From 475275e0bb1d7e494ff3579595bf0e8dcda8474a Mon Sep 17 00:00:00 2001
From: Ben Burwell <ben@benburwell.com>
Date: Sun, 29 Mar 2015 00:45:49 -0400
Subject: Add visualizing congress with D3 post

---
 assets/scripts/d3/religion_v0.js | 97 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 assets/scripts/d3/religion_v0.js

(limited to 'assets/scripts/d3/religion_v0.js')

diff --git a/assets/scripts/d3/religion_v0.js b/assets/scripts/d3/religion_v0.js
new file mode 100644
index 0000000..6391195
--- /dev/null
+++ b/assets/scripts/d3/religion_v0.js
@@ -0,0 +1,97 @@
+(function() {
+
+  var transform = function(data) {
+    // Set up an object and an array to use
+    var religion_data = { "Unknown": 0 };
+    var religion_array = [];
+
+    // For each legislator, increment the key associated with their religion
+    for (var i = 0; i < data.length; i++) {
+      var d = data[i];
+
+      // Make sure they have a religion listed
+      if (d.bio.religion) {
+
+        // If the key already exists, increment it
+        if (religion_data[d.bio.religion]) {
+          religion_data[d.bio.religion]++;
+        }
+
+        // Otherwise, initialize a new key as 1
+        else {
+          religion_data[d.bio.religion] = 1;
+        }
+      }
+
+      // If they don't have a religion in their bio, we'll increment "Unknown"
+      else {
+        religion_data["Unknown"]++;
+      }
+    }
+
+    // Now convert our object to an array for use in the pie chart
+    for (var e in religion_data) {
+      religion_array.push({
+        name: e,
+        count: religion_data[e]
+      });
+    }
+
+    return religion_array;
+  };
+
+  var width = 960;
+  var barHeight = 25;
+  var margin = 215;
+
+  d3.json("/assets/data/legislators-current.json", function(data) {
+
+    var filtered = transform(data.legislators).filter(function(d) {
+      return d.name !== "Unknown";
+    }).sort(function(a, b) {
+      if (a.count < b.count) return 1;
+      if (a.count > b.count) return -1;
+      return 0;
+    });
+
+    var container = d3.select("div#d3religion_v0")
+      .append("svg")
+        .attr("width", width)
+        .attr("height", barHeight * filtered.length);
+
+    var x = d3.scale.linear()
+      .domain([0, d3.max(filtered.map(function(d) { return d.count; }))])
+      .range([0, width - margin]);
+
+    // Add the arc segments to our visualization
+    var bar = container.selectAll("g")
+      .data(filtered)
+      .enter()
+      .append("g")
+        .attr("transform", function(d, i) { return "translate(0, " + i * barHeight + ")"; });
+
+    bar.append("rect")
+      .attr("width", function(d) { return x(d.count); })
+      .attr("height", barHeight - 1)
+      .attr("transform", function(d, i) { return "translate(" + (width - margin - x(d.count)) + ", 0)"})
+      .style("fill", "steelblue");
+
+    bar.append("text")
+      .attr("x", width - margin + 5)
+      .attr("y", barHeight / 2)
+      .attr("dy", ".35em")
+      .style("font-size", "15px")
+      .style("font-family", "open_sans")
+      .text(function(d) { return d.name; });
+
+    bar.append("text")
+      .attr("x", function(d) { return width - margin - x(d.count) + 5; })
+      .attr("y", barHeight / 2)
+      .attr("dy", ".35em")
+      .style("font-size", "15px")
+      .style("font-family", "open_sans")
+      .style("fill", "white")
+      .text(function(d) { return d.count; });
+
+  });
+})();
-- 
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