587 lines
23 KiB
JavaScript
587 lines
23 KiB
JavaScript
"use strict";
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// https://bl.ocks.org/mbostock/3884955
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// https://bl.ocks.org/mbostock/34f08d5e11952a80609169b7917d4172
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function createLineGraph(containerId, raceData){
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// Rough input validation
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if(raceData === undefined || 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", raceData]);
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}
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var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
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attachRaceStatistics(enhancedLapData, raceData);
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// Configuration
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var graphHeight = 720;
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var smallGraphHeight = 200;
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var svgWidth = 1300;
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var linePointSize = 5;
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var rectSize = 16;
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var amountClickedLines = 0;
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//ElemTypes of this graph
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var elemTypes = {
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line: "line",
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linepoint: "linepoint",
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pitstoppoint: "pitstoppoint",
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endpoint: "endpoint"
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};
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// -----------------------------------------------------------------------
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// set the dimensions and margins of the graph
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var marginGraph = {top: 30.0, right: 50, bottom: 10, left: 50.0},
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marginSmallGraph = {top: 10, right: marginGraph.right, bottom: 50, left: marginGraph.left},
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graphPosWidth = {posX: marginGraph.left, posY: marginGraph.top, width: svgWidth - (marginGraph.left + marginGraph.right), height : graphHeight, totalHeight: marginGraph.top + graphHeight + marginGraph.bottom},
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smallGraphPosWidth = {posX: marginSmallGraph.left, posY: graphPosWidth.totalHeight + graphPosWidth.posY + marginSmallGraph.top, width: svgWidth - (marginSmallGraph.left + marginSmallGraph.right), height : smallGraphHeight , totalHeight: marginSmallGraph.top + smallGraphHeight + marginSmallGraph.bottom},
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svgHeight = smallGraphPosWidth.totalHeight + graphPosWidth.totalHeight;
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// set the ranges
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var x = d3.scaleLinear().range([0, graphPosWidth.width]),
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x2 = d3.scaleLinear().range([0, smallGraphPosWidth.width]),
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y = d3.scaleLinear().range([graphPosWidth.height, 0]),
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y2 = d3.scaleLinear().range([smallGraphPosWidth.height, 0]);
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// Gather lapNumbers for xAxis tickvalues
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var lapNumbers = [];
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for(var i=0; i<raceData.lapTimes.size; i++) lapNumbers.push(i);
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var xAxis = d3.axisBottom(x).tickValues(lapNumbers),
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yAxis = d3.axisLeft(y);
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var xAxisGridlines = d3.axisBottom(x)
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.tickValues(lapNumbers) // One gridline for each lap
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.tickSize(-graphPosWidth.height)
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.tickFormat("");
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var brush = d3.brushX()
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.extent([[0, 0], [smallGraphPosWidth.width, smallGraphPosWidth.height]])
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.on("brush end", brushed);
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var zoom = d3.zoom()
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.scaleExtent([1, 5])
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.translateExtent([[0, 0], [graphPosWidth.width, graphPosWidth.height]])
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.extent([[0, 0], [graphPosWidth.width, graphPosWidth.height]])
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.on("zoom", zoomed);
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// -----------------------------------------------------------------------
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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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var lineDataDefinitionSmall = d3.line()
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.x(function(d) { return x2(d.lap); })
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.y(function(d) { return y2(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", svgWidth)
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.attr("height", svgHeight);
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//----------------------------------------------------------------------
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// make sure we have no overlapping
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svg.append("defs").append("clipPath")
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.attr("id", "clip")
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.append("rect")
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.attr("width", graphPosWidth.width)
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.attr("height", graphPosWidth.height + 16) // Add 16 pixels of height ...
