Example of Oli Hawkin's D3-hexjson module, now with background grid.
forked from henryjameslau's block: Testing Oli's D3-hexjson
license: gpl-2.0 |
Example of Oli Hawkin's D3-hexjson module, now with background grid.
forked from henryjameslau's block: Testing Oli's D3-hexjson
{ | |
"layout":"odd-r", | |
"hexes": { | |
"Q0R0":{"q":0,"r":0}, | |
"Q1R1":{"q":1,"r":1}, | |
"Q1R2":{"q":1,"r":2}, | |
"Q2R3":{"q":2,"r":3} | |
} | |
} |
<html> | |
<head> | |
<style> | |
#vis { | |
margin: 0; | |
padding: 0; | |
text-align: center; | |
font-family: sans-serif; | |
font-size: 10pt; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="vis"></div> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script src="https://cdn.rawgit.com/olihawkins/d3-hexjson/master/build/d3-hexjson.js"></script> | |
<script> | |
d3.json("example-grid.hexjson", function(error, hexjson) { | |
// Set the size and margins of the svg | |
var margin = {top: 10, right: 10, bottom: 10, left: 10}, | |
width = 500 - margin.left - margin.right, | |
height = 420 - margin.top - margin.bottom; | |
// Create the svg element | |
var svg = d3 | |
.select("#vis") | |
.append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
// Create the grid hexes and render them | |
var grid = d3.getGridForHexJSON(hexjson); | |
var gridHexes = d3.renderHexJSON(grid, width, height); | |
// Render the data hexes | |
var hexes = d3.renderHexJSON(hexjson, width, height); | |
// Draw the background grid BEFORE the data | |
// Bind the grid hexes to g.grid elements of the svg and position them | |
var hexgrid = svg | |
.selectAll("g.grid") | |
.data(gridHexes) | |
.enter() | |
.append("g") | |
.attr("transform", function(hex) { | |
return "translate(" + hex.x + "," + hex.y + ")"; | |
}); | |
// Draw the polygons around each grid hex's centre | |
hexgrid | |
.append("polygon") | |
.attr("points", function(hex) {return hex.points;}) | |
.attr("stroke", "#b0b0b0") | |
.attr("stroke-width", "1") | |
.attr("fill", "#f0f0f0"); | |
// Bind the data hexes to g.data elements of the svg and position them | |
var hexmap = svg | |
.selectAll("g.data") | |
.data(hexes) | |
.enter() | |
.append("g") | |
.attr("transform", function(hex) { | |
return "translate(" + hex.x + "," + hex.y + ")"; | |
}); | |
// Draw the polygons around each data hex's centre | |
hexmap | |
.append("polygon") | |
.attr("points", function(hex) {return hex.points;}) | |
.attr("stroke", "white") | |
.attr("stroke-width", "2") | |
.attr("fill", "#b0e8f0"); | |
// Add the codes for the data hexes as labels | |
hexmap | |
.append("text") | |
.append("tspan") | |
.attr("text-anchor", "middle") | |
.text(function(hex) {return hex.key;}); | |
}); | |
</script> | |
</body> | |
</html> |