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: