Mini State Grid

A state grid inspired by an Allison McCann graphic on state taxes. (See also David Mimno’s implementation.)

Mainly, this was an excuse to embed data as ASCII art.

forked from SpaceActuary's block: State Grid

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

.state rect {
  fill: #dedede;
}

.state text {
  font: 12px sans-serif;
  text-anchor: middle;
}

.state--selected rect {
  fill: #9f4a6c;
}

.state--selected text {
  fill: white;
}

.d3-tip {
  line-height: 1;
  font-weight: bold;
  padding: 12px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  border-radius: 2px;
  pointer-events: none;
}

/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
  box-sizing: border-box;
  display: inline;
  font-size: 10px;
  width: 100%;
  line-height: 1;
  color: rgba(0, 0, 0, 0.8);
  position: absolute;
  pointer-events: none;
}

/* Northward tooltips */
.d3-tip.n:after {
  content: "\25BC";
  margin: -1px 0 0 0;
  top: 100%;
  left: 0;
  text-align: center;
}

/* Eastward tooltips */
.d3-tip.e:after {
  content: "\25C0";
  margin: -4px 0 0 0;
  top: 50%;
  left: -8px;
}

/* Southward tooltips */
.d3-tip.s:after {
  content: "\25B2";
  margin: 0 0 1px 0;
  top: -8px;
  left: 0;
  text-align: center;
}

/* Westward tooltips */
.d3-tip.w:after {
  content: "\25B6";
  margin: -4px 0 0 -1px;
  top: 50%;
  left: 100%;
}
</style>
<svg width="960" height="500"></svg>
<script id="grid" type="text/plain">
                              ME
               WI          VT NH
WA ID MT ND MN IL MI    NY MA
OR NV WY SD IA IN OH PA NJ CT RI
CA UT CO NE MO KY WV VA MD DE
   AZ NM KS AR TN NC SC
         OK LA MS AL GA
HI AK    TX             FL
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.6.7/d3-tip.js"></script>
<script>
  
var states = [],
    selectedStates = ["MA", "MD", "ME", "MI", "MN", "MO", "MS", "MT"];

d3.select("#grid").text().split("\n").forEach(function(line, i) {
  var re = /\w+/g, m;
  while (m = re.exec(line)) states.push({
    name: m[0],
    selected: selectedStates.indexOf(m[0]) >= 0,
    x: m.index / 3,
    y: i
  });
});

var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height");

var gridWidth = d3.max(states, function(d) { return d.x; }) + 1,
    gridHeight = d3.max(states, function(d) { return d.y; }) + 1,
    cellSize = 5;

var state = svg.append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
  .selectAll(".state")
    .data(states)
  .enter().append("g")
    .attr("class", function(d) { return "state" + (d.selected ? " state--selected" : ""); })
    .attr("transform", function(d) { return "translate(" + (d.x - gridWidth / 2) * cellSize + "," + (d.y - gridHeight / 2) * cellSize + ")"; });

state.append("rect")
    .attr("x", -cellSize / 2)
    .attr("y", -cellSize / 2)
    .attr("width", cellSize - 1)
    .attr("height", cellSize - 1);

/*state.append("text")
    .attr("dy", ".35em")
    .text(function(d) { return d.name; });
*/
  
  /* Initialize tooltip */
tip = d3.tip()
  			.html(function(d) { return d.name; })
				//.attr("color", function(d) { return d.selected ? "#9f4a6c" : "#dedede" ; });

/* Invoke the tip in the context of your visualization */
state.call(tip)

state
  /* Show and hide tip on mouse events */
  .on('mouseover', tip.show)
  .on('mouseout', tip.hide)
</script>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js

https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.6.7/d3-tip.js