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fix: [chat d3 heatmap] add missing function
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terrtia
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var/www/static/js/d3/heatmap_week_hour.js
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var/www/static/js/d3/heatmap_week_hour.js
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//Requirement: - D3v5
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// - jquery
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// data input: var data = [{"count":0,"date":"2023-11-20","day":0,"hour":0}
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// based on gist nbremer/62cf60e116ae821c06602793d265eaf6
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// container_id = #heatmapweekhour
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const create_heatmap_week_hour = (container_id, data, options) => {
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var days = ["Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
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times = d3.range(24);
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var margin = {
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top: 80,
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right: 50,
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bottom: 20,
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left: 50
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};
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var width = Math.max(Math.min(window.innerWidth, 1000), 500) - margin.left - margin.right - 20,
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gridSize = Math.floor(width / times.length),
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height = gridSize * (days.length + 2);
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var heatmap_font_size = width * 62.5 / 900;
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//SVG container
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var svg = d3.select(container_id)
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.append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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// create a tooltip
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const tooltip = d3.select(container_id)
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.append("div")
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.style("opacity", 0)
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.attr("class", "tooltip")
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.style("background-color", "white")
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.style("border", "solid")
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.style("border-width", "2px")
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.style("border-radius", "5px")
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.style("padding", "5px")
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// Three function that change the tooltip when user hover / move / leave a cell
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const mouseover = function(d) {
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tooltip.style("opacity", 1)
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d3.select(this)
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.style("stroke", "black")
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//.style("stroke-opacity", 1)
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tooltip.html(d.date + " " + d.hour + "-" + (d.hour + 1) + "h: <b>" + d.count + "</b> messages")
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}
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const mouseleave = function(d) {
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tooltip.style("opacity", 0)
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d3.select(this)
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.style("stroke", "white")
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//.style("stroke-opacity", 0.8)
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}
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///////////////////////////////////////////////////////////////////////////
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//////////////////////////// Draw Heatmap /////////////////////////////////
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///////////////////////////////////////////////////////////////////////////
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var colorScale = d3.scaleLinear()
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.domain([0, d3.max(data, function (d) {
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return d.count;
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}) / 2, d3.max(data, function (d) {
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return d.count;
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})])
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.range(["#FFFFF6", "#3E9583", "#1F2D86"])
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//.interpolate(d3.interpolateHcl);
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var dayLabels = svg.selectAll(".dayLabel")
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.data(days)
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.enter().append("text")
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.text(function (d) {
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return d;
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})
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.attr("x", 0)
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.attr("y", function (d, i) {
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return i * gridSize;
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})
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.style("text-anchor", "end")
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.attr("transform", "translate(-36, -11)")
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.attr("class", function (d, i) {
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return ((i >= 0 && i <= 4) ? "dayLabel mono axis axis-workweek" : "dayLabel mono axis");
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})
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.style("font-size", heatmap_font_size + "%");
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var timeLabels = svg.selectAll(".timeLabel")
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.data(times)
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.enter().append("text")
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.text(function (d) {
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return d;
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})
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.attr("x", function (d, i) {
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return i * gridSize;
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})
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.attr("y", 0)
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.style("text-anchor", "middle")
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.attr("transform", "translate(-" + gridSize / 2 + ", -36)")
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.attr("class", function (d, i) {
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return ((i >= 8 && i <= 17) ? "timeLabel mono axis axis-worktime" : "timeLabel mono axis");
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})
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.style("font-size", heatmap_font_size + "%");
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var heatMap = svg.selectAll(".hour")
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.data(data)
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.enter().append("rect")
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.attr("x", function (d) {
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return (d.hour - 1) * gridSize;
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})
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.attr("y", function (d) {
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return (d.day - 1) * gridSize;
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})
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.attr("class", "hour bordered")
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.attr("width", gridSize)
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.attr("height", gridSize)
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.style("stroke", "white")
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.style("stroke-opacity", 0.6)
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.style("fill", function (d) {
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return colorScale(d.count);
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})
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.on("mouseover", mouseover)
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.on("mouseleave", mouseleave);
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//Append title to the top
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svg.append("text")
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.attr("class", "title")
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.attr("x", width / 2)
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.attr("y", -60)
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.style("text-anchor", "middle")
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.text("Chat Messages");
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///////////////////////////////////////////////////////////////////////////
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//////////////// Create the gradient for the legend ///////////////////////
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///////////////////////////////////////////////////////////////////////////
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//Extra scale since the color scale is interpolated
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var countScale = d3.scaleLinear()
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.domain([0, d3.max(data, function (d) {
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return d.count;
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})])
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.range([0, width])
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//Calculate the variables for the temp gradient
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var numStops = 10;
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countRange = countScale.domain();
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countRange[2] = countRange[1] - countRange[0];
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countPoint = [];
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for (var i = 0; i < numStops; i++) {
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countPoint.push(i * countRange[2] / (numStops - 1) + countRange[0]);
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}
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//Create the gradient
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svg.append("defs")
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.append("linearGradient")
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.attr("id", "legend-heatmap")
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.attr("x1", "0%").attr("y1", "0%")
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.attr("x2", "100%").attr("y2", "0%")
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.selectAll("stop")
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.data(d3.range(numStops))
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.enter().append("stop")
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.attr("offset", function (d, i) {
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return countScale(countPoint[i]) / width;
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})
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.attr("stop-color", function (d, i) {
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return colorScale(countPoint[i]);
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});
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///////////////////////////////////////////////////////////////////////////
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////////////////////////// Draw the legend ////////////////////////////////
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///////////////////////////////////////////////////////////////////////////
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var legendWidth = Math.min(width * 0.8, 400);
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//Color Legend container
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var legendsvg = svg.append("g")
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.attr("class", "legendWrapper")
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.attr("transform", "translate(" + (width / 2) + "," + (gridSize * days.length) + ")"); // 319
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//Draw the Rectangle
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legendsvg.append("rect")
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.attr("class", "legendRect")
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.attr("x", -legendWidth / 2)
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.attr("y", 0)
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//.attr("rx", hexRadius*1.25/2)
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.attr("width", legendWidth)
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.attr("height", 10)
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.style("fill", "url(#legend-heatmap)");
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//Append title
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legendsvg.append("text")
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.attr("class", "legendTitle")
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.attr("x", 0)
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.attr("y", -10)
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.style("text-anchor", "middle")
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.text("Number of Messages");
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//Set scale for x-axis
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var xScale = d3.scaleLinear()
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.range([-legendWidth / 2, legendWidth / 2])
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.domain([0, d3.max(data, function (d) {
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return d.count;
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})]);
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//Define x-axis
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var xAxis = d3.axisBottom(xScale)
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//.orient("bottom")
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.ticks(5);
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//.tickFormat(formatPercent)
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//Set up X axis
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legendsvg.append("g")
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.attr("class", "axis")
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.attr("transform", "translate(0," + (10) + ")")
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.call(xAxis);
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// return svg ???
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// return svg
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}
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