asuozzo/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    A static beeswarm plot implemented using d3-force’s collision constraint. A Voronoi overlay improves hover interaction.
forked from mbostock's block: Beeswarm

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

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.axis text {
  font: 10px sans-serif;
}

.cells path {
  fill: none;
  pointer-events: all;
}

  .cells circle {
    stroke-width:.5;
  }
  svg .annotation {
    stroke-dasharray:4;
    stroke:gray;
  }

</style>
<svg id="facilityScores" width="100%" height="100"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var scores = [
  {"value":4},{"value":6},{"value":520},{"value":3},{"value":10},{"value":3}
]
var score = 520;
var scoreSvg = d3.select("#facilityScores")
var drawScoreChart = function(){
    var margin = {top: 40, right: 40, bottom: 40, left: 40},
    height = scoreSvg.attr("height") - margin.top - margin.bottom;

var formatValue = d3.format(",d");

var max = d3.max(scores, function(d){return d.value;});
var colorScale = d3.scaleLinear().domain([-20,520]).range(['#fff', '#a51b02']);
  scoreSvg.selectAll("*").remove();
  var width = parseInt(scoreSvg.style('width')) - margin.left - margin.right;
  var x = d3.scaleLinear()
    .rangeRound([0, width]);

  var g = scoreSvg.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

  x.domain(d3.extent(scores, function(d) { return d.value; }));

  var simulation = d3.forceSimulation(scores)
      .force("x", d3.forceX(function(d) { return x(d.value); }).strength(3))
      .force("y", d3.forceY(height / 2))
      .force("collide", d3.forceCollide(4))
      .stop();

  for (var i = 0; i < 120; ++i) simulation.tick();

  var cell = g.append("g")
      .attr("class", "cells")
    .selectAll("g").data(d3.voronoi()
        .extent([[-margin.left, -margin.top], [width + margin.right, height + margin.top]])
        .x(function(d) { return d.x; })
        .y(function(d) { return d.y; })
      .polygons(scores)).enter().append("g");

  cell.append("circle")
      .attr("r", 3.5)
      .attr("cx", function(d) { return d.data.x; })
      .attr("cy", function(d) {
    return d.data.y; })
  .style("fill",function(d){
    return colorScale(d.data.value);
  }).style(
  	"stroke","lightgray"
  );

  cell.append("path")
      .attr("d", function(d) { return "M" + d.join("L") + "Z"; });

	g.append("line")
  	.attr("x1", function(d){
    return x(score)
  })
    .attr("y1", -10)
    .attr("x2", function(d){
    return x(score)
  })
 		.attr("y2", height)
  	.attr("class","annotation")
  	.style("stroke","black")
}

d3.select(window).on('resize', drawScoreChart);
drawScoreChart();

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

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}

	.axis text {
	font: 10px sans-serif;
	}

	.cells path {
	fill: none;
	pointer-events: all;
	}

	.cells circle {
	stroke-width:.5;
	}
	svg .annotation {
	stroke-dasharray:4;
	stroke:gray;
	}

	</style>
	<svg id="facilityScores" width="100%" height="100"></svg>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script>

	var scores = [
	{"value":4},{"value":6},{"value":520},{"value":3},{"value":10},{"value":3}
	]
	var score = 520;
	var scoreSvg = d3.select("#facilityScores")
	var drawScoreChart = function(){
	var margin = {top: 40, right: 40, bottom: 40, left: 40},
	height = scoreSvg.attr("height") - margin.top - margin.bottom;

	var formatValue = d3.format(",d");

	var max = d3.max(scores, function(d){return d.value;});
	var colorScale = d3.scaleLinear().domain([-20,520]).range(['#fff', '#a51b02']);
	scoreSvg.selectAll("*").remove();
	var width = parseInt(scoreSvg.style('width')) - margin.left - margin.right;
	var x = d3.scaleLinear()
	.rangeRound([0, width]);

	var g = scoreSvg.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	x.domain(d3.extent(scores, function(d) { return d.value; }));

	var simulation = d3.forceSimulation(scores)
	.force("x", d3.forceX(function(d) { return x(d.value); }).strength(3))
	.force("y", d3.forceY(height / 2))
	.force("collide", d3.forceCollide(4))
	.stop();

	for (var i = 0; i < 120; ++i) simulation.tick();

	var cell = g.append("g")
	.attr("class", "cells")
	.selectAll("g").data(d3.voronoi()
	.extent([[-margin.left, -margin.top], [width + margin.right, height + margin.top]])
	.x(function(d) { return d.x; })
	.y(function(d) { return d.y; })
	.polygons(scores)).enter().append("g");

	cell.append("circle")
	.attr("r", 3.5)
	.attr("cx", function(d) { return d.data.x; })
	.attr("cy", function(d) {
	return d.data.y; })
	.style("fill",function(d){
	return colorScale(d.data.value);
	}).style(
	"stroke","lightgray"
	);

	cell.append("path")
	.attr("d", function(d) { return "M" + d.join("L") + "Z"; });

	g.append("line")
	.attr("x1", function(d){
	return x(score)
	})
	.attr("y1", -10)
	.attr("x2", function(d){
	return x(score)
	})
	.attr("y2", height)
	.attr("class","annotation")
	.style("stroke","black")
	}

	d3.select(window).on('resize', drawScoreChart);
	drawScoreChart();

	</script>