La función d3.interpolatePiYG() en D3.js es un esquema de color divergente disponible como un interpolador continuo que devuelve el color correspondiente del esquema de color divergente PiYG.
Sintaxis:
d3.interpolatePiYG(t);
Parámetros: Esta función acepta un solo parámetro como se mencionó anteriormente y se describe a continuación.
- t: Es un número en un rango [0,1].
Valores devueltos: esta función devuelve una string RGB.
A continuación se dan algunos ejemplos de la función dada anteriormente.
Ejemplo 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 interpolatePiYG() Function</title> </head> <style></style> <body> <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> <script> console.log(d3.interpolatePiYG(0)); console.log(d3.interpolatePiYG(0.1)); console.log(d3.interpolatePiYG(0.2)); console.log(d3.interpolatePiYG(0.3)); console.log(d3.interpolatePiYG(0.4)); console.log(d3.interpolatePiYG(0.5)); console.log(d3.interpolatePiYG(0.6)); console.log(d3.interpolatePiYG(0.7)); console.log(d3.interpolatePiYG(0.8)); console.log(d3.interpolatePiYG(0.9)); console.log(d3.interpolatePiYG(1.0)); </script> </body> </html>
Producción:
Ejemplo 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 interpolatePiYG() Function</title>
</head>
<style>
div {
padding: 10px;
width: fit-content;
height: 100px;
float: left;
}
</style>
<body>
D3.interpolatePiYG()
<br />
<br />
<div class="b1">
<span>
(0.1)
</span>
</div>
<div class="b2">
<span>
(0.2)
</span>
</div>
<div class="b3">
<span>
(0.3)
</span>
</div>
<div class="b4">
<span>
(0.4)
</span>
</div>
<div class="b5">
<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=
"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>
<script>
// Array of colors is given
let color1 = d3.interpolatePiYG(0.1);
let color2 = d3.interpolatePiYG(0.2);
let color3 = d3.interpolatePiYG(0.3);
let color4 = d3.interpolatePiYG(0.4);
let color5 = d3.interpolatePiYG(0.5);
let color6 = d3.interpolatePiYG(0.6);
let color7 = d3.interpolatePiYG(0.7);
let color8 = d3.interpolatePiYG(0.8);
let color9 = d3.interpolatePiYG(0.9);
let color10 = d3.interpolatePiYG(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");
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;
</script>
</body>
</html>
Producción:
