mbostock · February 9, 2016 02:00 · Feb 9, 2016 · Oct 31, 2015 · Jun 11, 2015 · Jun 11, 2015
diff --git a/.block b/.block
@@ -0,0 +1 @@
+license: gpl-3.0
diff --git a/index.html b/index.html
@@ -16,9 +16,9 @@
 
 </style>
 <body>
-<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-geo-projection/0.2.9/d3.geo.projection.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>
+<script src="//d3js.org/d3.v3.min.js"></script>
+<script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
+<script src="//d3js.org/topojson.v1.min.js"></script>
 <script>
 
 var width = 960,

diff --git a/index.html b/index.html
@@ -38,7 +38,7 @@
     .attr("height", height);
 
 d3.json("va-counties.json", function(error, topo) {
-  if (error) return console.error(error);
+  if (error) throw error;
 
   var state = topojson.feature(topo, topo.objects.states),
       bounds = path.bounds(state);

diff --git a/index.html b/index.html
@@ -16,9 +16,9 @@
 
 </style>
 <body>
-<script src="http://d3js.org/d3.v3.min.js"></script>
-<script src="http://d3js.org/d3.geo.projection.v0.min.js"></script>
-<script src="http://d3js.org/topojson.v1.min.js"></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-geo-projection/0.2.9/d3.geo.projection.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>
 <script>
 
 var width = 960,
@@ -38,6 +38,8 @@
     .attr("height", height);
 
 d3.json("va-counties.json", function(error, topo) {
+  if (error) return console.error(error);
+
   var state = topojson.feature(topo, topo.objects.states),
       bounds = path.bounds(state);
 

diff --git a/thumbnail.png b/thumbnail.png
diff --git a/README.md b/README.md
@@ -0,0 +1 @@
+Make with `make topo/va-counties.json` in the [U.S. Atlas project](https://github.com/mbostock/us-atlas).
diff --git a/index.html b/index.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<style>
+
+.state {
+  fill: #ccc;
+}
+
+.county-border {
+  fill: none;
+  stroke: #fff;
+  stroke-width: 1.01px;
+  stroke-linejoin: round;
+  stroke-linecap: round;
+}
+
+</style>
+<body>
+<script src="http://d3js.org/d3.v3.min.js"></script>
+<script src="http://d3js.org/d3.geo.projection.v0.min.js"></script>
+<script src="http://d3js.org/topojson.v1.min.js"></script>
+<script>
+
+var width = 960,
+    height = 500;
+
+var projection = d3.geo.conicConformal()
+    .parallels([38 + 02 / 60, 39 + 12 / 60])
+    .rotate([78 + 30 / 60, 0])
+    .scale(8000)
+    .translate([0, 0]);
+
+var path = d3.geo.path()
+    .projection(projection);
+
+var svg = d3.select("body").append("svg")
+    .attr("width", width)
+    .attr("height", height);
+
+d3.json("va-counties.json", function(error, topo) {
+  var state = topojson.feature(topo, topo.objects.states),
+      bounds = path.bounds(state);
+
+  projection
+      .translate([width / 2 - (bounds[0][0] + bounds[1][0]) / 2, height / 2 - (bounds[0][1] + bounds[1][1]) / 2]);
+
+  svg.append("path")
+      .datum(state)
+      .attr("class", "state")
+      .attr("d", path);
+
+  svg.append("path")
+      .datum(topojson.mesh(topo, topo.objects.counties, function(a, b) { return a !== b; }))
+      .attr("class", "county-border")
+      .attr("d", path);
+});
+
+</script>
diff --git a/va-counties.json b/va-counties.json
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Make with `make topo/va-counties.json` in the [U.S. Atlas project](https://github.com/mbostock/us-atlas).