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+/* ------------------------------------------------------------------------------
+ *
+ *  # D3.js - vertical bar chart
+ *
+ *  Demo d3.js vertical bar chart setup with .tsv data source
+ *
+ *  Version: 1.0
+ *  Latest update: August 1, 2015
+ *
+ * ---------------------------------------------------------------------------- */
+
+$(function () {
+
+    // Initialize chart
+    barVertical('#d3-bar-vertical', 400);
+
+    // Chart setup
+    function barVertical(element, height) {
+
+
+        // Basic setup
+        // ------------------------------
+
+        // Define main variables
+        var d3Container = d3.select(element),
+            margin = {top: 5, right: 10, bottom: 20, left: 40},
+            width = d3Container.node().getBoundingClientRect().width - margin.left - margin.right,
+            height = height - margin.top - margin.bottom - 5;
+
+
+
+        // Construct scales
+        // ------------------------------
+
+        // Horizontal
+        var x = d3.scale.ordinal()
+            .rangeRoundBands([0, width], .1, .5);
+
+        // Vertical
+        var y = d3.scale.linear()
+            .range([height, 0]);
+
+        // Color
+        var color = d3.scale.category20c();
+
+
+
+        // Create axes
+        // ------------------------------
+
+        // Horizontal
+        var xAxis = d3.svg.axis()
+            .scale(x)
+            .orient("bottom");
+
+        // Vertical
+        var yAxis = d3.svg.axis()
+            .scale(y)
+            .orient("left")
+            .ticks(10, "%");
+
+
+
+        // Create chart
+        // ------------------------------
+
+        // Add SVG element
+        var container = d3Container.append("svg");
+
+        // Add SVG group
+        var svg = container
+            .attr("width", width + margin.left + margin.right)
+            .attr("height", height + margin.top + margin.bottom)
+            .append("g")
+                .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
+
+
+
+        // Load data
+        // ------------------------------
+
+        d3.tsv("assets/demo_data/d3/bars/bars_basic.tsv", function(error, data) {
+
+            // Pull out values
+            data.forEach(function(d) {
+                d.frequency = +d.frequency;
+            });
+
+
+            // Set input domains
+            // ------------------------------
+
+            // Horizontal
+            x.domain(data.map(function(d) { return d.letter; }));
+
+            // Vertical
+            y.domain([0, d3.max(data, function(d) { return d.frequency; })]);
+
+
+            //
+            // Append chart elements
+            //
+
+            // Append axes
+            // ------------------------------
+
+            // Horizontal
+            svg.append("g")
+                .attr("class", "d3-axis d3-axis-horizontal d3-axis-strong")
+                .attr("transform", "translate(0," + height + ")")
+                .call(xAxis);
+
+            // Vertical
+            var verticalAxis = svg.append("g")
+                .attr("class", "d3-axis d3-axis-vertical d3-axis-strong")
+                .call(yAxis);
+
+            // Add text label
+            verticalAxis.append("text")
+                .attr("transform", "rotate(-90)")
+                .attr("y", 10)
+                .attr("dy", ".71em")
+                .style("text-anchor", "end")
+                .style("fill", "#999")
+                .style("font-size", 12)
+                .text("Frequency");
+
+
+            // Add bars
+            svg.selectAll(".d3-bar")
+                .data(data)
+                .enter()
+                .append("rect")
+                    .attr("class", "d3-bar")
+                    .attr("x", function(d) { return x(d.letter); })
+                    .attr("width", x.rangeBand())
+                    .attr("y", function(d) { return y(d.frequency); })
+                    .attr("height", function(d) { return height - y(d.frequency); })
+                    .style("fill", function(d) { return color(d.letter); });
+        });
+
+
+
+        // Resize chart
+        // ------------------------------
+
+        // Call function on window resize
+        $(window).on('resize', resize);
+
+        // Call function on sidebar width change
+        $('.sidebar-control').on('click', resize);
+
+        // Resize function
+        // 
+        // Since D3 doesn't support SVG resize by default,
+        // we need to manually specify parts of the graph that need to 
+        // be updated on window resize
+        function resize() {
+
+            // Layout variables
+            width = d3Container.node().getBoundingClientRect().width - margin.left - margin.right;
+
+
+            // Layout
+            // -------------------------
+
+            // Main svg width
+            container.attr("width", width + margin.left + margin.right);
+
+            // Width of appended group
+            svg.attr("width", width + margin.left + margin.right);
+
+
+            // Axes
+            // -------------------------
+
+            // Horizontal range
+            x.rangeRoundBands([0, width], .1, .5);
+
+            // Horizontal axis
+            svg.selectAll('.d3-axis-horizontal').call(xAxis);
+
+
+            // Chart elements
+            // -------------------------
+
+            // Line path
+            svg.selectAll('.d3-bar').attr("x", function(d) { return x(d.letter); }).attr("width", x.rangeBand());
+        }
+    }
+});