how to do world atlas in svg and country information free html css and javascript?

How to Create a World Atlas Using SVG and Country Information in HTML, CSS, and JavaScript

Creating a world atlas using SVG and country information can be a great way to display geographic data in a visually appealing and interactive way. Here are a few ways to accomplish this:

Method 1: Use an Existing Library

If you don't have experience with SVG or don't want to reinvent the wheel, you can use an existing library to create a world atlas. One popular library is D3.js, which provides a variety of tools for creating interactive data visualizations, including maps.

To use D3.js for a world atlas, you would need to:

1. Import the D3.js library in your HTML code:

 <script src="https://d3js.org/d3.v6.min.js"></script> 

1. Create a container for your map using HTML and CSS:

 <div id="map"></div> 

#map {
  width: 100%;
  height: 500px;
}

1. Load the world map data in JSON format:

 d3.json("https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/world.geojson", function(data) {
  // Code to create map goes here
}); 

1. Create the map using D3.js functions:

 var svg = d3.select("#map").append("svg")
  .attr("width", "100%")
  .attr("height", "100%");

var projection = d3.geoMercator()
  .scale(130)
  .translate([width / 2, height / 1.5]);

var path = d3.geoPath()
  .projection(projection);

svg.selectAll("path")
  .data(data.features)
  .enter()
  .append("path")
    .attr("d", path)
    .style("fill", "#69b3a2")
    .style("stroke", "white")
    .style("stroke-width", 0.5); 

This will give you a basic world map that you can customize with additional features, such as country borders, labels, and tooltips.

Method 2: Create Your Own SVG Map

If you want more control over the design and functionality of your world atlas, you can create your own SVG map using HTML, CSS, and JavaScript. Here are some steps to follow:

1. Create an SVG container in your HTML code:

 <svg width="100%" height="500" viewBox="0 0 800 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"></svg> 

1. Load and parse the world map data in JSON format:

 d3.json("https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/world.geojson", function(data) {
  // Code to create map goes here
}); 

1. Create the map using SVG elements and JavaScript:

 var projection = d3.geoMercator()
  .center([0, 30])
  .scale(150)
  .rotate([-180,0]);

var path = d3.geoPath()
  .projection(projection);

svg.selectAll("path")
  .data(data.features)
  .enter()
  .append("path")
    .attr("d", path)
    .style("fill", "#69b3a2")
    .style("stroke", "white")
    .style("stroke-width", 0.5); 

This code will create a basic world map that you can customize with additional SVG elements, such as country borders, labels, and tooltips.

Method 3: Add Country Information and Interactivity

To make your world atlas more informative and interactive, you can add country-specific data and features. One way to do this is to use an API that provides country information, such as REST Countries.

1. Get the country data from the API using JavaScript:

 fetch("https://restcountries.com/v3.1/all")
  .then(response => response.json())
  .then(data => {
    // Code to process data goes here
  }); 

1. Process the data and add it to the map using JavaScript:

 var countries = svg.selectAll("path")
  .data(data.features)
  .enter()
  .append("path")
    .attr("d", path)
    .style("fill", "#69b3a2")
    .style("stroke", "white")
    .style("stroke-width", 0.5)
    .on("mouseover", function(d) {
      // Code to show country information goes here
    })
    .on("mouseout", function(d) {
      // Code to hide country information goes here
    }); 

This code will add interactivity to your world atlas by showing country information when the user hovers over a country. You can customize the information that is shown and the way it is displayed using HTML, CSS, and JavaScript.