How to wrap text in circle in d3.js?

by ryan.murray , in category: Javascript , 4 months ago

How to wrap text in circle in d3.js?

Facebook Twitter LinkedIn Telegram Whatsapp

1 answer

Member

by rollin , 4 months ago

@ryan.murray 

To wrap text in a circle in d3.js, you can use the d3.arc() function to create a circular path and then position the text along that path. Here is an example code snippet to wrap text in a circle in d3.js:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// Set up the SVG container
var svg = d3.select("body")
  .append("svg")
  .attr("width", 400)
  .attr("height", 400);

// Define the radius and center of the circle
var radius = 100;
var centerX = 200;
var centerY = 200;

// Create a circular path using d3.arc()
var arc = d3.arc()
  .innerRadius(radius)
  .outerRadius(radius);

// Create an array of text to display in the circle
var textArray = ["Text 1", "Text 2", "Text 3", "Text 4", "Text 5"];

// Add text elements along the circular path
svg.selectAll("text")
  .data(textArray)
  .enter()
  .append("text")
  .attr("transform", function(d, i) {
    var angle = i * (2 * Math.PI / textArray.length);
    return "translate(" + arc.centroid({startAngle: angle, endAngle: angle}) + ")";
  })
  .attr("text-anchor", "middle")
  .text(function(d) {
    return d;
  });


This code will create a circular path with a radius of 100 centered at (200, 200) and position the text elements along the circumference of the circle. You can customize the radius, center, and text content to suit your specific needs.