f1vis/js/diagrams.js

587 lines
23 KiB
JavaScript

"use strict";
// https://bl.ocks.org/mbostock/3884955
// https://bl.ocks.org/mbostock/34f08d5e11952a80609169b7917d4172
function createLineGraph(containerId, raceData){
// Rough input validation
if(raceData === undefined || raceData.raceInfo === undefined) {
console.error(["Sorry, that raceData is empty. :-(", raceData]);
return; // early return to avoid errors
} else {
console.log(["raceData", raceData]);
}
var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
attachRaceStatistics(enhancedLapData, raceData);
// Configuration
var graphHeight = 720;
var smallGraphHeight = 200;
var svgWidth = 1300;
var linePointSize = 5;
var rectSize = 16;
var amountClickedLines = 0;
//ElemTypes of this graph
var elemTypes = {
line: "line",
linepoint: "linepoint",
pitstoppoint: "pitstoppoint",
endpoint: "endpoint"
};
// -----------------------------------------------------------------------
// set the dimensions and margins of the graph
var marginGraph = {top: 30.0, right: 50, bottom: 10, left: 50.0},
marginSmallGraph = {top: 10, right: marginGraph.right, bottom: 50, left: marginGraph.left},
graphPosWidth = {posX: marginGraph.left, posY: marginGraph.top, width: svgWidth - (marginGraph.left + marginGraph.right), height : graphHeight, totalHeight: marginGraph.top + graphHeight + marginGraph.bottom},
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},
svgHeight = smallGraphPosWidth.totalHeight + graphPosWidth.totalHeight;
// set the ranges
var x = d3.scaleLinear().range([0, graphPosWidth.width]),
x2 = d3.scaleLinear().range([0, smallGraphPosWidth.width]),
y = d3.scaleLinear().range([graphPosWidth.height, 0]),
y2 = d3.scaleLinear().range([smallGraphPosWidth.height, 0]);
// Gather lapNumbers for xAxis tickvalues
var lapNumbers = [];
for(var i=0; i<raceData.lapTimes.size; i++) lapNumbers.push(i);
var xAxis = d3.axisBottom(x).tickValues(lapNumbers),
yAxis = d3.axisLeft(y);
var xAxisGridlines = d3.axisBottom(x)
.tickValues(lapNumbers) // One gridline for each lap
.tickSize(-graphPosWidth.height)
.tickFormat("");
var brush = d3.brushX()
.extent([[0, 0], [smallGraphPosWidth.width, smallGraphPosWidth.height]])
.on("brush end", brushed);
var zoom = d3.zoom()
.scaleExtent([1, 5])
.translateExtent([[0, 0], [graphPosWidth.width, graphPosWidth.height]])
.extent([[0, 0], [graphPosWidth.width, graphPosWidth.height]])
.on("zoom", zoomed);
// -----------------------------------------------------------------------
// defines how the passed in Data, at "svg.append" shall be interpreted
var lineDataDefinition = d3.line()
.x(function(d) { return x(d.lap); })
.y(function(d) { return y(d.position); });
var lineDataDefinitionSmall = d3.line()
.x(function(d) { return x2(d.lap); })
.y(function(d) { return y2(d.position); });
// append the svg obgect to the body of the page
// appends a 'group' element to 'svg'
// moves the 'group' element to the top left margin
var svg = d3.select(containerId).append("svg")
.attr("width", svgWidth)
.attr("height", svgHeight);
//----------------------------------------------------------------------
// make sure we have no overlapping
svg.append("defs").append("clipPath")
.attr("id", "clip")
.append("rect")
.attr("width", graphPosWidth.width)
.attr("height", graphPosWidth.height + 16) // Add 16 pixels of height ...
