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D3.js geoBaker() Function

  • Last Updated : 18 Sep, 2020

The geoBaker() function in d3.js is used to draw the Baker Dinomic projection from the given geojson data.

Syntax:

d3.geoBaker()

Parameters: This method does not accept any parameters.

Returns: This method returns the Baker Dinomic projection.

Example: The following example makes the Baker Dinomic projection of the world.



HTML




<!DOCTYPE html>
<html>
  
<head>
    <script src="https://d3js.org/d3.v4.js">
    </script>
    <script src=
    </script>
</head>
  
<body>
    <div style="width:800px; height:600px;">
        <center>
            <h3 style="color:red">
                Baker Dinomic Projection of World
            </h3>
        </center>
        <svg width="700" height="550">
        </svg>
    </div>
    <script>
        var svg = d3.select("svg"),
            width = +svg.attr("width"),
            height = +svg.attr("height");
  
        // Baker Dinomic projection
        var gfg = d3.geoBaker()
            .scale(width / 1.5 / Math.PI)
            .translate([width / 2, height / 2])
  
        // Loading the json data 
        d3.json("https://raw.githubusercontent.com/" +
            "janasayantan/datageojson/master/" +
            "geoworld%20.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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