The log.rangeRound() function is used to set the range of the scale to the specified array of values along with this it internally sets the interpolator to interpolatorRound.
Syntax:
log.rangeRound([range]);
Parameters: This function takes a single parameter that is given above and described below.
- [range]: An array that contains the range for the specified domain.
Return Value: This function does not return any value.
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> </head> <body> <h2 style="color:green">GeekforGeeks</h2> <p>log.rangeRound() Function</p> <script> var log = d3.scaleLog() // Domain .domain([1, 10]) // Range for the domain .rangeRound([10, 20, 30, 40, 50, 60, 70, 80, 90]); document.write("<h3>log(1.0): " + log(1.0) + "</h3>"); document.write("<h3>log(2.5): " + log(2.5) + "</h3>"); document.write("<h3>log(4): " + log(4) + "</h3>"); document.write("<h3>log(4.5): " + log(4.5) + "</h3>"); document.write("<h3>log(1.5): " + log(1.5) + "</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> </head> <body> <h2 style="color:green">GeekforGeeks</h2> <p>log.rangeRound() Function</p> <script> var log = d3.scaleLog() // Domain .domain([1, 10]) // Range for the domain .rangeRound([0, 960]); document.write("<br/><div style=float:left;>"); document.write("<p> With rangeRound()</p>"); document.write("<h3>" + log(1.5) + "</h3>"); document.write("<h3>" + log(2.5) + "</h3>"); document.write("<h3>" + log(3.5) + "</h3>"); document.write("<h3>" + log(4.5) + "</h3>"); document.write("<h3>" + log(8.5) + "</h3>"); document.write( "<h3>" + log(10.5) + "</h3></div>"); var log = d3.scaleLog() // Domain .domain([1, 10]) // Range for the domain .range([0, 960]); document.write( "<div style=margin-left:10px;float:left;>"); document.write("<p> Without rangeRound()</p>"); document.write("<h3>" + log(1.5) + "</h3>"); document.write("<h3>" + log(2.5) + "</h3>"); document.write("<h3>" + log(3.5) + "</h3>"); document.write("<h3>" + log(4.5) + "</h3>"); document.write("<h3>" + log(8.5) + "</h3>"); document.write( "<h3>" + log(10.5) + "</h3></div>"); </script> </body> </html> |
Output:
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