.attr("transform", "translate(0,-8)"); // ... so we can have 8 pixels above and below the graph
// This way, the lines and dots are not cut off
var focus = svg.append("g")
.attr("class", "focus")
.attr("transform", "translate(" + graphPosWidth.posX + "," + graphPosWidth.posY + ")");
focus.append("rect")
.attr("class", "zoom")
.attr("width", svgWidth)
.attr("height", graphHeight)
.attr("transform", "translate(" + graphPosWidth.posX + "," + graphPosWidth.posY + ")")
.call(zoom);
var context = svg.append("g")
.attr("class", "context")
.attr("height", smallGraphPosWidth.height)
.attr("transform", "translate(" + smallGraphPosWidth.posX + "," + smallGraphPosWidth.posY + ")");
// -----------------------------------------------------------------------
var contextXAxis = d3.axisBottom(x2).tickValues(0);
context.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + smallGraphPosWidth.height + ")")
.call(contextXAxis);
context.append("g")
.attr("class", "brush")
.call(brush)
.call(brush.move, x.range());
// -----------------------------------------------------------------------
// Scale the range of the data
x.domain([0, raceData.lapTimes.size]);
y.domain([raceData.drivers.length, 1]);
x2.domain(x.domain());
y2.domain(y.domain());
var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
//console.log(["enhancedLapData", enhancedLapData]);
// Adds all lines
enhancedLapData.forEach((driverLapData, driverIndex) => {
//console.log(driverLapData);
focus.append("path")
.data([driverLapData.laps])
.attr("class", "line pathLines")
.attr("clip-path","url(#clip)")
.attr("data-line", driverLapData.driver.driverId) // custom data to specify the line
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.line)
.attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
.attr("d", lineDataDefinition)
.call(zoom);
context.append("path")
.data([driverLapData.laps])
.attr("class", "line-context")
.attr("data-line", driverLapData.driver.driverId) // custom data to specify the line
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.line)
.attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
.attr("d", lineDataDefinitionSmall);
//Appends a circle for each datapoint
focus.selectAll(".linepoint")
.data(driverLapData.laps)
.enter().append("circle") // Uses the enter().append() method
.attr("class", "linedot") // Assign a class for styling
.attr("clip-path","url(#clip)")
.attr("id", function(d, i) { return "circle-linepoint-" + d.lap + "-" + d.driverId; })
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 0)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.linepoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("cx", function(d, i) {return x(d.lap) })
.attr("cy", function(d, i) { return y(d.position) })
.attr("r", linePointSize)
.style("opacity", 0)
.call(zoom);
//Appends a circle for each datapoint
focus.selectAll(".invisiblelinepoint")
.data(driverLapData.laps)
.enter().append("circle") // Uses the enter().append() method
.attr("class", "linedot") // Assign a class for styling
.attr("clip-path","url(#clip)")
.attr("circle-id", function(d, i) { return "circle-linepoint-" + d.lap + "-" + d.driverId; })
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 0)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.linepoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("cx", function(d, i) {return x(d.lap) })
.attr("cy", function(d, i) { return y(d.position) })
.attr("r", linePointSize*2.4)
.on("click", handleClickOnPoint)
.on("mouseover", handleMouseOverLinePoint)
.on("mouseout", handleMouseOutLinePoint)
.style("opacity", 0)
.call(zoom);
driverLapData.laps.forEach((singleLap, singleLapIndex)=> {
//console.log(["driverLaps.forEach", singleLap, singleLapIndex]);
if(singleLap.pitStop){
//Appends a circle for each datapoint
focus.selectAll(".pitstoppoint")
.data([singleLap])
.enter().append("circle") // Uses the enter().append() method
.attr("class", "pitstopdot") // Assign a class for styling
.attr("clip-path","url(#clip)")
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.pitstoppoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("cx", function(d, i) {return x(d.lap) })
.attr("cy", function(d, i) { return y(d.position) })
.attr("r", linePointSize * 1.4)
.on("click", handleClickOnPoint)
.on("mouseover", handleMouseOverLinePoint)
.on("mouseout", handleMouseOutLinePoint)
.call(zoom);
context.selectAll(".pitstoppoint-context")
.data([singleLap])
.enter().append("circle") // Uses the enter().append() method
.attr("class", "pitstopdot") // Assign a class for styling
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.pitstoppoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("cx", function(d, i) {return x2(d.lap) })
.attr("cy", function(d, i) { return y2(d.position) })
.attr("r", linePointSize * 0.5)
.attr("d", lineDataDefinitionSmall);
// Remove data from driverLapData, since we don't need a generic datapoint for this
//driverLapData.laps[singleLapIndex] = {};
}
});
// in case the driver ended the race too early, get the status why he quit
/*TODO: Mouseover for Rectangle*/
var resultOfDriver = raceData.results.filter((result) => { return result.driverId == driverLapData.driver.driverId; });
if(resultOfDriver.length > 0 && getValidEndingStatusIds().indexOf(resultOfDriver[0].statusId) < 0){
var triangle = d3.symbol()
.type(d3.symbolTriangle)
.size(25);
//get Data for last round
focus.selectAll(".endpoint")
.data([driverLapData.laps[driverLapData.laps.length - 1]])
.enter().append("rect") // Uses the enter().append() method
.attr("class", "endpointdot") // Assign a class for styling
.attr("clip-path","url(#clip)")
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.endpoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("x", function(d, i) { return x(d.lap) - rectSize * 1/2; })
.attr("y", function(d, i) { return y(d.position) - rectSize * 1/2; })
.attr("height", rectSize)
.attr("width", rectSize)
.on("click", handleClickOnPoint)
.on("mouseover", handleMouseOverLinePoint)
.on("mouseout", handleMouseOutLinePoint)
.call(zoom);
context.selectAll(".endpoint")
.data([driverLapData.laps[driverLapData.laps.length - 1]])
.enter().append("rect") // Uses the enter().append() method
//.attr("class", "endpoint") // Assign a class for styling
.attr("class", "zoomable")
.attr("data-line", driverLapData.driver.driverId)
.attr("data-opacitychange", 1)
.attr("data-highlighted", 0)
.attr("data-elemtype", elemTypes.endpoint)
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("x", function(d, i) { return x2(d.lap) - rectSize * 1/4; })
.attr("y", function(d, i) { return y2(d.position) - rectSize * 1/4; })
.attr("height", rectSize * 0.4)
.attr("width", rectSize * 0.4)
.attr("d", lineDataDefinition);
/* tried with Cross, didn't work, don't know why
svg.selectAll(".endpoint")
.data([driverLapData.laps[driverLapData.laps.length - 1]])
.enter().append("symbolCircle") // Uses the enter().append() method
.attr("size", 300)
.attr("class", "endpoint") // Assign a class for styling
.attr("fill", getColorValue(driverIndex, enhancedLapData.length))
.attr("transform", function(d) { return "translate(" + x(d.lap) + "," + y(d.position) + ")"; });
*/
}
});
// Add the X Axis
var testXAxis = focus.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + graphPosWidth.height + ")")
.attr("clip-path","url(#clip)")
.call(xAxis);
// Add the Y Axis on left side
focus.append("g")
.attr("class","axis--y-left")
.call(
d3.axisLeft(y)
.ticks(raceData.drivers.length)
.tickFormat(function(d) {
return getDriverCodeFromPosAndLap(raceData, 0, d) + " " + d;
})
);
//Add driver information on the right side of the graph.
