D3.js brushY() Function

0 0 1 minute read

The d3.brushY() function in D3.js is used to create a new one-dimensional brush along the y-dimension.

Syntax:

d3.brushY();

Parameters: This function does not accept any parameters.

Return Value: This function returns a newly created One Dimensional brush along the y-axis

Example: In this example, we will create a One Dimensional brush along with the y-axis brush of size 600×600 pixels on an SVG element using this method.

HTML

<!DOCTYPE html>  
<html>  
      
<head>  
    <title>  
        D3.js | d3.brushY() Function  
    </title>  
      
    <script src =  
        "https://d3js.org/d3.v4.min.js">  
    </script>  
</head>  
  
<body>  
    <svg width=600 height=600 id="brush"></svg> 
    <script>  
          
        // Selecting SVG element 
        d3.select("#brush") 
        // Creating a brush along y-axis  
        // using the d3.brush function 
        .call( d3.brushY()              
        // Initialise the brush area: start at  
        // 0,0 and finishes at given width,height 
        .extent( [ [0,0], [600,600] ] )        
      ) 
    </script>  
</body>  
  
</html>  

Output:

Reference: https://devdocs.io/d3~5/d3-brush#brushY

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