D3.js scaleLinear() method
The d3.scaleLinear() method is used to create a visual scale point. This method is used to transform data values into visual variables.
Syntax:
d3.scaleLinear();
Parameters: This method takes no parameters.
Return Value: This method returns a Linear scale function.
Example 1: Plotting scale points.
<!DOCTYPE html> <html> <meta charset="utf-8"> <head>   <title>Line in D3.js</title> </head> <script src= </script>   <body>     <h1 style="text-align: center;                color: green;">        zambiatek     </h1>   <center>     <svg width="700" height="40">     <g class="scal" transform="translate(40, 30)">     </g>   </svg> </center>   <script> var points = [ 0, 2, 4, 6, 7.72, 9.11, 9.99 ];   var ScaleGener = d3.scaleLinear()   .domain([0, 10])   .range([0, 600]);     d3.select('svg .scal')     .selectAll('circle')     .data(points)     .enter()     .append('circle')     .attr('r', 3)     .attr('fill', "green")     .attr('cx', function(d) {         return ScaleGener(d);     }); </script> </body> </html> |
Output:
Example 2: Setting text for each point.
<!DOCTYPE html> <html> <meta charset="utf-8"> <head>   <title>Line in D3.js</title> </head> <script src= </script>   <body>     <h1 style="text-align: center;                color: green;">       zambiatek     </h1>   <center>     <svg width="700" height="40">     <g class="scal" transform="translate(40, 30)">     </g>   </svg> </center>   <script> var points = [ 0, 2, 4, 6, 7.72, 9.11, 9.99 ];   var ScaleGener = d3.scaleLinear()   .domain([0, 10])   .range([0, 600]);     d3.select('svg .scal')     .selectAll('circle')     .data(points)     .enter()     .append('circle')     .attr('r', 3)     .attr('fill', "green")     .attr('cx', function(d) {         return ScaleGener(d);     });   d3.select('svg .scal')     .selectAll('text')     .data(points)     .enter()     .append('text')     .attr('x', function(d) {         return ScaleGener(d);     })     .attr('y', -10)     .text(function(d) {         return d;     });   </script> </body> </html> |
Output:
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