xergioalex/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org
forked from john-guerra's block: D3 Force Simulation

  
## index.html
<!DOCTYPE html>
<head>
  <meta charset="utf-8">

  <style>
  </style>
</head>

<body>
  <h1>Force Directed layout</h1>
  <svg
    width=800
    height=400
    id="network"></svg>

    <script src="https://d3js.org/d3.v4.min.js"></script>
  <script>
    // Copy drag from: https://bl.ocks.org/mbostock/4062045

    let svg = d3.select("#network"),
        width = +svg.attr("width"),
        height = + svg.attr("height"),
        N = 100,
        r = d3.scaleSqrt()
    			.domain([0, 100])
    			.range([1, 15]);

    let nodes = d3.range(N).map(() => {
      return {
        age: Math.random()*100,
      };
    });

    let links = d3.range(N*3).map(() => {
      return {
        source:Math.floor(Math.random()*N),
        target:Math.floor(Math.random()*N)
      }
    });
    console.log(width, height);

    let simulation = d3.forceSimulation(nodes)
    	.force("center", d3.forceCenter(width/2, height/2))
    	.force("charge", d3.forceManyBody().strength(-5))
    	.force("collide", d3.forceCollide(16))
    	.force("link", d3.forceLink(links)
            	.distance(50))

    	.on("tick", ticked);


    console.log("nodes", nodes);
    console.log("links", links);


    let sellinks = svg.selectAll(".link")
    	.data(links)
    	.enter()
    	.append("line")
    	.attr("class", "link")
      .style("stroke", "#aaa")
      .style("opacity", 0.9)

    let selnodes = svg.selectAll(".node")
    	.data(nodes)
    	.enter()
    	.append("circle")
    	.attr("class", "node")
      .style("fill", "steelblue")
      .attr("r", 15)

   function ticked() {
			sellinks.attr("x1", (l) => l.source.x)
        .attr("y1", (l) => l.source.y)
        .attr("x2", (l) => l.target.x)
        .attr("y2", (l) => l.target.y);

      selnodes.attr("cx", (d) => d.x)
	      .attr("cy", (d) => d.y);

//      console.log("ticked!");

   }


  </script>
</body>
	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">

	<style>
	</style>
	</head>

	<body>
	<h1>Force Directed layout</h1>
	<svg
	width=800
	height=400
	id="network"></svg>

	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script>
	// Copy drag from: https://bl.ocks.org/mbostock/4062045

	let svg = d3.select("#network"),
	width = +svg.attr("width"),
	height = + svg.attr("height"),
	N = 100,
	r = d3.scaleSqrt()
	.domain([0, 100])
	.range([1, 15]);

	let nodes = d3.range(N).map(() => {
	return {
	age: Math.random()*100,
	};
	});

	let links = d3.range(N*3).map(() => {
	return {
	source:Math.floor(Math.random()*N),
	target:Math.floor(Math.random()*N)
	}
	});
	console.log(width, height);

	let simulation = d3.forceSimulation(nodes)
	.force("center", d3.forceCenter(width/2, height/2))
	.force("charge", d3.forceManyBody().strength(-5))
	.force("collide", d3.forceCollide(16))
	.force("link", d3.forceLink(links)
	.distance(50))

	.on("tick", ticked);


	console.log("nodes", nodes);
	console.log("links", links);


	let sellinks = svg.selectAll(".link")
	.data(links)
	.enter()
	.append("line")
	.attr("class", "link")
	.style("stroke", "#aaa")
	.style("opacity", 0.9)

	let selnodes = svg.selectAll(".node")
	.data(nodes)
	.enter()
	.append("circle")
	.attr("class", "node")
	.style("fill", "steelblue")
	.attr("r", 15)

	function ticked() {
	sellinks.attr("x1", (l) => l.source.x)
	.attr("y1", (l) => l.source.y)
	.attr("x2", (l) => l.target.x)
	.attr("y2", (l) => l.target.y);

	selnodes.attr("cx", (d) => d.x)
	.attr("cy", (d) => d.y);

	// console.log("ticked!");

	}













































	</script>
	</body>