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D3.js interpolatePuOr() Function

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The d3.interpolatePuOr() function in D3.js is a part of the diverging color scheme which returns the color from the PuOr diverging color scheme in D3.js.  

Syntax:

d3.interpolatePuOr(t);

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

  • t: It is number in a range [0,1]

Return Values: It returns the string of RGB colors.

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

Example1:

HTML




<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta
            name="viewport"
            path1tent="width=device-width, 
                       initial-scale=1.0"/>
        <title>D3.js interpolatePuOr() Function</title>
    </head>
    <style></style>
    <body>
        <script src=
        </script>
        <script src=
        </script>
        <script src=
        </script>
        <script src=
        </script>
  
        <script>
            // When t is in range [0,1]
            // Value of t varies as 0.1, 0.2 ....1.0
            console.log(d3.interpolatePuOr(0));
            console.log(d3.interpolatePuOr(0.1));
            console.log(d3.interpolatePuOr(0.2));
            console.log(d3.interpolatePuOr(0.3));
            console.log(d3.interpolatePuOr(0.4));
            console.log(d3.interpolatePuOr(0.5));
            console.log(d3.interpolatePuOr(0.6));
            console.log(d3.interpolatePuOr(0.7));
            console.log(d3.interpolatePuOr(0.8));
            console.log(d3.interpolatePuOr(0.9));
            console.log(d3.interpolatePuOr(1.0));
        </script>
    </body>
</html>


Output:

Example 2:

HTML




<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta
            name="viewport"
            content="width=device-width, 
                     initial-scale=1.0"/>
        <title>D3.js interpolatePuOr() Function</title>
    </head>
    <style>
        div {
            padding: 10px;
            width: fit-content;
            height: 100px;
            float: left;
        }
    </style>
    <body>
        <h5>
            D3.interpolatePuOr()
        </h5>
        <br />
        <br />
        <div class="box1">
            <span>
                (0.1)
            </span>
        </div>
        <div class="box2">
            <span>
                (0.2)
            </span>
        </div>
        <div class="box3">
            <span>
                (0.3)
            </span>
        </div>
        <div class="box4">
            <span>
                (0.4)
            </span>
        </div>
        <div class="box5">
            <span>
                (0.5)
            </span>
        </div>
        <div class="b6">
            <span>
                (0.6)
            </span>
        </div>
        <div class="b7">
            <span>
                (0.7)
            </span>
        </div>
        <div class="b8">
            <span>
                (0.8)
            </span>
        </div>
        <div class="b9">
            <span>
                (0.9)
            </span>
        </div>
        <div class="b10">
            <span>
                (1.0)
            </span>
        </div>
        <!--Fetching from CDN of D3.js -->
        <script src=
        </script>
        <script src=
        </script>
        <script src=
        </script>
        <script src=
        </script>
        <script>
            // Creating different colors for different
            // Values of t as 0.1,0.2... 1.0
            let color1 = d3.interpolatePuOr(0.1);
            let color2 = d3.interpolatePuOr(0.2);
            let color3 = d3.interpolatePuOr(0.3);
            let color4 = d3.interpolatePuOr(0.4);
            let color5 = d3.interpolatePuOr(0.5);
            let color6 = d3.interpolatePuOr(0.6);
            let color7 = d3.interpolatePuOr(0.7);
            let color8 = d3.interpolatePuOr(0.8);
            let color9 = d3.interpolatePuOr(0.9);
            let color10 = d3.interpolatePuOr(1.0);
  
            // Selecting Div using query selector
            let box1 = document.querySelector(".box1");
            let box2 = document.querySelector(".box2");
            let box3 = document.querySelector(".box3");
            let box4 = document.querySelector(".box4");
            let box5 = document.querySelector(".box5");
            let b6 = document.querySelector(".b6");
            let b7 = document.querySelector(".b7");
            let b8 = document.querySelector(".b8");
            let b9 = document.querySelector(".b9");
            let b10 = document.querySelector(".b10");
  
            // Setting style and BG color of the particular DIVs
            box1.style.backgroundColor = color1;
            box2.style.backgroundColor = color2;
            box3.style.backgroundColor = color3;
            box4.style.backgroundColor = color4;
            box5.style.backgroundColor = color5;
            b6.style.backgroundColor = color6;
            b7.style.backgroundColor = color7;
            b8.style.backgroundColor = color8;
            b9.style.backgroundColor = color9;
            b10.style.backgroundColor = color10;
        </script>
    </body>
</html>


Output:



Last Updated : 17 Aug, 2020
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