The D3.js stackOrderOffsetExpand() method applies a zero baseline and normalizes the values for each point such that the topline is always one.
Syntax:
d3.stackOrderOffsetExpand(series, order);
Parameters: This function accepts two parameters as mentioned above and described below.
- series: This is the series based on which offset is expanded.
- order: This is the ordering of the stack.
Return Value: This method returns no value.
Example:
HTML
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src= </script> </head> <body> <h1 style="text-align: center; color: green;"> neveropen </h1> <script> var data = [ {letter: {a: 1000, b: 2000, c: 3000, d: 4000}}, {letter: {a: 2000, b: 3000, c: 4000, d: 5000}}, {letter: {a: 640, b: 960, c: 640, d: 400}}, {letter: {a: 320, b: 480, c: 640, d: 400}} ]; var stack = d3.stack() .keys(["a", "b", "c", "d"]) .value((d, key) => d.letter[key]) .order(d3.stackOrderNone) // Use of d3.stackOrderOffsetExpand() Method .offset(d3.stackOffsetExpand); var series = stack(data); console.log(series); </script> </body> </html> |
Output:
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