The band.rangeRound() function is used to set the range of the scale to the specified two-element array along with this it also set the round to true.
Syntax:
band.rangeRound([range])
Parameters: This function accepts single parameters as given above and described below:
- range: This parameter accepts a two-element array of numbers.
Return Values: This function does not return anything.
Below given are a few examples of the function given above.
Example 1:
<!DOCTYPE html> <html lang = "en"> <head> <meta charset = "UTF-8" /> <meta name = "viewport" path1tent = "width=device-width, initial-scale = 1.0"/> <script src = </script> </head> <body> <script> // Creating the band scale with // specified domain and range. var band = d3.scaleBand() .domain([10, 20, 30, 40, 50]) .range([0, 1]); console.log("Without rangeRound function:"); console.log("band(10): ", band(10)); console.log("band(20): ", band(20)); console.log("With rangeRound function:"); var band = d3.scaleBand() .domain([10, 20, 30, 40, 50]) .rangeRound([0, 1]); console.log("band(10): ", band(10)); console.log("band(20): ", band(20)); </script> </body> </html> |
Output:
Example 2:
<!DOCTYPE html> <html lang = "en"> <head> <meta charset = "UTF-8" /> <meta name = "viewport" path1tent = "width=device-width, initial-scale = 1.0"/> <script src = </script> </head> <body> <script> // Creating the band scale with // specified domain and range. var band = d3.scaleBand() .domain([1, 2, 3, 4]) // When range is in string .range(["0", "10"]); console.log("Without rangeRound function:"); console.log("band(1): ", band(1)); console.log("band(2): ", band(2)); console.log("With rangeRound function:"); var band = d3.scaleBand() .domain([1, 2, 3, 4, 5]) .rangeRound(["0", "10"]); console.log("band(1): ", band(1)); console.log("band(2): ", band(2)); </script> </body> </html> |
Output:
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