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"> Â Â <head> Â Â Â Â <meta charset="UTF-8"> Â Â Â Â <meta name="viewport" content= Â Â Â Â Â Â Â Â "width=device-width,initial-scale=1.0"> Â Â Â Â Â Â Â Â <!--Fetching from CDN of D3.js -->Â Â Â Â <script type="text/javascript"Â Â Â Â Â </script> </head> Â Â <body> Â Â Â Â Â Â <script> Â Â Â Â Â Â Â Â console.log("Type of the function is: ", Â Â Â Â Â Â Â Â Â Â Â Â typeof(d3.interpolateCubehelixLong("white", "red"))) Â Â Â Â Â Â Â Â Â Â console.log( Â Â Â Â Â Â Â Â Â Â Â Â d3.interpolateCubehelixLong("blue", "white")(0.9)) Â Â Â Â Â Â Â Â Â Â console.log( Â Â Â Â Â Â Â Â Â Â Â Â d3.interpolateCubehelixLong("white", "green")(0.1))Â Â Â Â Â </script> </body> Â Â </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html lang="en"> Â Â <head> Â Â Â Â <meta charset="UTF-8"> Â Â Â Â <meta name="viewport" content= Â Â Â Â Â Â Â Â "width=device-width,initial-scale=1.0"> Â Â Â Â Â Â Â Â <!--Fetching from CDN of D3.js -->Â Â Â Â <script type="text/javascript"Â Â Â Â Â </script> Â Â Â Â Â Â Â Â <style> Â Â Â Â Â Â Â Â .bx1, Â Â Â Â Â Â Â Â .bx2 { Â Â Â Â Â Â Â Â Â Â Â Â width: 100px; Â Â Â Â Â Â Â Â Â Â Â Â height: 100px; Â Â Â Â Â Â Â Â } Â Â Â Â </style> </head> Â Â <body> Â Â Â Â Â Â <p>D3.interpolateCubehelixLong()</p> Â Â Â Â Â Â <div class="bx1"></div> Â Â Â Â <div class="bx2"></div> Â Â Â Â Â Â Â Â Â Â <script> Â Â Â Â Â Â Â Â let color1 = Â Â Â Â Â Â Â Â Â Â Â Â d3.interpolateCubehelixLong("green", "white")(0.1) Â Â Â Â Â Â Â Â let color2 = Â Â Â Â Â Â Â Â Â Â Â Â d3.interpolateCubehelixLong("white", "green")(0.1) Â Â Â Â Â Â Â Â let bx1 = document.querySelector(".bx1"); Â Â Â Â Â Â Â Â bx1.style.backgroundColor = color1; Â Â Â Â Â Â Â Â let bx2 = document.querySelector(".bx2"); Â Â Â Â Â Â Â Â bx2.style.backgroundColor = color2;Â Â Â Â Â </script> </body> Â Â </html> |
Output: Note the difference between giving green color as the first parameter and white color as the first parameter.
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