D3.js time.rangeRound() Function

The time.rangeRound() function is used to set the range of the scale to the specified array of values along with setting the interpolator to intepolateRound.

Syntax:

time.rangeRound([range]);

Parameters: This function accepts one parameter that is given above and described below.

range: This parameter accepts an array of numbers or strings.

Return Value: This function does not return anything.

Below given are a few examples of the function given above.

Example 1:

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>

    <style>
        body {
            margin-left: 40px;
        }

        h2 {
            color: green;
        }

        div {
            float: left;
            width: 280px;
        }
    </style>
</head>

<body>
    <h2>Geeks for geeks</h2>
    <p>time.rangeRound() Function </p>
    
    <script>
        var time = d3.scaleTime()
            // Setting domain for the scale.
            .domain([1, 10])
            // Setting the range of the scale.
            .range([1, 100]);

        document.write(
            "<div><h3>Without time.rangeRound()</h3>");
        document.write(
            "<h3>time(1.5): " + time(1.5) + "</h3>");
        document.write(
            "<h3>time(2): " + time(2) + "</h3>");
        document.write(
            "<h3>time(3.5): " + time(3.5) + "</h3>");
        document.write(
            "<h3>time(4.5): " + time(4.5) + "</h3></div>");

        var time = d3.scaleTime()
            // Setting domain for the scale.
            .domain([1, 10])
            // Setting the range of the scale.
            .rangeRound([1, 100]);
        document.write(
            "<div><h3>With time.rangeRound()</h3>");
        document.write(
            "<div><h3>time(1.5): " + time(1.5) + "</h3>");
        document.write(
            "<h3>time(2): " + time(2) + "</h3>");
        document.write(
            "<h3>time(3.5): " + time(3.5) + "</h3>");
        document.write(
            "<h3>time(4.5): " + time(4.5) + "</h3></div>");
    </script>
</body>

</html>

Output:

Example 2:

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>

    <style>
        body {
            margin-left: 40px;
        }

        h2 {
            color: green;
        }
    </style>
</head>

<body>
    <h2>Geeks for geeks</h2>
    <p>time.rangeRound() Function </p>
    <script>

        var time = d3.scaleTime()

            // Setting domain for the scale.
            .domain([2001 - 01 - 01, 2000 - 01 - 02])
            .rangeRound([1, 10])
        document.write("<h3>time(2.4): " 
                + time(2.4) + "</h3>");

        document.write("<h3>time(2): " 
                + time(2) + "</h3>");

        document.write("<h3>time(6.4): " 
                + time(6.4) + "</h3>");
                
        document.write("<h3>time(4.5): " 
                + time(4.5) + "</h3>");
    </script>
</body>

</html>

Output:

D3.js time.rangeRound() Function

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