Matrix-Display/matrix.html at main · FISH-HAT/Matrix-Display · GitHub

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<!DOCTYPE html>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.js"></script>
<div id="vis"></div>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
<script>

    // set the dimensions and margins of the graph
    var len = window.innerWidth - 52;
    var margin = { top: 80, right: 50, bottom: 50, left: 80 },
        width = len - margin.left - margin.right,
        height = len - margin.top - margin.bottom;

    // append the svg object to the body of the page
    var svg = d3.select("#vis")
        .append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
        .append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

    //Read the data
    //d3.csv("./files/testmatrix.csv", function (data) { // this one doesnt work because chrome blocks loading csvs from disk
    d3.csv("https://raw.githubusercontent.com/FISH-HAT/Matrix-Display/main/files/testmatrix.csv", function (data) { // this one requires the github link to work

        // Build color scale
        var arr = data.map(d => d.value)
        var maxval = Math.max(...arr)
        var minval = Math.min(...arr)
        var myColor = d3.scaleSequential()
            .interpolator(d3.interpolate("green", "red"))
            .domain([minval, maxval])

        // I'm sorry to whoever has to read this, this is just easier for me than figuring out how PHP works
        var qs = location.search.substring(1)
        var q = qs.split("&")
        var qa = q[0].split("=")
        var showAbove = qa[1]
        var qb = q[1].split("=")
        var showBelow = qb[1]

        if (showAbove == "") { showAbove = 0 }
        if (showBelow == "") { showBelow = 100000000 }


        console.log("a: " + showAbove + "\nb: " + showBelow)

        if (Number(showAbove) > Number(showBelow)) {
            tempdata = data.filter(function(row) {
                return (row['value'] > Number(showAbove) || row['value'] < Number(showBelow)) && row['group'] != row['variable']
            })
        } else  if (Number(showAbove) < Number(showBelow)) {
            tempdata = data.filter(function(row) {
                return (row['value'] > Number(showAbove) && row['value'] < Number(showBelow)) && row['group'] != row['variable']
            })
        } else {
            tempdata = data
        }

        var myGroups = d3.map(tempdata, function (d) { return d.group; }).keys()
        var myVars = d3.map(tempdata, function (d) { return d.variable; }).keys()
        data = data.filter(function(row) {
            return myGroups.includes(row['group']) && myVars.includes(row['variable'])
        })

        // Labels of row and columns -> unique identifier of the column called 'group' and 'variable'
        myGroups = myGroups.sort()
        myVars = myVars.sort()

        // Build X scales and axis:
        var x = d3.scaleBand()
            .range([0, width])
            .domain(myGroups)
            .padding(.05);
        svg.append("g")
            .style("font-size", 15)
            .attr("transform", "translate(8,-5)")
            .call(d3.axisBottom(x).tickSize(0))
            .selectAll("text")
            .style("text-anchor", "end")
            .attr("transform", "rotate(90)")
        svg.select(".domain").remove()


        // Build Y scales and axis:
        var y = d3.scaleBand()
            .range([0, height])
            .domain(myVars)
            .padding(0.05);
        svg.append("g")
            .style("font-size", 15)
            .call(d3.axisLeft(y).tickSize(0))
            .select(".domain").remove()

        // create a tooltip
        var tooltip = d3.select("#vis")
            .append("div")
            .style("opacity", 0)
            .attr("class", "tooltip")
            .style("background-color", "white")
            .style("border", "solid")
            .style("border-width", "2px")
            .style("border-radius", "5px")
            .style("padding", "5px")

        // Three function that change the tooltip when user hover / move / leave a cell
        var mouseover = function (d) {
            tooltip
                .style("opacity", 1)
            d3.select(this)
                .style("stroke", "black")
                .style("opacity", 1)
        }
        var mousemove = function (d) {
            tooltip
                .html("Correlation between " + d.group + " and " + d.variable + ": " + d.value)
                .style("left", (d3.mouse(this)[0] + 70) + "px")
                .style("top", (d3.mouse(this)[1]) + "px")
        }
        var mouseleave = function (d) {
            tooltip
                .style("opacity", 0)
            d3.select(this)
                .style("stroke", "none")
                .style("opacity", 0.8)
        }
        var mouseclick = function (d) {
            var l = "./fileview.html?" + d.group + "-" + d.variable
            window.location.href = l
        }

        // add the squares
        svg.selectAll()
            .data(data, function (d) { return d.group + ':' + d.variable; })
            .enter()
            .append("rect")
            .attr("x", function (d) { return x(d.group) })
            .attr("y", function (d) { return y(d.variable) })
            .attr("rx", 4)
            .attr("ry", 4)
            .attr("width", x.bandwidth())
            .attr("height", y.bandwidth())
            .style("fill", function (d) { return myColor(d.value) })
            .style("stroke-width", 4)
            .style("stroke", "none")
            .style("opacity", 0.8)
            .on("mouseover", mouseover)
            .on("mousemove", mousemove)
            .on("mouseleave", mouseleave)
            .on("click", mouseclick)

    })
</script>