Modified EnhancedLapData per Driver, added Dots and simple Hover Logic

js/diagrams.js

@@ -3,6 +3,8 @@
 // https://bl.ocks.org/mbostock/3884955
 function createLineGraph(containerId, raceData){
 
+  console.log(raceData);
+
   var height = 1000;
   var width = 1000;
 
@@ -15,8 +17,6 @@ function createLineGraph(containerId, raceData){
   var x = d3.scaleLinear().range([0, width]);
   var y = d3.scaleLinear().range([height, 0]);
 
-  var allLineData = transformRaceDataToLineData(raceData);
-
   // defines how the passed in Data, at "svg.append" shall be interpreted
   var lineDataDefinition = d3.line()
     .x(function(d) { return x(d.lap); })
@@ -36,14 +36,29 @@ function createLineGraph(containerId, raceData){
   x.domain([0, raceData.lapTimes.size]);
   y.domain([raceData.drivers.length, 1]);
 
+  var enhancedLapData = processor.getEnhancedLapDataPerDriver(raceData);
+  console.log(enhancedLapData);
+
   // Adds all lines
-  allLineData.forEach((singleLineData, i) => {
-    svg.append("path")
-        .data([singleLineData])
-        .attr("class", "line")
-        .attr("stroke", getColorValue(i, allLineData.length) )
-        .attr("d", lineDataDefinition)
-        ;
+  enhancedLapData.forEach((driverLapData, driverIndex) => {
+      svg.append("path")
+          .data([driverLapData.laps])
+          .attr("class", "line")
+          .attr("stroke", getColorValue(driverIndex, enhancedLapData.length) )
+          .attr("d", lineDataDefinition)
+
+      //Appends a circle for each datapoint
+      svg.selectAll(".linepoint")
+          .data(driverLapData.laps)
+          .enter().append("circle") // Uses the enter().append() method
+          .attr("class", "dot") // Assign a class for styling
+          .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", 3)
+          .on("mouseover", handleMouseOverLinePoint)
+          .on("mouseout", handleMouseOutLinePoint);
+
   });
 
   // Add the X Axis
@@ -58,14 +73,35 @@ function createLineGraph(containerId, raceData){
       .call(d3.axisRight(y))
       .attr("transform", "translate( " + (width) + ", 0 )");
 
-console.log(transformPitStopDataToPointData(raceData));
-  // 12. Appends a circle for each datapoint
-  svg.selectAll(".dot")
-      .data(transformPitStopDataToPointData(raceData))
-    .enter().append("circle") // Uses the enter().append() method
-      .attr("class", "dot") // Assign a class for styling
-      .attr("cx", function(d, i) { return x(d.lap) })
-      .attr("cy", function(d) { return y(d.position) })
-      .attr("r", 5);
+  function handleMouseOverLinePoint(d, i) {
+    console.log(d);
+    console.log(i);
+    // Add interactivity
+    // Use D3 to select element, change color and size
+    d3.select(this).attr({
+      fill: "orange",
+      r: 3 * 2
+    });
+
+    // Specify where to put label of text
+    svg.append("text")
+    .attr("id", "t" + d.lap + "-" + d.positon + "-" + i)// Create an id for text so we can select it later for removing on mouseout
+    .attr("x", function() { return x(d.lap) - 30; })
+    .attr("y", function() { return y(d.position) - 15; })
+    .text(function() {
+      return [d.lap, d.position];  // Value of the text
+    });
+  }
+
+  function handleMouseOutLinePoint(d, i) {
+    // Use D3 to select element, change color back to normal
+    d3.select(this).attr({
+      fill: "black",
+      r: 3
+    });
+
+    // Select text by id and then remove
+    d3.select("#t" + d.lap + "-" + d.positon + "-" + i).remove();  // Remove text location
+  }
 
 }

js/processor.js

@@ -10,7 +10,7 @@ var processor = {
       qualifying: null,
       results: null,
       raceInfo: null,
-      
+
     };
 
     race.drivers = queries.getDriversByRaceId(raceId);
@@ -31,22 +31,21 @@ getEnhancedLapDataPerDriver: function(raceData) {
                     laps: [],
                 };
                 lapData.driver = driver;
+                //Attach Qualifying Data
+                lapData.qualifying = processor.getQualifyingForDriver(raceData, driver);
+                //add Qualifying Data to the Laps
+                lapData.laps.push({'driverId': driver.driverId, 'lap': 0, 'position': lapData.qualifying.position})
                 raceData.lapTimes.forEach(lap => {
                     lap.forEach(curLap => {
                         if( curLap.driverId == driver.driverId ){
-                             var pitstop = raceData.pitStops.filter(pitstop => pitstop.driverId == driver.driverId && pitstop.lap == curLap.lap);                                              
+                             var pitstop = raceData.pitStops.filter(pitstop => pitstop.driverId == driver.driverId && pitstop.lap == curLap.lap);
                              if(pitstop.length > 0){
                                 curLap.pitStop = pitstop[0];
                              }
-                             
                              lapData.laps.push(curLap);
                         }
                     });
                 });
-
-                
-               
-                
                 result.push(lapData);
             });
             return result;
@@ -58,7 +57,7 @@ getEnhancedLapDataPerDriver: function(raceData) {
   },
 
   //Gets the position of Driver with driverid in specific lap
-  // lapData: an array of the lap data for one lap 
+  // lapData: an array of the lap data for one lap
   getPositionOfDriver: function(driver, lapData, defaultReturn){
     var lapEntryWithDrivId = lapData.filter( drivLap => drivLap.driverId == driver.driverId );
     if(lapEntryWithDrivId.length > 0){
@@ -68,4 +67,9 @@ getEnhancedLapDataPerDriver: function(raceData) {
     }
   },
 
+  getQualifyingForDriver: function(raceData, driver){
+    var qualData = raceData.qualifying.filter( qualData => qualData.driverId == driver.driverId);
+    return qualData[0];
+  }
+
 };

js/util.js

@@ -66,7 +66,7 @@ function transformPitStopDataToPointData(raceData){
 for(var i = 0; i<  randomData.length;i++){
     if(randomData[i].driverId == pitStop.driverId){
         position = randomData[i].position;
-        break;    
+        break;
     }
 }
 //console.log(position);
@@ -75,11 +75,6 @@ for(var i = 0; i<  randomData.length;i++){
   return pointData;
 }
 
-function getPositionOfQualifying(raceData, driver){
-  var qualData = raceData.qualifying.filter( qualData => qualData.driverId == driver.driverId);
-  return qualData[0].position;
-}
-
 // eigentlich war für TickData gedacht
 function getDriverCodeAndPositionArray(raceData, lapNumber){
   var posDriverCode = [];