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.attr("transform", "translate(0,-8)"); // ... so we can have 8 pixels above and below the graph
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// This way, the lines and dots are not cut off
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var focus = svg.append("g")
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.attr("class", "focus")
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.attr("transform", "translate(" + graphPosWidth.posX + "," + graphPosWidth.posY + ")");
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focus.append("rect")
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.attr("class", "zoom")
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.attr("width", svgWidth)
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.attr("height", graphHeight)
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.attr("transform", "translate(" + graphPosWidth.posX + "," + graphPosWidth.posY + ")")
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.call(zoom);
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var context = svg.append("g")
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.attr("class", "context")
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.attr("height", smallGraphPosWidth.height)
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.attr("transform", "translate(" + smallGraphPosWidth.posX + "," + smallGraphPosWidth.posY + ")");
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// -----------------------------------------------------------------------
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var contextXAxis = d3.axisBottom(x2).tickValues(0);
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context.append("g")
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.attr("class", "axis axis--x")
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.attr("transform", "translate(0," + smallGraphPosWidth.height + ")")
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.call(contextXAxis);
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context.append("g")
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.attr("class", "brush")
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.call(brush)
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.call(brush.move, x.range());
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// -----------------------------------------------------------------------
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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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x2.domain(x.domain());
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y2.domain(y.domain());
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var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
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//console.log(["enhancedLapData", 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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focus.append("path")
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.data([driverLapData.laps])
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.attr("class", "line pathLines")
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.attr("clip-path","url(#clip)")
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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("data-elemtype", elemTypes.line)
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.attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
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.attr("d", lineDataDefinition)
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.call(zoom);
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context.append("path")
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.data([driverLapData.laps])
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.attr("class", "line-context")
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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("data-elemtype", elemTypes.line)
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.attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
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.attr("d", lineDataDefinitionSmall);
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//Appends a circle for each datapoint
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focus.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", "linedot") // Assign a class for styling
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.attr("clip-path","url(#clip)")
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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("data-elemtype", elemTypes.linepoint)
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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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.call(zoom);
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//Appends a circle for each datapoint
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focus.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", "linedot") // Assign a class for styling
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.attr("clip-path","url(#clip)")
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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("data-elemtype", elemTypes.linepoint)
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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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.call(zoom);
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driverLapData.laps.forEach((singleLap, singleLapIndex)=> {
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//console.log(["driverLaps.forEach", singleLap, singleLapIndex]);
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if(singleLap.pitStop){
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//Appends a circle for each datapoint
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focus.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", "pitstopdot") // Assign a class for styling
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.attr("clip-path","url(#clip)")
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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("data-elemtype", elemTypes.pitstoppoint)
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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 * 1.4)
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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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.call(zoom);
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context.selectAll(".pitstoppoint-context")
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.data([singleLap])
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.enter().append("circle") // Uses the enter().append() method
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.attr("class", "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("data-elemtype", elemTypes.pitstoppoint)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("cx", function(d, i) {return x2(d.lap) })
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.attr("cy", function(d, i) { return y2(d.position) })
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.attr("r", linePointSize * 0.5)
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.attr("d", lineDataDefinitionSmall);
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// Remove data from driverLapData, since we don't need a generic datapoint for this
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//driverLapData.laps[singleLapIndex] = {};
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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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focus.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", "endpointdot") // Assign a class for styling
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.attr("clip-path","url(#clip)")
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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("data-elemtype", elemTypes.endpoint)
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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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.on("click", handleClickOnPoint)
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.on("mouseover", handleMouseOverLinePoint)
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.on("mouseout", handleMouseOutLinePoint)
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.call(zoom);
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context.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", "endpoint") // Assign a class for styling
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.attr("class", "zoomable")
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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("data-elemtype", elemTypes.endpoint)
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.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
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.attr("x", function(d, i) { return x2(d.lap) - rectSize * 1/4; })
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.attr("y", function(d, i) { return y2(d.position) - rectSize * 1/4; })
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.attr("height", rectSize * 0.4)
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.attr("width", rectSize * 0.4)
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.attr("d", lineDataDefinition);
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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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var testXAxis = focus.append("g")
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.attr("class", "axis axis--x")
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.attr("transform", "translate(0," + graphPosWidth.height + ")")
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.attr("clip-path","url(#clip)")
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.call(xAxis);
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// Add the Y Axis on left side
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focus.append("g")
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.attr("class","axis--y-left")
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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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//Add driver information on the right side of the graph.
