D3.js area.curve() Method

The d3.area.curve() method is used to give a curve to the area. D3.js provides several curve factories that can be used to give different curves.
Syntax:
d3.area.curve(curve_factory)
Parameters: This function accepts a single parameter as mentioned above and described below.
- curve_factory: This parameter is the type of curve to be given to the area.
Return Value: This method has no return value.
Example 1:
HTML
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src= </script> </head> <body> <h1 style="text-align: center; color: green;"> zambiatek </h1> <h3 style="text-align: center;"> D3.js | d3.area.curve() Method </h3> <center> <svg id="gfg" width="250" height="200"></svg> </center> <script> var points = [ {xpoint: 25, ypoint: 150}, {xpoint: 75, ypoint: 50}, {xpoint: 100, ypoint: 150}, {xpoint: 100, ypoint: 50}, {xpoint: 200, ypoint: 150}]; var Gen = d3.area() .x((p) => p.xpoint) .y0((p) => p.ypoint/2) .y1((p) => p.ypoint) // Using curveBasis .curve(d3.curveBasis); d3.select("#gfg") .append("path") .attr("d", Gen(points)) .attr("fill", "green") .attr("stroke", "black"); </script> </body> </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src= </script> </head> <body> <h1 style="text-align: center; color: green;"> zambiatek </h1> <h3 style="text-align: center;"> D3.js | d3.area.curve() Method </h3> <center> <svg id="gfg" width="250" height="200"></svg> </center> <script> var points = [ {xpoint: 25, ypoint: 150}, {xpoint: 75, ypoint: 50}, {xpoint: 100, ypoint: 150}, {xpoint: 100, ypoint: 50}, {xpoint: 200, ypoint: 150}]; var Gen = d3.area() .x((p) => p.xpoint) .y0((p) => p.ypoint/2) .y1((p) => p.ypoint) // Using curveCardinal .curve(d3.curveCardinal); d3.select("#gfg") .append("path") .attr("d", Gen(points)) .attr("fill", "green") .attr("stroke", "black"); </script> </body> </html> |
Output:
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