": "download",
"linkName": "Nikolski, Alaska Coastal Digital Elevation Model ASCII DEM",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/getArchive/590?gridFormat=ESRI+Arc+ASCII"
},
{
"linkDescription": "Information, preview and access DEM, metadata record and development report.",
"linkFunction": "information",
"linkName": "Nikolski, Alaska Coastal Digital Elevation Model Homepage",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/download/590"
},
{
"linkDescription": "Text search tool for locating completed and planned DEMs.",
"linkFunction": "search",
"linkName": "DEM text search tool",
"linkUrl": "http://www.ngdc.noaa.gov/dem/squareCellGrid/search"
},
{
"linkDescription": "Graphic geo-spatial search tool for locating completed and planned DEMs.",
"linkFunction": "search",
"linkName": "Map Interface",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/map"
}
],
"modifiedDate": "2015-09-03",
"parentIdentifier": null,
"publicationDate": "2010-02-13",
"revisionDate": null,
"spatialBounding": {
"coordinates": [
[
-169.66,
53.189999999999998
],
[
-168.09,
52.289999999999999
]
],
"type": "envelope"
},
"stagedDate": 1481311744179,
"temporalBounding": {
"beginDate": "1937-01-01",
"beginIndeterminate": null,
"endDate": "2009-01-01",
"endIndeterminate": null,
"instant": null,
"instantIndeterminate": null
},
"thumbnail": "https://www.ngdc.noaa.gov/dem/squareCellGrid/getGraphic/590",
"title": "Nikolski, Alaska Coastal Digital Elevation Model",
"topicCategories": [
"elevation"
]
},
"id": "gov.noaa.ngdc.mgg.dem:590",
"type": "collection"
},
{
"attributes": {
"acquisitionInstruments": [
{
"instrumentDescription": null,
"instrumentIdentifier": null,
"instrumentType": "Multibeam Swath Bathymetry System"
},
{
"instrumentDescription": null,
"instrumentIdentifier": null,
"instrumentType": "Sound Navigation and Ranging"
}
],
"acquisitionOperations": [
{
"operationDescription": null,
"operationIdentifier": "Tsunami Inundation Gridding Project",
"operationStatus": null,
"operationType": null
}
],
"acquisitionPlatforms": [
{
"platformDescription": null,
"platformIdentifier": "Digital Elevation Model",
"platformSponsor": []
}
],
"alternateTitle": null,
"contacts": [
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": null,
"organizationName": null,
"role": "resourceProvider"
},
{
"individualName": null,
"organizationName": "European Petroleum Survey Group",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"role": "originator"
},
{
"individualName": null,
"organizationName": null,
"role": null
},
{
"individualName": null,
"organizationName": "NASA",
"role": "publisher"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/OAR/PMEL/NCTR > NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Kelly S. Carignan",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Lisa A. Taylor",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Barry W. Eakins",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Robin R. Warnken",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Elliot Lim",
"role": "originator"
},
{
"individualName": null,
"organizationName": "Pamela R. Medley",
"role": "originator"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce",
"role": "publisher"
},
{
"individualName": "Jesse Varner",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": "Barry W. Eakins",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": null,
"organizationName": "DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce",
"role": "originator"
},
{
"individualName": null,
"organizationName": "NASA > National Aeronautics and Space Administration",
"role": "originator"
},
{
"individualName": "Peng, Ge",
"organizationName": "CICS-NC/NCEI",
"role": "author"
},
{
"individualName": "Kelly Carignan",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
},
{
"individualName": "Anna Milan",
"organizationName": "DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"role": "pointOfContact"
}
],
"creationDate": null,
"dataFormats": [
"ESRI ARC ASCII",
"NETCDF"
],
