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D3.js interpolatePuRd() Function

Last Updated : 19 Aug, 2020
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The d3.interpolatePuRd() function in D3.js is used to return a particular color from the “PuRd” sequential color scheme which is returned as an RGB string.

Syntax:

d3.interpolatePuRd(t)

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

  • t: “t” is a number in a range [0,1].

Return Value: It returns an RGB string.

Example 1:

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 interpolatePuRd() Function</title>
    <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>
    <center>
        <h1 style="color:green;">GeeksForGeeks</h1>
  
        <h3>D3.js interpolatePuRd() Function</h3>
  
        <script>
            document.write(d3.interpolatePuRd(0) + "<br>");
            document.write(d3.interpolatePuRd(0.1) + "<br>");
            document.write(d3.interpolatePuRd(0.2) + "<br>");
            document.write(d3.interpolatePuRd(0.3) + "<br>");
            document.write(d3.interpolatePuRd(0.4) + "<br>");
            document.write(d3.interpolatePuRd(0.5) + "<br>");
            document.write(d3.interpolatePuRd(0.6) + "<br>");
            document.write(d3.interpolatePuRd(0.7) + "<br>");
            document.write(d3.interpolatePuRd(0.8) + "<br>");
            document.write(d3.interpolatePuRd(0.9) + "<br>");
            document.write(d3.interpolatePuRd(1));
        </script>
    </center>
</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" /> 


  


    <title>D3.js interpolatePuRd() Function</title> 


    <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>  


        div {  


            padding: 3px;  


            width: fit-content;  


            height: 20px; 


            width: 250px; 


        }  


    </style>  


</head> 


  


<body> 


    <center> 


        <h1 style="color:green;">GeeksForGeeks</h1> 


       


        <h3>D3.js interpolatePuRd() Function</h3> 


          


        <div class="b1">  


            <span>  


                D3.interpolatePuRd(0)  


            </span>  


        </div>  


        <div class="b2">  


            <span>  


                D3.interpolatePuRd(0.1)   


            </span>  


        </div>  


        <div class="b3">  


            <span>  


                D3.interpolatePuRd(0.2) 


            </span>  


        </div>  


        <div class="b4">  


            <span>  


                D3.interpolatePuRd(0.3)   


            </span>  


        </div>  


        <div class="b5">  


            <span>  


                D3.interpolatePuRd(0.4)  


            </span>  


        </div>  


        <div class="b6">  


            <span>  


                D3.interpolatePuRd(0.5)   


            </span>  


        </div>  


        <div class="b7">  


            <span>  


                D3.interpolatePuRd(0.6)   


            </span>  


        </div>  


        <div class="b8">  


            <span>  


                D3.interpolatePuRd(0.7)  


            </span>  


        </div>  


        <div class="b9">  


            <span>  


                D3.interpolatePuRd(0.8)   


            </span>  


        </div>  


        <div class="b10">  


            <span>  


                D3.interpolatePuRd(0.9)   


            </span>  


        </div>  


        <div class="b11">  


            <span>  


                D3.interpolatePuRd(1)   


            </span>  


        </div>  


        <script>  


            // Array of colors is given  


            let color1 = d3.interpolatePuRd(0.0);  


            let color2 = d3.interpolatePuRd(0.1);  


            let color3 = d3.interpolatePuRd(0.2);  


            let color4 = d3.interpolatePuRd(0.3);  


            let color5 = d3.interpolatePuRd(0.4);  


            let color6 = d3.interpolatePuRd(0.5); 


            let color7 = d3.interpolatePuRd(0.6);  


            let color8 = d3.interpolatePuRd(0.7);  


            let color9 = d3.interpolatePuRd(0.8);  


            let color10 = d3.interpolatePuRd(0.9);  


            let color11 = d3.interpolatePuRd(1.0);  


      


            let b1 = document.querySelector(".b1");  


            let b2 = document.querySelector(".b2");  


            let b3 = document.querySelector(".b3");  


            let b4 = document.querySelector(".b4");  


            let b5 = document.querySelector(".b5");  


            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");  


            let b11 = document.querySelector(".b11");  


              


            b1.style.backgroundColor = color1;  


            b2.style.backgroundColor = color2; 


            b3.style.backgroundColor = color3;  


            b4.style.backgroundColor = color4; 


            b5.style.backgroundColor = color5;  


            b6.style.backgroundColor = color6; 


            b7.style.backgroundColor = color7; 


            b8.style.backgroundColor = color8;  


            b9.style.backgroundColor = color9; 


            b10.style.backgroundColor = color10;  


            b11.style.backgroundColor = color11; 


        </script> 


    </center> 


</body> 


  


</html> 



















                        







                        










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                                        SHUBHAMSINGH10                                

                            

                            

            
                                

                            

                                                                    

                                        
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