The d3.scalePow() function is used to create and return a new continuous scale. This scale has a specified domain and range. Generally, it acts as a linear scale but when used with exponent it works in a different way.
Syntax:
d3.scalePow([[domain, ]range]);
Parameters: This function accepts two parameters as mentioned above and described below.
- domain: This parameter always accepts two or more than two numbers.
- range: This parameter accepts a number or a string array.
Return Values: This function does not return anything.
Below examples illustrate the scalePow() function in D3.js:
Example 1:
HTML
<!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;">Geeks for neveropen</h2> <p>d3.scalePow() Function </p> <script> var pow = d3.scalePow() .domain([0, 1]) .range([1, 2, 3, 4, 5, 6]); document.write("<h3> pow(1): " + pow(1) + "</h3>"); document.write("<h3>pow(2): " + pow(2) + "</h3>"); document.write("<h3>pow(3): " + pow(3) + "</h3>"); </script> </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"/> </script> <script src= </script> <script src= </script> <script src= </script> </head> <body> <h2 style="color:green;">Geeks for neveropen</h2> <p>d3.scalePow() Function </p> <script> var pow = d3.scalePow() .domain([0, 1]) .range([1, 2, 3, 4, 5, 6]) .exponent(4); document.write("<h3> pow(1): " + pow(1) + "</h3>"); document.write("<h3>pow(2): " + pow(2) + "</h3>"); document.write("<h3>pow(3): " + pow(3) + "</h3>"); </script> </body> </html> |
Output:
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