The d3.interpolateWarm() function in D3.js is used to return a particular color from the 180° rotation of Niccoli’s perceptual rainbow which is returned as an RGB string.
Syntax:
d3.interpolateWarm(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 Values 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 interpolateWarm() Function</title> </script> </script> <script src= </script> <script src= </script> </head> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js interpolateWarm() Function</h3> <script> document.write(d3.interpolateWarm(0)+"<br>"); document.write(d3.interpolateWarm(0.1)+"<br>"); document.write(d3.interpolateWarm(0.2)+"<br>"); document.write(d3.interpolateWarm(0.3)+"<br>"); document.write(d3.interpolateWarm(0.4)+"<br>"); document.write(d3.interpolateWarm(0.5)+"<br>"); document.write(d3.interpolateWarm(0.6)+"<br>"); document.write(d3.interpolateWarm(0.7)+"<br>"); document.write(d3.interpolateWarm(0.8)+"<br>"); document.write(d3.interpolateWarm(0.9)+"<br>"); document.write(d3.interpolateWarm(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 interpolateWarm() Function</title> </script> </script> <script src= </script> <script src= </script> <style> div { padding: 3px; width: fit-content; height: 20px; width: 200px; } </style> </head> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js interpolateWarm() Function</h3> <div class="b1"> <span> D3.interpolateWarm(0) </span> </div> <div class="b2"> <span> D3.interpolateWarm(0.1) </span> </div> <div class="b3"> <span> D3.interpolateWarm(0.2) </span> </div> <div class="b4"> <span> D3.interpolateWarm(0.3) </span> </div> <div class="b5"> <span> D3.interpolateWarm(0.4) </span> </div> <div class="b6"> <span> D3.interpolateWarm(0.5) </span> </div> <div class="b7"> <span> D3.interpolateWarm(0.6) </span> </div> <div class="b8"> <span> D3.interpolateWarm(0.7) </span> </div> <div class="b9"> <span> D3.interpolateWarm(0.8) </span> </div> <div class="b10"> <span> D3.interpolateWarm(0.9) </span> </div> <div class="b11"> <span> D3.interpolateWarm(1) </span> </div> <script> // Array of colors is given let color1 = d3.interpolateWarm(0.0); let color2 = d3.interpolateWarm(0.1); let color3 = d3.interpolateWarm(0.2); let color4 = d3.interpolateWarm(0.3); let color5 = d3.interpolateWarm(0.4); let color6 = d3.interpolateWarm(0.5); let color7 = d3.interpolateWarm(0.6); let color8 = d3.interpolateWarm(0.7); let color9 = d3.interpolateWarm(0.8); let color10 = d3.interpolateWarm(0.9); let color11 = d3.interpolateWarm(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:
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