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