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drewleonard

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Early Warning Project, Interim

<!DOCTYPE html>
<html lang="en">
<head>
<link href='https://fonts.googleapis.com/css?family=Karla|Quantico|Audiowide' rel='stylesheet' type='text/css'>
<meta charset="utf-8">
<style>

.chartWrapper {
        width: 100%;
        height: 100%;
        position: absolute;
    }

.chartOne {
        width: 50%;
        height: 100%;
        float: left;
    }

.chartTwo {
        width: 50%;
        height: 100%;
        float: right;
    }

.xAxis text,
    .yAxis text {
        font-family: "Karla";
    }

.yAxis path,
    .yAxis .tick line,
    .xAxis .tick line {
        stroke: none;
    }

.bartext {
        font-family: "Karla";
        font-weight: bolder;
        fill: black; /*does this do anything impt.?*/
    }

.ttip {
        width: 250px;
        position: relative;
        background-color: rgba(255, 255, 255, 0.95);
        display: none;
        border: 1px solid;
        padding: 5px;
    }

br {
        display: block;
        content: "";
        margin-top: 7.5px;
    }

.ttipText {
        font-size:13px;
        padding: 0;
        margin: 0;
        font-weight: 300;
        font-family: "Karla";
    }

</style>
<title>Risk Bar Chart</title>
<script src="d3.v4.min.js"></script>

<script src="jquery.js"></script>
</head>
<body>
<div class="chartWrapper" id="wrapper">
<div class="chartOne" id="chartOne"></div>
<div class="chartTwo" id="chartTwo"></div>
</div>
<script type="text/javascript">

// todo
    // (1a) minimum height and width for chart
    // (1b) remove text after certain point
    // (2) Resize graph correctly (for page enlargement)
    // (3) Add color legend

/*------------------------------------
 INITIAL SETTINGS
 ------------------------------------*/

// number of countries to include in graph
var numCountries = 20;

// transition duration
var duration = 750;

// preparing data: files
var dictionary_data = "cjh12sep2016.csv", // all data
    secondChartData = "secondChartData.csv"; // order and labels of second chart data

// preparing data: locations
var forecast = [], // for first chart data
    reordered = [], // for second chart data
    labels = [], // for second chart labels
    tooltipVar = [],
    tooltipMetric = [],
    tooltipDataSource = [],
    varDict = {},
    varName,
    varData,
    varVals,
    valName;

// function to reorder data
function reorderDict(object, orderedList) {

tempDict = {};
    for (var i = 0; i < orderedList.length; i++) {
        test = object[orderedList[i]];
        tempDict[orderedList[i]] = test;
    }
    return tempDict;
}

// function for processing data
function truncateDecimals (number, digits) {

var multiplier = Math.pow(10, digits),
        adjustedNum = number * multiplier,
        truncatedNum = Math[adjustedNum < 0 ? 'ceil' : 'floor'](adjustedNum);

return truncatedNum / multiplier;

}

// SVG margins
var margin = {top: 30, right: 10, bottom: 30, left: 175, tooltip: 15},
    height,
    width;

// function to set dimensions (height and width)
function setDimensions() {
    width = (parseInt(d3.select(".chartOne").style("width")) - margin.left - margin.right);
    height = parseInt(d3.select(".chartOne").style("height")) - margin.top - margin.bottom;
}

// setting height and width
setDimensions();

// bar attributes
var bar = {padding: 0.1,
    color: {unfilled: "#0d2a52", filled: "#FA4C00"},
    clicked: null};

// initializing scales for first chart
var first_xScale = d3.scaleLinear(),
    first_yScale = d3.scaleBand()
        .padding(bar.padding);

// initializing scales for second chart
var second_xScale = d3.scaleLinear(),
    second_yScale = d3.scaleBand()
        .padding(bar.padding);

// function to set scales' ranges
function setScales(w, h) {

first_xScale.range([0, w - margin.left]);
    first_yScale.range([0, h]);

second_xScale.range([0, w - margin.left]);
    second_yScale.range([0, h]);

}

// setting scales' ranges
setScales(width, height);

// axes for first chart
var first_xAxis = d3.axisBottom()
    .scale(first_xScale)
    .ticks(Math.max(width / 75, 3));

var first_yAxis = d3.axisLeft()
    .scale(first_yScale);

// axes for second chart
var second_xAxis = d3.axisBottom()
    .scale(second_xScale)
    .ticks(Math.max(width / 75, 3)); // add ticks format

var second_yAxis = d3.axisLeft()
    .scale(second_yScale);

// SVG for first chart
var firstChart = d3.select("#chartOne")
    .append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("class", "chartOne")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

// SVG for second chart
var secondChart = d3.select("#chartTwo")
    .append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("class", "chartTwo")
    .attr("transform", "translate(" + (margin.left - (margin.left / 5)) + "," + margin.top + ")");

// create tooltip for second chart
var ttip = d3.select("body")
    .append("div")
    .attr("class", "ttip");

// eight step color scale
var step = d3.scaleLinear()
    .domain([0, 7])
    .range([0, 1]);

var colorScale = d3.scaleLinear()
    .domain([0, step(1), step(2), step(3), step(4), step(5), step(6), 7])
    .range(["#006600", "#00b33c",
        "#53ff1a", "#ffff00",
        "#ff9900", "#ff6600",
        "#e60000", "#ff0000"]);

// format decimal
var formatDecimal = d3.format(",.1%");

/*------------------------------------
 INITIALIZING CHARTS WITH DATA
 ------------------------------------*/

d3.queue()
    .defer(d3.csv, dictionary_data)
    .defer(d3.csv, secondChartData)
    .await(function(error, dictionary_data, secondChartData) {

if (error) {
            console.error(error);
        }

else {

// processing data for second chart
            for (var i = 0; i < secondChartData["columns"].length; i += 5) {
                reordered.push(secondChartData["columns"][i]);
                labels.push(secondChartData["columns"][i + 1]);
                tooltipVar.push(secondChartData["columns"][i + 2]);
                tooltipMetric.push(secondChartData["columns"][i + 3]);
                tooltipDataSource.push(secondChartData["columns"][i + 4]);
            }

// pushing each country's data to dictionary for first graph
            for (var i = 0; i < numCountries; i++) {
                var newCountry = Object();
                for (prop in dictionary_data[i]) {

// changes variable names to workable format
                    var newProp = prop.replace(/\./g, "_");
                    newCountry[newProp] = dictionary_data[i][prop];

// Converts quantitative variables to numbers
                    if (prop !== "sftgcode" && prop !== "country") {
                        newCountry[newProp] = Number(newCountry[newProp]);

}
                }
                forecast.push(newCountry);
                reorderedNewCountry = reorderDict(newCountry, reordered);
                varDict[dictionary_data[i].country] = reorderedNewCountry;
            }

// selecting top country in graph as the current country
            var current_country = forecast[0].country;

// modifying data for binary variables
            for (mod in varDict[current_country]) {

// check if variable is relevant
                if ((mod.slice(0, 6) !== "postcw")
                        && (mod.slice(mod.length - 3, mod.length)) === "PER") {

// temporary variables for holding variables' data
                    var tempVal;
                    var tempList = [];

// recording variables' data
                    for (country in varDict) {
                        tempVal = varDict[country][mod];

if (tempList.indexOf(tempVal) === -1) {
                            tempList.push(tempVal)
                        }
                    }

// changing zero values of binary variables
                    if (tempList.length === 2) {
                        for (country in varDict) {
                            if (varDict[country][mod] === 0) {
                                var max = Math.max.apply(null, tempList);
                                varDict[country][mod] = (1 - max);
                            }
                        }
                    }
                }
            }

// function to push currently selected country's data
            function pushVariableData(country) {

varName = []; // new names of variables
                varData = []; // percentage rankings of variables
                varVals = []; // values of variables
                valName = []; // names of variables

for (mod in varDict[country]) {

// check if variable is relevant
                    if (mod.slice(0, 6) !== "postcw") {
                        if (mod.slice(mod.length - 3, mod.length) === "PER") {
                            varData.push(truncateDecimals(varDict[country][mod] * 100, 1));
                            varName.push(mod);
                        }
                    else if (mod !== "forecast_year" && mod !== "year" && mod !== "date") {
                        varVals.push(varDict[country][mod]);
                        valName.push(mod);
                        }
                    }
                }
            }

// pushing currently selected country's data
            pushVariableData(current_country);

// scale range of data in the domain of first chart
            first_xScale.domain([0, d3.max(forecast, function(d) { return d.mean_p; })]);
            first_yScale.domain(forecast.map(function (d) { return d.country; }));

// scale range of data in the domain of second chart
            second_xScale.domain([0, 100]);
            second_yScale.domain(labels.map(function (d) { return d; }));

// create text for first chart
            firstChart.selectAll("text")
                .data(forecast)
                .enter()
                .append("text")
                .attr("class", "bartext")
                .attr("id", "firstBarText")
                .text(function(d) { return d3.format(".1%")(d.mean_p); })
                .attr("text-anchor", "middle")
                .attr("font-size", function() { return first_yScale.bandwidth() / 2; })
                .attr("x", function(d) {

// this works because most text has same # of chars, but not good in general
                    var textLength = this.getComputedTextLength();
                    return first_xScale(d.mean_p) + textLength;
                })
                .attr("y", function(d) {
                    return first_yScale(d.country) + (first_yScale.bandwidth() / 1.5);
                });

// create text for second chart
            secondChart.selectAll("text")
                .data(varData)
                .enter()
                .append("text")
                .attr("class", "bartext")
                .attr("id", "secondBarText")
                .text(function(d) { return formatDecimal(d / 100); })
                .attr("text-anchor", "middle")
                .attr("font-size", function() { return second_yScale.bandwidth() / 1.5; })
                .attr("x", function() {
                    var textLength = this.getComputedTextLength();
                    return second_xScale(100) + (textLength / 2) + (second_yScale.bandwidth() / 2); })
                .attr("y", function(d, i) {
                    var numBars = varData.length;
                    return (i * height / numBars) + (second_yScale.bandwidth() / 1.5);
                });

// create x axis for first chart
            firstChart.append("g")
                .attr("class", "xAxis")
                .attr("id", "first_xAxis")
                .attr("transform", "translate(0," + height + ")")
                .call(first_xAxis);

// create bars for first chart
            firstChart.selectAll("rect.firstBars")
                .data(forecast)
                .enter()
                .append("rect")
                .attr("id", "firstBars")
                .attr("x", 0)
                .attr("y", function(d) { return first_yScale(d.country) })
                .attr("width", function(d) { return first_xScale(d.mean_p); })
                .attr("height", first_yScale.bandwidth())
                .attr("fill", function(d, i) {
                    if (i === 0) {
                        return bar.color.filled; // first country loaded
                    } else {
                        return bar.color.unfilled;
                    }
                });

// create semi transparent bars for second chart
            secondChart.selectAll("rect.secondSecondBars")
                .data(varData)
                .enter()
                .append("rect")
                .attr("id", "secondSecondBars")
                .attr("x", 0)
                .attr("y", function(d, i) {
                    var numBars = varData.length;
                    return i * height / numBars;
                })
                .attr("width", second_xScale(100))
                .attr("height", second_yScale.bandwidth())
                .attr("fill", "#a9b1bc")
                .attr("opacity", 0.2);

// create bars for second chart
            secondChart.selectAll("rect.firstSecondBars")
                .data(varData)
                .enter()
                .append("rect")
                .attr("id", "firstSecondBars")
                .attr("x", 0)
                .attr("y", function(d, i) {
                    var numBars = varData.length;
                    return i * height / numBars;
                })
                .attr("width", function(d) { return second_xScale(d); })
                .attr("height", second_yScale.bandwidth())
                .attr("fill", function(d) { return colorScale((d / 100)); })
                .attr("stroke", "black")
                .attr("stroke-opacity", 0)
                .attr("stroke-width", 2);

// create x axis for second chart
            secondChart.append("g")
                .attr("class", "xAxis")
                .attr("id", "second_xAxis")
                .attr("transform", "translate(0," + height + ")")
                .call(second_xAxis);

// create y axis for first chart
            firstChart.append("g")
                .attr("class", "yAxis")
                .attr("id", "first_yAxis")
                .call(first_yAxis);

// create y axis for second chart
            secondChart.append("g")
                .attr("class", "yAxis")
                .attr("id", "second_yAxis")
                .call(second_yAxis);

// interactivity for first chart
            firstChart.selectAll("#firstBars")
                .on("click", function(d) {

//change color of bars
                    firstChart.selectAll("#firstBars")
                        .attr("fill", bar.color.unfilled);

d3.select(this)
                        .attr("fill", function() { return bar.color.filled });

setDimensions();

// record which bar was clicked
                    current_country = d.country;
                    bar.clicked = this;

console.log(current_country)
                    console.log(this)

// push data from new country
                    pushVariableData(current_country);

// change bars of second chart
                    secondChart.selectAll("#firstSecondBars")
                        .data(varData)
                        .transition()
                        .duration(duration)
                        .attr("width", function(d) { return second_xScale(d); })
                        .attr("y", function(d, i) {
                            var numBars = varData.length;
                            return i * height / numBars;
                        })
                        .attr("height", second_yScale.bandwidth())
                        .attr("fill", function(d) { return colorScale((d / 100)); });

// change text of second chart
                    secondChart.selectAll("#secondBarText")
                        .data(varData)
                        .transition()
                        .duration(duration)
                        .tween("text", function(d) {
                            var that = d3.select(this);
                            var i = d3.interpolate(that.text().replace(/%/g, ""), d);
                            return function (t) {
                                that.text(formatDecimal(i(t)/100));
                            };
                        });
                })
                .on("mouseover", function() {
                    //fill bar
                    d3.select(this)
                        .attr("fill", bar.color.filled);
                })
                .on("mouseout", function() {

var top_bar = d3.min(forecast, function(d) {return first_yScale(d.country); });

if (bar.clicked === null && d3.format(".2f")(this.y.animVal.value) !==
                        d3.format(".2f")(top_bar)) {
                        d3.select(this)
                            .transition()
                            .duration(250)
                            .attr("fill", bar.color.unfilled);

console.log(bar.clicked);

} else if (bar.clicked !== null && this !== bar.clicked) {
                        d3.select(this)
                            .transition()
                            .duration(250)
                            .attr("fill", bar.color.unfilled);
                        console.log("second unfilled")
                    }
                });

// interactivity for second chart
            secondChart.selectAll("#firstSecondBars")
                .on("mouseover", function(d, i) {

// create text for tooltip
                    var lineOne = '<p class="ttipText">' + '<b>' + tooltipVar[i] +'</b>' + '</p>',
                        lineTwo = '<p class="ttipText">' + '<b>' + "Metric: " + '</b>' +
                            tooltipMetric[i] + '</p>',
                        lineThree = '<p class="ttipText">' + '<b>' + "Data source: " + '</b>' +
                            tooltipDataSource[i] + '</p>';

var lineFour = '<p class="ttipText">' + "Among the " + '<b>' + dictionary_data.length + '</b>' +
                            " countries measured since 1945, " + '<b>' + current_country + '</b>' +
                            " has a percentile rank of " + '<b>' + d + "%" + '</b>' + " for this variable" + '</p>';

// make tooltip visible and add text
                    ttip
                        .style("display", "inline-block")
                        .html(lineOne + "</br>" + lineTwo + "</br>" + lineThree + "</br>" + lineFour);

// add black stroke to selected bar
                    d3.select(this)
                        .style("stroke-opacity", 1);

})
                .on("mousemove", function() {

// update height and width variables
                    setDimensions();

// update tooltip position
                    ttip
                        .style("top", function() {

// record tooltip height because it varies
                            ttipHeight = $(this).height(); // using jQuery

// set position of tooltip based on its and page's height
                            if ((d3.event.pageY + ttipHeight) <= height) {
                                return (d3.event.pageY + margin.tooltip) + "px";
                            } else {
                                return (d3.event.pageY - margin.tooltip * 2 - ttipHeight) + "px";
                            }

})
                        .style("left",(d3.event.pageX / 1.1) + "px"); // figure out why 1.1 is best
                })
                .on("mouseout", function() {

// make tooltip invisible
                    ttip.style("display", "none");

// remove bar stroke
                    d3.select(this)
                        .style("stroke-opacity", 0);

})

}
    });

/*------------------------------------
 UPDATING CHARTS ON WINDOW RESIZE
 ------------------------------------*/

function resize() {

// get new width and height
    setDimensions();

// reset scales
    setScales(width, height);

// update axes for first chart
    firstChart.select("#first_xAxis")
        .call(first_xAxis)
        .attr("transform", "translate(0," + height + ")");

// update axes for first chart
    first_xAxis.ticks(Math.max(width / 75, 3));
    second_xAxis.ticks(Math.max(width / 75, 3));

firstChart.select("#first_yAxis")
        .call(first_yAxis);

// update axes for second chart
    secondChart.select("#second_xAxis")
        .call(second_xAxis)
        .attr("transform", "translate(0," + height + ")");

secondChart.select("#second_yAxis")
        .call(second_yAxis);

// update bars for first chart
    firstChart.selectAll("#firstBars")
        .attr("y", function(d) { return first_yScale(d.country) })
        .attr("width", function(d) { return first_xScale(d.mean_p); })
        .attr("height", first_yScale.bandwidth());

// update first bars for second chart
    secondChart.selectAll("#firstSecondBars")
        .attr("y", function(d, i) {
            var numBars = varData.length;
            return i * height / numBars;
        })
        .attr("width", function(d) { return second_xScale(d); })
        .attr("height", second_yScale.bandwidth());

// update second bars for second chart
    secondChart.selectAll("#secondSecondBars")
        .attr("y", function(d, i) {
            var numBars = varData.length;
            return i * height / numBars;
        })
        .attr("width", second_xScale(100))
        .attr("height", second_yScale.bandwidth());

// update bars' texts for first chart
    firstChart.selectAll("#firstBarText")
        .attr("font-size", function() { return first_yScale.bandwidth() / 2; })
        .attr("x", function(d) {
            var width = this.getComputedTextLength();
            return first_xScale(d.mean_p) + width;
        })
        .attr("y", function(d) { return first_yScale(d.country) + (first_yScale.bandwidth() / 1.5); });

// update bars' texts for second chart
    secondChart.selectAll("#secondBarText")
        .attr("font-size", function() { return second_yScale.bandwidth() / 1.5; })
        .attr("x", function() {
            var textLength = this.getComputedTextLength();
            return second_xScale(100) + (textLength / 2) + (second_yScale.bandwidth() / 2); })
        .attr("y", function(d, i) {
            var numBars = varData.length;
            return (i * height / numBars) + (second_yScale.bandwidth() / 1.5);
        });

}

resize();

// call the resize function whenever a resize event occurs
d3.select(window).on('resize', resize);
//window.addEventListener("resize", resize);

</script>
</body>
</html>

https://d3js.org/d3.v4.min.js