The d3.interpolateBuPu() function in D3.js is used to return a particular color from the “BuPu” sequential color scheme which is returned as an RGB string.
Syntax:
d3.interpolateBuPu(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 interpolateBuPu() Function</ title >
<!--Fetching from CDN of D3.js -->
</ script >
</ script >
< script src =
</ script >
< script src =
</ script >
</ head >
< body >
< center >
< h1 style = "color:green;" >GeeksForGeeks</ h1 >
< h3 >D3.js interpolateBuPu() Function</ h3 >
< script >
document.write(d3.interpolateBuPu(0)+"< br >");
document.write(d3.interpolateBuPu(0.1)+"< br >");
document.write(d3.interpolateBuPu(0.2)+"< br >");
document.write(d3.interpolateBuPu(0.3)+"< br >");
document.write(d3.interpolateBuPu(0.4)+"< br >");
document.write(d3.interpolateBuPu(0.5)+"< br >");
document.write(d3.interpolateBuPu(0.6)+"< br >");
document.write(d3.interpolateBuPu(0.7)+"< br >");
document.write(d3.interpolateBuPu(0.8)+"< br >");
document.write(d3.interpolateBuPu(0.9)+"< br >");
document.write(d3.interpolateBuPu(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 interpolateBuPu() Function</ title >
<!--Fetching from CDN of D3.js -->
</ script >
</ script >
< script src =
</ script >
< script src =
</ 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 interpolateBuPu() Function</ h3 >
< div class = "b1" >
< span >
D3.interpolateBuPu(0)
</ span >
</ div >
< div class = "b2" >
< span >
D3.interpolateBuPu(0.1)
</ span >
</ div >
< div class = "b3" >
< span >
D3.interpolateBuPu(0.2)
</ span >
</ div >
< div class = "b4" >
< span >
D3.interpolateBuPu(0.3)
</ span >
</ div >
< div class = "b5" >
< span >
D3.interpolateBuPu(0.4)
</ span >
</ div >
< div class = "b6" >
< span >
D3.interpolateBuPu(0.5)
</ span >
</ div >
< div class = "b7" >
< span >
D3.interpolateBuPu(0.6)
</ span >
</ div >
< div class = "b8" >
< span >
D3.interpolateBuPu(0.7)
</ span >
</ div >
< div class = "b9" >
< span >
D3.interpolateBuPu(0.8)
</ span >
</ div >
< div class = "b10" >
< span >
D3.interpolateBuPu(0.9)
</ span >
</ div >
< div class = "b11" >
< span >
D3.interpolateBuPu(1)
</ span >
</ div >
< script >
// Array of colors is given
let color1 = d3.interpolateBuPu(0.0);
let color2 = d3.interpolateBuPu(0.1);
let color3 = d3.interpolateBuPu(0.2);
let color4 = d3.interpolateBuPu(0.3);
let color5 = d3.interpolateBuPu(0.4);
let color6 = d3.interpolateBuPu(0.5);
let color7 = d3.interpolateBuPu(0.6);
let color8 = d3.interpolateBuPu(0.7);
let color9 = d3.interpolateBuPu(0.8);
let color10 = d3.interpolateBuPu(0.9);
let color11 = d3.interpolateBuPu(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 >
|
Output: