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D3.js geoNaturalEarth() Function

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  • Last Updated : 30 Sep, 2020
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The function geoNaturalEarth() is used to return the Natural Earth projection.

Syntax :

d3.geoNaturalEarth()

Parameters: This method does not accept any parameters.

Return Value: This method creates and returns geoNaturalEarth() projection from given JSON data.

Example 1: The following example creates geoNaturalEarth() projection of the world with the center at (0, 0) and no rotation.

HTML




<!DOCTYPE html> 
<html lang="en"
  
<head
    <meta charset="UTF-8" /> 
    <meta name="viewport" content="width=device-width, 
                initial-scale=1.0" /> 
  
    <script src="https://d3js.org/d3.v4.js"></script
  
    <script src
    </script
</head
  
<body
    <div style="width:700px; height:600px;"
        <svg width="700" height="550"
        </svg
    </div
  
    <script
        var svg = d3.select("svg"), 
            width = +svg.attr("width"), 
            height = +svg.attr("height"); 
  
        // Natural Earth projection 
        // Center(0,0) and no rotation 
        var gfg = d3.geoNaturalEarth()
            .scale(width / 1.5 / Math.PI) 
            .rotate([0, 0]) 
            .center([0, 0]) 
            .translate([width / 2, height / 3]) 
  
        // Loading the json data 
        d3.json("https://raw.githubusercontent.com/"
            +"epistler999/GeoLocation/master/world.json", 
            function (data) { 
                // Draw the map 
                svg.append("g") 
                    .selectAll("path") 
                    .data(data.features) 
                    .enter().append("path") 
                    .attr("fill", "black") 
                    .attr("d", d3.geoPath() 
                        .projection(gfg) 
                    
                    .style("stroke", "#ffff") 
            }) 
    </script
</body>
  
</html>


Output:

Example 2: In the following example we will create geoNaturalEarth() projection of the world with the center at (30, 0) and rotating 30 degrees anti-clockwise with respect to Y-axis.

HTML




<!DOCTYPE html> 
<html lang="en"
  
<head
    <meta charset="UTF-8" /> 
    <meta name="viewport" content="width=device-width, 
                initial-scale=1.0" /> 
    <script src="https://d3js.org/d3.v4.js"></script
    <script src
    </script
</head
  
<body
    <div style="width:700px; height:600px;"
        <svg width="700" height="550"
        </svg
    </div
  
    <script
        var svg = d3.select("svg"), 
            width = +svg.attr("width"), 
            height = +svg.attr("height"); 
  
        // geoNaturalEarth() projection 
        // Center(30, 0) and 30 degree rotation 
        var gfg = d3.geoNaturalEarth()
            .scale(width / 1.5 / Math.PI) 
            .rotate([-30, 0]) 
            .center([30, 0]) 
            .translate([width / 2, height / 2]) 
  
        // Loading the json data 
        // Used json file stored at 
        // GeoLocation/master/world.json
        d3.json("https://raw.githubusercontent.com/"
            +"epistler999/GeoLocation/master/world.json", 
            function (data) { 
                // Draw the map 
                svg.append("g") 
                    .selectAll("path") 
                    .data(data.features) 
                    .enter().append("path") 
                    .attr("fill", "black") 
                    .attr("d", d3.geoPath() 
                        .projection(gfg) 
                    
                    .style("stroke", "#ffff") 
            }) 
    </script
</body
  
</html


Output:


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