The basis curve interpolator produces cubic basis splines where the points provided to the generators are used as control points. There is a curve in the line based on the cubic splines.
Syntax:
d3.curveBasis()
Parameters: This method takes no parameters
Return Value: This method returns nothing.
Example 1:
HTML
<!DOCTYPE html> <html> <meta charset="utf-8"> <head> <script src= </script> </head> <body> <h1 style="text-align:center; color:green;"> neveropen </h1> <center> <svg id="gfg" width="200" height="200"></svg> </center> <script> var data = [ { x: 0, y: 0 }, { x: 1, y: 3 }, { x: 2, y: 15 }, { x: 5, y: 15 }, { x: 6, y: 1 }, { x: 7, y: 5 }, { x: 8, y: 1 }]; var xScale = d3.scaleLinear() .domain([0, 8]).range([25, 175]); var yScale = d3.scaleLinear() .domain([0, 20]).range([175, 25]); var line = d3.line() .x((d) => xScale(d.x)) .y((d) => yScale(d.y)) // curveBasis is used .curve(d3.curveBasis); d3.select("#gfg") .append("path") .attr("d", line(data)) .attr("fill", "none") .attr("stroke", "green"); </script> </body> </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html> <meta charset="utf-8"> <head> <script src= </script> </head> <body> <h1 style="text-align:center; color:green;"> neveropen </h1> <center> <svg id="gfg" width="200" height="200"></svg> </center> <script> var points = [ { xpoint: 25, ypoint: 150 }, { xpoint: 75, ypoint: 85 }, { xpoint: 100, ypoint: 115 }, { xpoint: 175, ypoint: 25 }]; var Gen = d3.line() .x((p) => p.xpoint) .y((p) => p.ypoint) .curve(d3.curveBasis); d3.select("#gfg") .append("path") .attr("d", Gen(points)) .attr("fill", "none") .attr("stroke", "green"); </script> </body> </html> |
Output:
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