<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>GeoJSON Map with D3.js</title>
<script src="https://d3js.org/d3.v7.min.js"></script>
<style>
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f4f4f4;
}
svg {
border: 1px solid #ccc;
}
.state {
stroke: black;
stroke-width: 0.5;
transition: fill 0.3s;
}
.state:hover {
stroke-width: 1.5;
}
</style>
</head>
<body>
<svg width="1000" height="600"></svg>
<script>
const svg = d3.select("svg")
const map1 = new Map();
const color1 = "#75d795"
const color2 = "#ff7c7c"
const color3 = "#ffe77c"
const color4 = "#7c9dff"
// Credit: https://www.artcraftblend.com/blogs/colors/shades-of-pastel
const colorMap = {
"Tamil Nadu": color1,
"Kerala": color2,
"Karnataka": color3,
"Andhra Pradesh": color4,
"Maharashtra": color4,
"Goa": color3,
"Telangana": color2,
"Odisha": color3,
"Gujarat": color1,
"Rajasthan": color3,
"Chhattisgarh": color1,
"Jharkhand": color2,
"West Bengal": color1,
"Assam": color2,
"Meghalaya": color3,
"Tripura": color4,
"Mizoram": color1,
"Manipur": color3,
"Nagaland": color1,
"Arunachal Pradesh": color4,
"Sikkim": color2,
"Bihar": color3,
"Madhya Pradesh": color2,
"Uttar Pradesh": color4,
"Uttarakhand": color2,
"Haryana": color1,
"Punjab": color4,
"Himachal Pradesh": color3,
"Ladakh": color1,
"Jammu and Kashmir": color2,
}
const colors9 = ["#75d795", "#EFDFD8", "#D5F6FB", "#E5ECF8", "#F0EBD8", "#F7DFC2", "#B4D9EF", "#F8C57C", "#A4D8D8"]
function drawMap(world) {
const projection = d3.geoMercator().fitSize([1000,600], world)
const path = d3.geoPath().projection(projection);
// Draw the map
svg.selectAll("path")
.data(world.features)
.enter()
.append("path")
.attr("d", path)
.attr("class", "state")
.attr("fill", d => colorMap[d.properties.name])
.append("title") // Tooltip
.text(d => d.properties.name)
.each(function(d) {
map1.set(d.properties.name, d3.geoCentroid(d));
})
}
// Load GeoJSON file
d3.json("india.json").then(drawMap)
console.log(map1)
</script>
</body>
</html>