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focus.append("g")
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.attr("class","axis--y-right")
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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( " + (graphPosWidth.width) + ", 0 )");
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// Add gridlines on x axis to better figure out laps
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focus.append("g")
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.attr("class", "xAxisGridlines")
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.attr("transform", "translate(0," + graphPosWidth.height + ")")
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.style("opacity", 0.06)
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.call(xAxisGridlines);
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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", 0.10);
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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", 0.10);
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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, e) {
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var elemType = d3.select(this).attr("data-elemtype");
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//depending on Pitstop and lap different Texts
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var textArr = [];
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var textMaxLength = 1;
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// Add interactivity
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// Use D3 to select element, change color and size
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if(elemType === elemTypes.linepoint){
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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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circle
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.style("opacity", 1);
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textArr = getLapTextArray(raceData,d);
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}else if(elemType === elemTypes.pitstoppoint){
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d3.select(this)
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.attr("r", linePointSize * 2);
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textArr = getPitStopTextArray(raceData,d);
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}else if(elemType === elemTypes.endpoint){
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var newRectSize = rectSize * 1.5;
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d3.select(this)
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.attr("height", newRectSize)
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.attr("width", newRectSize)
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.attr("x", function(d, i) { return x(d.lap) - newRectSize * 1/2; })
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.attr("y", function(d, i) { return y(d.position) - newRectSize * 1/2; });
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textArr = getEndPointTextArray(raceData,d);
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}
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// Calculate tooltip width based on text
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for(var lineI in textArr) {
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var line = textArr[lineI];
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if(line.length > textMaxLength) textMaxLength = line.length;
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}
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textMaxLength = (2/3) * textMaxLength;
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// Figure out relative tooltip position on x axis
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var cxValue = d3.select(e[i]).attr("cx");
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var xValue = (cxValue === null) ? d3.select(e[i]).attr("x") : cxValue;
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var xRatio = xValue / svgWidth;
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var tooltipGroup = svg.append("g")
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.attr("id", "t" + d.lap + "-" + d.position + "-" + i); // Unique id so it can be removed later
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tooltipGroup.append("rect")
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.attr("style", "fill:rgb(225,225,225);stroke:black;stroke-width:2;")
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.attr("width", textMaxLength + "em")
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.attr("height", (textArr.length + 1) + "em")
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.attr("x", function() { if(xRatio < 0.70) return d3.mouse(this)[0] + 10; else return d3.mouse(this)[0] - 130; })
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.attr("y", function() { return d3.mouse(this)[1] + 25; });
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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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tooltipGroup.append("text")
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.attr("dy", (textIndex + 1) + "em")
|
|
.attr("x", function() { if(xRatio < 0.70) return d3.mouse(this)[0] + 15; else return d3.mouse(this)[0] - 125; })
