The d3.axis.scale() Function in D3.js is used to sets the scale and return the axis. If this function is not provided with a specified scale, returns the current scale.
Syntax:
axis.scale([scale])
Parameters: This function accepts only a single parameter as mentioned above and described below:
- scale: This parameter is an optional parameter and it holds the used scale.
Return Value: This function returns the axis.
Below programs illustrate the d3.axis.scale() function in D3.js:
Example 1:
HTML
<!DOCTYPE html> <html> <head> <title> D3.js | d3.axisBottom() Function </title> <script type="text/javascript" </script> <style> svg text { fill: green; font: 15px sans-serif; text-anchor: center; } </style> </head> <body> <script> var width = 400, height = 400; var svg = d3.select("body") .append("svg") .attr("width", width) .attr("height", height); var xscale = d3.scaleLinear() .domain([0, 10]) .range([0, width - 60]); var x_axis = d3.axisBottom().scale(xscale); var xAxisTranslate = height / 2; svg.append("g") .attr("transform", "translate(50, " + xAxisTranslate + ")") .call(x_axis) </script> </body> </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html> <head> <title> D3.js | d3.axisRight() Function </title> <script type="text/javascript" </script> <style> svg text { fill: green; font: 15px sans-serif; text-anchor: start; } </style> </head> <body> <script> var width = 400, height = 400; var svg = d3.select("body") .append("svg") .attr("width", width) .attr("height", height); var yscale = d3.scaleLinear() .domain([0, 10]) .range([height - 50, 0]); var y_axis = d3.axisRight().scale(yscale); svg.append("g") .attr("transform", "translate(100,20)") .call(y_axis) </script> </body> </html> |
Output:
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