D3.js interpolateCubehelixLong() Function
Last Updated :
07 Aug, 2020
The d3.interpolateCubehelixLong() function is used to return the cubehelix color space interpolator between the two given colors A and B. It uses the shortest path between the hues.
Syntax:
d3.interpolateCubehelixLong(a, b);
Parameters: It takes the two parameters as given above and described below.
- a: It is the name of color in string format.
- b: It is also the name of color in string format.
Return Value: It returns the function.
Example 1:
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content=
"width=device-width,initial-scale=1.0">
<script type="text/javascript"
</script>
</head>
<body>
<script>
console.log("Type of the function is: ",
typeof(d3.interpolateCubehelixLong("white", "red")))
console.log(
d3.interpolateCubehelixLong("blue", "white")(0.9))
console.log(
d3.interpolateCubehelixLong("white", "green")(0.1))
</script>
</body>
</html>
|
Output:
Example 2:
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content=
"width=device-width,initial-scale=1.0">
<script type="text/javascript"
</script>
<style>
.bx1,
.bx2 {
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<p>D3.interpolateCubehelixLong()</p>
<div class="bx1"></div>
<div class="bx2"></div>
<script>
let color1 =
d3.interpolateCubehelixLong("green", "white")(0.1)
let color2 =
d3.interpolateCubehelixLong("white", "green")(0.1)
let bx1 = document.querySelector(".bx1");
bx1.style.backgroundColor = color1;
let bx2 = document.querySelector(".bx2");
bx2.style.backgroundColor = color2;
</script>
</body>
</html>
|
Output: Note the difference between giving green color as the first parameter and white color as the first parameter.
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