D3.js pow.interpolate() Function

The pow.interpolate() function is used to set the range interpolator factory which is used to create the interpolators for each pair of values from the adjacent ranges.

Syntax:

pow.interpolate(interpolate);

Parameters: This function accepts a single parameter as mentioned above and described below.

interpolator: This parameter accepts an interpolator.

Return Value: This function does not return anything.

Below examples illustrate the pow.interpolate() function in D3.js:

Example: Below given is a example of the function given mentioned above.

html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" path1tent=
        "width=device-width,initial-scale=1.0"/>
    <script src="https://d3js.org/d3.v4.min.js">
    </script>
    <script src=
    "https://d3js.org/d3-color.v1.min.js">
    </script>
    <script src=
    "https://d3js.org/d3-interpolate.v1.min.js">
    </script>
    <script src=
    "https://d3js.org/d3-scale-chromatic.v1.min.js">
    </script>
</head>

<body>
    <h2 style="color:green;">
        GeeksforGeeks
    </h2>

    <p>D3.js pow.interpolate() Function</p>

    <script>
        var pow = d3.scalePow()
        
            // Domain ranges -10, 0, 10
            .domain([-10, 0, 10])
        
            // Range for the domain
            .range([10, 20, 30, 40, 50, 60, 70, 80, 90])
        
            // Using interpolateRound
            .interpolate(d3.interpolateRound);

        document.write("<h3>pow(1.0): " + pow(1.0) + "</h3>");
        document.write("<h3>pow(2.0): " + pow(2.0) + "</h3>");
        document.write("<h3>pow(3.5): " + pow(3.5) + "</h3>");
        document.write("<h3>pow(4.1): " + pow(4.1) + "</h3>");
        document.write("<h3>pow(1.3): " + pow(1.3) + "</h3>");
        document.write("<h3>pow(-1.5): " + pow(-2.5) + "</h3>");
    </script>
</body>

</html>

Output:

D3.js pow.interpolate() Function

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