"description": "NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-topographic DEMs are used to support tsunami forecasting and modeling efforts at the NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory (PMEL). The DEMs are part of the tsunami forecast system SIFT (Short-term Inundation Forecasting for Tsunamis) currently being developed by PMEL for the NOAA Tsunami Warning Centers, and are used in the MOST (Method of Splitting Tsunami) model developed by PMEL to simulate tsunami generation, propagation, and inundation. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the U.S. Geological Survey (USGS), the U.S. Army Corps of Engineers (USACE), the Federal Emergency Management Agency (FEMA), and other federal, state, and local government agencies, academic institutions, and private companies. DEMs are referenced to the vertical tidal datum of Mean High Water (MHW) and horizontal datum of World Geodetic System 1984 (WGS84). Grid spacings for the DEMs range from 1/3 arc-second (~10 meters) to 3 arc-seconds (~90 meters).",
"doi": null,
"fileIdentifier": "gov.noaa.ngdc.mgg.dem:632",
"gcmdDataCenters": [
"DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce"
],
"gcmdDataResolution": [
"H: 1 meter - < 30 meters",
"V: < 1 meter"
],
"gcmdInstruments": [],
"gcmdLocations": [
"Continent > North America > United States Of America > Alaska",
"Ocean > Pacific Ocean > North Pacific Ocean",
"Ocean > Pacific Ocean > North Pacific Ocean > Aleutian Islands",
"Vertical Location > Land Surface",
"Vertical Location > Sea Floor"
],
"gcmdPlatforms": [
"DEM > Digital Elevation Model"
],
"gcmdProjects": [
"ICSU-WDS > International Council for Science - World Data System"
],
"gcmdScience": [
"Oceans > Bathymetry/Seafloor Topography > Seafloor Topography",
"Oceans > Bathymetry/Seafloor Topography > Bathymetry",
"Oceans > Bathymetry/Seafloor Topography > Water Depth",
"Land Surface > Topography > Terrain Elevation",
"Land Surface > Topography > Topographical Relief Maps",
"Oceans > Coastal Processes > Coastal Elevation"
],
"keywords": [
"Coastal Relief",
"Gridded elevations",
"Integrated bathymetry and topography",
"Shemya",
"Shemya Island",
"Attu Island",
"Agattu Island",
"Alaid Island",
"Nizki Island",
"Semichi Islands",
"Near Islands",
"Aleutian Islands",
"Alaska"
],
"links": [
{
"linkDescription": "Download DEM, metadata and readme file.",
"linkFunction": "download",
"linkName": "Shemya, Alaska Coastal Digital Elevation Model ASCII DEM",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/getArchive/632?gridFormat=ESRI+Arc+ASCII"
},
{
"linkDescription": "Information, preview and access DEM, metadata record and development report.",
"linkFunction": "information",
"linkName": "Shemya, Alaska Coastal Digital Elevation Model Homepage",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/download/632"
},
{
"linkDescription": "Text search tool for locating completed and planned DEMs.",
"linkFunction": "search",
"linkName": "DEM text search tool",
"linkUrl": "http://www.ngdc.noaa.gov/dem/squareCellGrid/search"
},
{
"linkDescription": "Graphic geo-spatial search tool for locating completed and planned DEMs.",
"linkFunction": "search",
"linkName": "Map Interface",
"linkUrl": "https://www.ngdc.noaa.gov/dem/squareCellGrid/map"
},
{
"linkDescription": "OPeNDAP Dataset Access Form",
"linkFunction": "download",
"linkName": null,
"linkUrl": "https://www.ngdc.noaa.gov/thredds/dodsC/regional/shemya_ak_1_sec.nc.html"
},
{
"linkDescription": "Download NetCDF File",
"linkFunction": "download",
"linkName": null,
"linkUrl": "https://www.ngdc.noaa.gov/thredds/fileServer/regional/shemya_ak_1_sec.nc"
},
{
"linkDescription": "Web Coverage Service GetCapabilities",
"linkFunction": "information",
"linkName": null,
"linkUrl": "https://www.ngdc.noaa.gov/thredds/wcs/regional/shemya_ak_1_sec.nc?service=WCS&version=1.0.0&request=GetCapabilities"
},
{
"linkDescription": "Web Map Service GetCapabilities",
"linkFunction": "information",
"linkName": null,
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},
"Oceans > Bathymetry/Seafloor Topography > Seafloor Topography": {
"count": 4
},
"Oceans > Bathymetry/Seafloor Topography > Water Depth": {
"count": 4
},
"Oceans > Coastal Processes": {
"count": 4
},
"Oceans > Coastal Processes > Coastal Elevation": {
"count": 4
}
}
},
"took": 5,
"total": 4
}
}
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