The pow.interpolate() function is used to set the range interpolator factory which is used to create the interpolators for each pair of values from the adjacent ranges.
Syntax:
pow.interpolate(interpolate);
Parameters: This function accepts a single parameter as mentioned above and described below.
- interpolator: This parameter accepts an interpolator.
Return Value: This function does not return anything.
Below examples illustrate the pow.interpolate() function in D3.js:
Example: Below given is a example of the function given mentioned above.
<!DOCTYPE html> < html lang = "en" >   < head >     < meta charset = "UTF-8" />     < meta name = "viewport" path1tent =         "width=device-width,initial-scale=1.0" />     </ script >     < script src =     </ script >     < script src =     </ script >     < script src =     </ script > </ head >   < body >     < h2 style = "color:green;" >         neveropen     </ h2 >       < p >D3.js pow.interpolate() Function</ p >       < script >         var pow = d3.scalePow()                       // Domain ranges -10, 0, 10             .domain([-10, 0, 10])                       // Range for the domain             .range([10, 20, 30, 40, 50, 60, 70, 80, 90])                       // Using interpolateRound             .interpolate(d3.interpolateRound);           document.write("< h3 >pow(1.0): " + pow(1.0) + "</ h3 >");         document.write("< h3 >pow(2.0): " + pow(2.0) + "</ h3 >");         document.write("< h3 >pow(3.5): " + pow(3.5) + "</ h3 >");         document.write("< h3 >pow(4.1): " + pow(4.1) + "</ h3 >");         document.write("< h3 >pow(1.3): " + pow(1.3) + "</ h3 >");         document.write("< h3 >pow(-1.5): " + pow(-2.5) + "</ h3 >");     </ script > </ body >   </ html > |
Output: