315 lines
12 KiB
JavaScript
315 lines
12 KiB
JavaScript
"use strict";
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// https://bl.ocks.org/mbostock/3884955
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function createLineGraph(containerId, raceData){
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// Rough input validation
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if(raceData.raceInfo === undefined) {
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console.error(["Sorry, that raceData is empty. :-(", raceData]);
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return; // early return to avoid errors
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} else {
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console.log(raceData);
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}
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var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
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// Configuration
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var height = 720;
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var width = 1080;
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var linePointSize = 5;
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var rectSize = 10;
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var amountClickedLines = 0;
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// set the dimensions and margins of the graph
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var margin = {top: 50, right: 100, bottom: 50, left: 100},
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width = width - margin.left - margin.right,
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height = height - margin.top - margin.bottom;
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// set the ranges
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var x = d3.scaleLinear().range([0, width]);
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var y = d3.scaleLinear().range([height, 0]);
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// defines how the passed in Data, at "svg.append" shall be interpreted
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var lineDataDefinition = d3.line()
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.x(function(d) { return x(d.lap); })
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.y(function(d) { return y(d.position); });
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// append the svg obgect to the body of the page
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// appends a 'group' element to 'svg'
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// moves the 'group' element to the top left margin
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var svg = d3.select(containerId).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",
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"translate(" + margin.left + "," + margin.top + ")");
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// Scale the range of the data
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x.domain([0, raceData.lapTimes.size]);
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y.domain([raceData.drivers.length, 1]);
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var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
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console.log(enhancedLapData);
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// Adds all lines
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enhancedLapData.forEach((driverLapData, driverIndex) => {
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//console.log(driverLapData);
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svg.append("path")
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.data([driverLapData.laps])
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.attr("class", "line")
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.attr("data-line", driverLapData.driver.driverId)// custom data to Specify the line
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.attr("data-opacitychange", 1)
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.attr("data-highlighted", 0)
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.attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
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.attr("d", lineDataDefinition);
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//Appends a circle for each datapoint
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svg.selectAll(".linepoint")
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.data(driverLapData.laps)
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.enter().append("circle") // Uses the enter().append() method
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.attr("class", "dot linedot") // Assign a class for styling
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.attr("id", function(d, i) { return "circle-linepoint-" + d.lap + "-" + d.driverId; })
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.attr("data-line", driverLapData.driver.driverId)
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.attr("data-opacitychange", 0)
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.attr("data-highlighted", 0)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("cx", function(d, i) {return x(d.lap) })
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.attr("cy", function(d, i) { return y(d.position) })
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.attr("r", linePointSize)
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.style("opacity", 0);
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//Appends a circle for each datapoint
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svg.selectAll(".invisiblelinepoint")
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.data(driverLapData.laps)
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.enter().append("circle") // Uses the enter().append() method
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.attr("class", "dot linedot") // Assign a class for styling
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.attr("circle-id", function(d, i) { return "circle-linepoint-" + d.lap + "-" + d.driverId; })
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.attr("data-line", driverLapData.driver.driverId)
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.attr("data-opacitychange", 0)
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.attr("data-highlighted", 0)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("cx", function(d, i) {return x(d.lap) })
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.attr("cy", function(d, i) { return y(d.position) })
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.attr("r", linePointSize*2.4)
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.on("click", handleClickOnPoint)
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.on("mouseover", handleMouseOverLinePoint)
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.on("mouseout", handleMouseOutLinePoint)
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.style("opacity", 0);
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driverLapData.laps.forEach((singleLap, singleLapIndex)=> {
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if(singleLap.pitStop){
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//Appends a circle for each datapoint
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svg.selectAll(".pitstoppoint")
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.data([singleLap])
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.enter().append("circle") // Uses the enter().append() method
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.attr("class", "dot pitstopdot") // Assign a class for styling
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.attr("data-line", driverLapData.driver.driverId)
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.attr("data-opacitychange", 1)
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.attr("data-highlighted", 0)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("cx", function(d, i) {return x(d.lap) })
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.attr("cy", function(d, i) { return y(d.position) })
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.attr("r", linePointSize * 1.2)
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.on("click", handleClickOnPoint)
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.on("mouseover", handleMouseOverLinePoint)
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.on("mouseout", handleMouseOutLinePoint);
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}
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});
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// in case the driver ended the race too early, get the status why he quit
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/*TODO: Mouseover for Rectangle*/
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var resultOfDriver = raceData.results.filter((result) => { return result.driverId == driverLapData.driver.driverId; });
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if(resultOfDriver.length > 0 && getValidEndingStatusIds().indexOf(resultOfDriver[0].statusId) < 0){
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var triangle = d3.symbol()
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.type(d3.symbolTriangle)
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.size(25);
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//get Data for last round
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svg.selectAll(".endpoint")
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.data([driverLapData.laps[driverLapData.laps.length - 1]])
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.enter().append("rect") // Uses the enter().append() method
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.attr("class", "dot pitstopdot") // Assign a class for styling
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.attr("data-line", driverLapData.driver.driverId)
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.attr("data-opacitychange", 1)
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.attr("data-highlighted", 0)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("x", function(d, i) {return x(d.lap) - rectSize * 1/2 })
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.attr("y", function(d, i) { return y(d.position) - rectSize * 1/2 })
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.attr("height", rectSize)
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.attr("width", rectSize);
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/* tried with Cross, didn't work, don't know why
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svg.selectAll(".endpoint")
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.data([driverLapData.laps[driverLapData.laps.length - 1]])
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.enter().append("symbolCircle") // Uses the enter().append() method
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.attr("size", 300)
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.attr("class", "endpoint") // Assign a class for styling
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("transform", function(d) { return "translate(" + x(d.lap) + "," + y(d.position) + ")"; });
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*/
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}
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});
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// Add the X Axis
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svg.append("g")
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.attr("transform", "translate(0," + height + ")")
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.call(d3.axisBottom(x));
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// Add the Y Axis on both sides
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svg.append("g")
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.call(
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d3.axisLeft(y)
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.ticks(raceData.drivers.length)
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.tickFormat(function(d) {
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return getDriverCodeFromPosAndLap(raceData, 0, d) + " " + d;
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})
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);
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svg.append("g")
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.call(
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d3.axisRight(y)
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.ticks(raceData.drivers.length)
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.tickFormat(function(d) {
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var driverCode = "";
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if(getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size, d)){
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driverCode = getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size, d);
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}else{
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driverCode = getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size - 1, d);
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}
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return d + " " + driverCode ;
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})
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)
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.attr("transform", "translate( " + (width) + ", 0 )");
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function handleClickOnPoint(d,i){
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//select elements that are highlightable but are not highlighted
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d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 0 +"']")
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.style("opacity", 0.3);
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// if clicked on already highlighted line, remove highlight
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if(this.getAttribute("data-highlighted") == 1){
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d3.selectAll("[data-line='" + d.driverId +"'][data-opacitychange='" + 1 +"']")
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.style("opacity", 0.3);
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d3.selectAll("[data-line='" + d.driverId +"']")
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.attr("data-highlighted", 0);
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}else{
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//select elements that belong to line and are highlightable
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d3.selectAll("[data-line='" + d.driverId +"'][data-opacitychange='" + 1 +"']")
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.style("opacity", 1);
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d3.selectAll("[data-line='" + d.driverId +"']")
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.attr("data-highlighted", 1);
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}
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// if no element highlighted, then everything normal again
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var highlightedElements = d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 1 +"']");
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if(highlightedElements.size() == 0){
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//select elements that are highlightable but are not highlighted
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d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 0 +"']")
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.style("opacity", 1);
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}
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}
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function handleMouseOverLinePoint(d, i) {
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var circleId = "circle-linepoint-" + d.lap + "-" + d.driverId;
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var circle = d3.select("#" + circleId);
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// Add interactivity
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// Use D3 to select element, change color and size
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if(!d.pitStop){
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circle
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.style("opacity", 1);
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}else{
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circle
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.attr("r", linePointSize * 2);
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}
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//depending on Pitstop and lap different Texts
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var textArr = [];
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if(d.pitStop){
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textArr = getPitStopTextArray(raceData,d);
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}else{
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textArr = getLapTextArray(raceData,d);
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}
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//Necessary to add Text for each Line
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textArr.forEach((text, textIndex) =>{
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// Specify where to put label of text
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svg.append("text")
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.attr("id", "t" + d.lap + "-" + d.position + "-" + i + "-" + textIndex)// Create an id for text so we can select it later for removing on mouseout
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.attr("x", function() { return x(d.lap) - 70; })
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.attr("y", function() { return y(d.position) - 15; })
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.attr("dy", textIndex + "em")
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.text(function() {
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return text; // Value of the text
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});
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});
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}
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function handleMouseOutLinePoint(d, i) {
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var circleId = "circle-linepoint-" + d.lap + "-" + d.driverId;
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var circle = d3.select("#" + circleId);
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// Use D3 to select element, change color back to normal
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if(!d.pitStop){
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circle
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.attr("r", linePointSize)
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.style("opacity", 0);
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}else{
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circle
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.attr("r", linePointSize);
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}
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//depending on Pitstop and lap different Texts
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var textArr = [];
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if(d.pitStop){
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textArr = getPitStopTextArray(raceData,d);
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}else{
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textArr = getLapTextArray(raceData,d);
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}
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textArr.forEach((text, textIndex)=> {
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// Select text by id and then remove
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d3.select("#t" + d.lap + "-" + d.position + "-" + i + "-" + textIndex).remove(); // Remove text location
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});
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}
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function getLapTextArray(raceData, d){
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var driverText = getDriverCodeById(raceData,d.driverId)
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var lapText = "Lap: " + d.lap;
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var posText = "Pos: " + d.position;
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var timeText = "Time: " + d.time;
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return [driverText, lapText, posText, timeText];
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}
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function getPitStopTextArray(raceData, d){
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var lapTextArr = getLapTextArray(raceData,d);
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lapTextArr.push("Stop Nr: " + d.pitStop.stop);
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lapTextArr.push("Duration: " + d.pitStop.duration);
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return lapTextArr;
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}
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function getDriverCodeFromPosAndLap(raceData, lapNr, pos){
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var driverCode = "";
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if(lapNr == 0){
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driverCode = getDriverCodeById(raceData, raceData.qualifying[pos - 1].driverId);
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}else if(lapNr == raceData.lapTimes.size){
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var resultPos = raceData.results[pos -1].position;
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var resultLaps = raceData.results[pos -1].laps;
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//making sure the Driver finished and drove all laps
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if(resultPos && resultLaps == raceData.lapTimes.size){
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driverCode = getDriverCodeById(raceData,raceData.results[pos -1].driverId);
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}
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}else{
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if(raceData.lapTimes.get(lapNr)[pos-1]){
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driverCode = getDriverCodeById(raceData, raceData.lapTimes.get(lapNr)[pos-1].driverId);
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}
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}
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return driverCode;
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}
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}
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