focus.append("g")
.attr("class","axis--y-right")
.call(
d3.axisRight(y)
.ticks(raceData.drivers.length)
.tickFormat(function(d) {
var driverCode = "";
if(getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size, d)){
driverCode = getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size, d);
}else{
driverCode = getDriverCodeFromPosAndLap(raceData, raceData.lapTimes.size - 1, d);
}
return d + " " + driverCode ;
})
)
.attr("transform", "translate( " + (graphPosWidth.width) + ", 0 )");
// Add gridlines on x axis to better figure out laps
focus.append("g")
.attr("class", "xAxisGridlines")
.attr("transform", "translate(0," + graphPosWidth.height + ")")
.style("opacity", 0.06)
.call(xAxisGridlines);
function handleClickOnPoint(d,i){
//select elements that are highlightable but are not highlighted
d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 0 +"']")
.style("opacity", 0.10);
// if clicked on already highlighted line, remove highlight
if(this.getAttribute("data-highlighted") == 1){
d3.selectAll("[data-line='" + d.driverId +"'][data-opacitychange='" + 1 +"']")
.style("opacity", 0.10);
d3.selectAll("[data-line='" + d.driverId +"']")
.attr("data-highlighted", 0);
}else{
//select elements that belong to line and are highlightable
d3.selectAll("[data-line='" + d.driverId +"'][data-opacitychange='" + 1 +"']")
.style("opacity", 1);
d3.selectAll("[data-line='" + d.driverId +"']")
.attr("data-highlighted", 1);
}
// if no element highlighted, then everything normal again
var highlightedElements = d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 1 +"']");
if(highlightedElements.size() == 0){
//select elements that are highlightable but are not highlighted
d3.selectAll("[data-opacitychange='" + 1 +"'][data-highlighted='" + 0 +"']")
.style("opacity", 1);
}
}
function handleMouseOverLinePoint(d, i, e) {
var elemType = d3.select(this).attr("data-elemtype");
//depending on Pitstop and lap different Texts
var textArr = [];
var textMaxLength = 1;
// Add interactivity
// Use D3 to select element, change color and size
if(elemType === elemTypes.linepoint){
var circleId = "circle-linepoint-" + d.lap + "-" + d.driverId;
var circle = d3.select("#" + circleId);
circle
.style("opacity", 1);
textArr = getLapTextArray(raceData,d);
}else if(elemType === elemTypes.pitstoppoint){
d3.select(this)
.attr("r", linePointSize * 2);
textArr = getPitStopTextArray(raceData,d);
}else if(elemType === elemTypes.endpoint){
var newRectSize = rectSize * 1.5;
d3.select(this)
.attr("height", newRectSize)
.attr("width", newRectSize)
.attr("x", function(d, i) { return x(d.lap) - newRectSize * 1/2; })
.attr("y", function(d, i) { return y(d.position) - newRectSize * 1/2; });
textArr = getEndPointTextArray(raceData,d);
}
// Calculate tooltip width based on text
for(var lineI in textArr) {
var line = textArr[lineI];
if(line.length > textMaxLength) textMaxLength = line.length;
}
textMaxLength = (2/3) * textMaxLength;
// Figure out relative tooltip position on x axis
var cxValue = d3.select(e[i]).attr("cx");
var xValue = (cxValue === null) ? d3.select(e[i]).attr("x") : cxValue;
var xRatio = xValue / svgWidth;
var tooltipGroup = svg.append("g")
.attr("id", "t" + d.lap + "-" + d.position + "-" + i); // Unique id so it can be removed later
tooltipGroup.append("rect")
.attr("style", "fill:rgb(225,225,225);stroke:black;stroke-width:2;")
.attr("width", textMaxLength + "em")
.attr("height", (textArr.length + 1) + "em")
.attr("x", function() { if(xRatio < 0.70) return d3.mouse(this)[0] + 10; else return d3.mouse(this)[0] - 130; })
.attr("y", function() { return d3.mouse(this)[1] + 25; });
//Necessary to add Text for each Line
textArr.forEach((text, textIndex) =>{
// Specify where to put label of text
tooltipGroup.append("text")
.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 ;
}));
}
}
}