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D3.js linkVertical() Method

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The d3.linkVertical() method returns a new link generator with vertical tangents. It is typically used when the root is on the left/right edge with the children going right/left.

Syntax:

var link = d3.linkVertical()
    .x(function(d) { return d.x; })
    .y(function(d) { return d.y; });

Parameters: This function does not take any parameter.

Return Value: This method returns a new link generator.

Example:

HTML




<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
 
    <script src=
    </script>
</head>
 
<body>
 
    <h1 style="text-align: center; color: green;">
        GeeksforGeeks
    </h1>
 
    <h3 style="text-align: center;">
        D3.js | link.vertical() Method
    </h3>
 
    <center>
    <svg id="gfg" width="200" height="200"></svg>
    </center>
 
    <script>
        var data = [
            {source: [100,25], target: [175,175]},
            {source: [100,25], target: [25,175]}];
       
        // Vertical link generator
        var link = d3.linkVertical()
                .source(function(d) {
                    return [d.source[1], d.source[0]];
                })
                .target(function(d) {
                    return [d.target[1], d.target[0]];
                });
       
        // Adding the link paths
        d3.select("#gfg")
            .selectAll("path")
            .data(data)
            .join("path")
            .attr("d", link)
            .classed("link", true);  
    </script>
</body>
 
</html>


Output:



Last Updated : 14 Sep, 2020
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