The d3.ribbon() function in D3.js is used to return a constructed new ribbon generator with the default settings.
Syntax:
d3.ribbon();
Parameters: This function does not accept any parameters.
Return Value: This function returns the newly constructed ribbon generator.
Below programs illustrate the d3.ribbon() function in D3.js
Example 1:
HTML
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> </head> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js | d3.ribbon() Function</h3> <div id="GFG"></div> <script> // Create the svg area var svg = d3.select("#GFG") .append("svg") .attr("width", 300) .attr("height", 300) .append("g") .attr("transform", "translate(150,150)"); // Create input data var data = [[ 51, 148, 60, 71, 34, 5, 1], [ 10, 161, 80, 80, 12, 34, 53], [175, 71, 16, 68, 0, 0, 3], [ 13, 990, 9, 69, 76, 35, 4], [ 51, 148, 60, 71, 34, 5, 1]]; // Give this matrix to d3.chord() var chords = d3.chord() .padAngle(0.2) .sortSubgroups(d3.descending) .sortChords(d3.descending) (data); // Use of d3.ribbon() function var ribboon = d3.ribbon().radius(140); svg.datum(chords) .append("g") .selectAll("path") .data(function (d) { return d; }) .enter() .append("path") .attr("d", ribboon) .style("fill", "#449db8") .style("stroke", "black"); </script> </center> </body> </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src= </script> <script src= </script> </head> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js | d3.ribbon() Function</h3> <div id="GFG"></div> <script> // Create the svg area var svg = d3.select("#GFG") .append("svg") .attr("width", 320) .attr("height", 320) .append("g") .attr("transform", "translate(160,160)"); // Create input data var data = [[0, 58, 71, 89, 16, 28, 68], [ 19, 51, 0, 20, 60, 61, 71], [ 80, 10, 16, 145, 0, 80, 45], [ 10, 13, 9, 90, 94, 0, 0], [ 80, 10, 16, 145, 0, 80, 45], [ 10, 13, 9, 90, 94, 0, 0]]; // 4 groups, so create a vector of 4 colors var colors = [d3.schemeCategory10[0], d3.schemeCategory10[1], d3.schemeCategory10[2], d3.schemeCategory10[3], d3.schemeCategory10[4], d3.schemeCategory10[5], d3.schemeCategory10[6], d3.schemeCategory10[7]]; // Give this matrix to d3.chord() var chords = d3.chord() .padAngle(0.175) .sortSubgroups(d3.ascending) (data); svg.datum(chords) .append("g") .selectAll("path") .data(function (d) { return d; }) .enter() .append("path") .attr("d", d3.ribbon() .radius(150) ) .style("fill", function (d) { return (colors[d.source.index]) }) .style("stroke", "black"); </script> </center> </body> </html> |
Output:
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