|
|
.attr("y", function() { return d3.mouse(this)[1] + 30; })
|
|
.text(function() {
|
|
return text; // Value of the text
|
|
});
|
|
});
|
|
|
|
}
|
|
|
|
function handleMouseOutLinePoint(d, i) {
|
|
var dataType = d3.select(this).attr("data-elemtype");
|
|
//depending on Pitstop and lap different Texts
|
|
var textArr = [];
|
|
// Use D3 to select element, change color back to normal
|
|
if(dataType === elemTypes.linepoint){
|
|
var circleId = "circle-linepoint-" + d.lap + "-" + d.driverId;
|
|
var circle = d3.select("#" + circleId);
|
|
circle
|
|
.attr("r", linePointSize)
|
|
.style("opacity", 0);
|
|
textArr = getLapTextArray(raceData,d);
|
|
}else if(dataType === elemTypes.pitstoppoint){
|
|
d3.select(this)
|
|
.attr("r", linePointSize * 1.4);
|
|
textArr = getPitStopTextArray(raceData,d);
|
|
}else if(dataType === elemTypes.endpoint){
|
|
d3.select(this)
|
|
.attr("height", rectSize)
|
|
.attr("width", rectSize)
|
|
.attr("x", function(d, i) {return x(d.lap) - rectSize * 1/2 })
|
|
.attr("y", function(d, i) { return y(d.position) - rectSize * 1/2 });
|
|
textArr = getEndPointTextArray(raceData,d);
|
|
}
|
|
|
|
textArr.forEach((text, textIndex)=> {
|
|
// Select text by id and then remove
|
|
d3.select("#t" + d.lap + "-" + d.position + "-" + i).remove(); // Remove text location
|
|
});
|
|
}
|
|
|
|
function getLapTextArray(raceData, d){
|
|
var driverText = getDriverCodeById(raceData,d.driverId);
|
|
var lapText = "Lap: " + d.lap;
|
|
var posText = "Pos: " + d.position;
|
|
var returnArr = [driverText, lapText, posText];
|
|
if(d.time){
|
|
var timeText = "Time: " + d.time;
|
|
returnArr.push(timeText);
|
|
}
|
|
return returnArr;
|
|
}
|
|
|
|
function getPitStopTextArray(raceData, d){
|
|
var lapTextArr = getLapTextArray(raceData,d);
|
|
lapTextArr.push("Stop Nr: " + d.pitStop.stop);
|
|
lapTextArr.push("Duration: " + d.pitStop.duration);
|
|
return lapTextArr;
|
|
}
|
|
|
|
function getEndPointTextArray(raceData, d){
|
|
var status = "";
|
|
var endTextArr = getLapTextArray(raceData,d);
|
|
var allStatus = queries.getStatus();
|
|
for(var key in allStatus){
|
|
if(key === undefined) continue;
|
|
if(allStatus[key].statusId === d.finished.statusId){
|
|
status = allStatus[key].status;
|
|
}
|
|
}
|
|
endTextArr.push("Reason: " + status);
|
|
return endTextArr;
|
|
}
|
|
|
|
function getDriverCodeFromPosAndLap(raceData, lapNr, pos){
|
|
var driverCode = "";
|
|
if(lapNr == 0){
|
|
var qualifying = raceData.qualifying[pos - 1];
|
|
if(qualifying === undefined) return "XXX"; // TODO: Do a real fix
|
|
driverCode = getDriverCodeById(raceData, qualifying.driverId);
|
|
}else if(lapNr == raceData.lapTimes.size){
|
|
var resultPos = raceData.results[pos -1].position;
|
|
var resultLaps = raceData.results[pos -1].laps;
|
|
//making sure the Driver finished and drove all laps
|
|
if(resultPos && resultLaps == raceData.lapTimes.size){
|
|
driverCode = getDriverCodeById(raceData,raceData.results[pos -1].driverId);
|
|
}
|
|
}else{
|
|
if(raceData.lapTimes.get(lapNr)[pos-1]){
|
|
driverCode = getDriverCodeById(raceData, raceData.lapTimes.get(lapNr)[pos-1].driverId);
|
|
}
|
|
}
|
|
return driverCode;
|
|
}
|
|
|
|
function brushed() {
|
|
if (d3.event.sourceEvent && d3.event.sourceEvent.type === "zoom") return; // ignore brush-by-zoom
|
|
var s = d3.event.selection || x2.range();
|
|
x.domain(s.map(x2.invert, x2));
|
|
updateElements();
|
|
// Update the "preview" rectangle
|
|
svg.select(".zoom").call(zoom.transform, d3.zoomIdentity
|
|
.scale(graphPosWidth.width / (s[1] - s[0]))
|
|
.translate(-s[0], 0));
|
|
}
|
|
|
|
function zoomed() {
|
|
if (d3.event.sourceEvent && d3.event.sourceEvent.type === "brush") return; // ignore zoom-by-brush
|
|
var t = d3.event.transform;
|
|
x.domain(t.rescaleX(x2).domain());
|
|
updateElements();
|
|
|
|
//call the brush function
|
|
context.select(".brush").call(brush.move, x.range().map(t.invertX, t));
|
|
}
|
|
|
|
function updateElements(){
|
|
// Update the data!
|
|
focus.selectAll(".pathLines").attr("d", lineDataDefinition);
|
|
focus.selectAll(".pitstopdot").attr("cx", function(d, i) {return x(d.lap) });
|
|
focus.selectAll(".endpointdot").attr("x", function(d, i) { return x(d.lap) - rectSize * 1/2; });
|
|
focus.selectAll(".linedot").attr("cx", function(d, i) {return x(d.lap) });
|
|
// Update xAxis
|
|
focus.select(".axis--x").call(xAxis);
|
|
|
|
updateYAxisText();
|
|
|
|
// Update gridlines
|
|
focus.select(".xAxisGridlines").call(xAxisGridlines);
|
|
}
|
|
|
|
function updateYAxisText(){
|
|
var xAxisValues = d3.extent(x.domain());
|
|
if(xAxisValues[1] > 1){
|
|
// Get the min/max lap.
|
|
var startLap = Math.floor(xAxisValues[0]);
|
|
var endLap = Math.floor(xAxisValues[1]);
|
|
|
|
// Redraw the left Y axis
|
|
focus.select(".axis--y-left").call(d3.axisLeft(y).ticks(raceData.drivers.length).tickFormat(function(d) {
|
|
return getDriverCodeFromPosAndLap(raceData, startLap, d) + " " + d;
|
|
}));
|
|
|
|
// Redraw the right Y axis
|
|
focus.select(".axis--y-right").call(
|
|
d3.axisRight(y)
|
|
.ticks(raceData.drivers.length)
|
|
.tickFormat(function(d) {
|
|
var driverCode = "";
|
|
if(getDriverCodeFromPosAndLap(raceData, endLap, d)){
|
|
driverCode = getDriverCodeFromPosAndLap(raceData, endLap, d);
|
|
}else{
|
|
driverCode = getDriverCodeFromPosAndLap(raceData, endLap - 1, d); // TODO: only if the driver has finished..
|
|
}
|
|
return d + " " + driverCode ;
|
|
}));
|
|
}
|
|
}
|
|
|
|
}
|