add timeline

logdata_visualization/Timeline.pde

@@ -0,0 +1,168 @@
+
+public class Timeline
+{
+  PVector posOrigin;
+  PVector size;
+  
+  int textsize=12;
+  
+  color cborder = color(200,200,200);
+  color ctimeslider = color(255,255,255);
+  
+  private float time_start; //in seconds
+  private float time_end;
+  
+  float[] preview_cmd;
+  float[] preview_throttle;
+  float[] preview_brake;
+  float[] preview_currentAll;
+  
+  public Timeline(int px, int py, int pw, int ph) {
+    this.posOrigin= new PVector(px,py); //lower left corner
+    this.size = new PVector(pw,ph); //to the right and up
+    
+    preview_cmd=new float[(int)this.size.x];
+    preview_throttle=new float[(int)this.size.x];
+    preview_brake=new float[(int)this.size.x];
+    preview_currentAll=new float[(int)this.size.x];
+  }
+  
+  
+  
+  public void generatePreview(Table logdata) {
+    int cID=0; //current ID for generating preview in datalog
+    for (int x=0;x<this.size.x;x++) //for every width pixel of timeline
+    {
+      float t1=xPosToTimeSeconds(x); //time start for this pixel
+      float t2=xPosToTimeSeconds(x+1); //time end for this pixel
+      while ((cID+1 < logdata.getRowCount()) && ( t1 > (logdata.getRow(cID+1).getFloat("time")))) { //while starttime not reached
+        cID++; //next
+      }
+      int preview_mean_counter=0;
+      float preview_mean_cmd=0;
+      float preview_mean_brake=0;
+      float preview_mean_throttle=0;
+      float preview_mean_currentAll=0;
+      
+      
+      while ((cID+1 < logdata.getRowCount()) && ( t2 > (logdata.getRow(cID+1).getFloat("time")))) { //while endtime not reached
+        TableRow row = logdata.getRow(cID);
+        nextTimeData=(long)(logdata.getRow(cID+1).getFloat("time")*1000); //get time and convert from seconds to ms
+        
+        lastTimeMillis=nextTimeMillis;
+        
+        
+        preview_mean_cmd += (row.getInt("cmd_FrontL")+row.getInt("cmd_FrontR")+row.getInt("cmd_RearL")+row.getInt("cmd_RearR"))/4.0;
+        preview_mean_brake += row.getInt("brake");
+        preview_mean_throttle += row.getInt("throttle");
+        preview_mean_currentAll += row.getFloat("currentAll"); 
+        /*
+        current_FrontL=row.getFloat("current_FrontL");
+        current_FrontR=row.getFloat("current_FrontR");
+        current_RearL=row.getFloat("current_RearL");
+        current_RearR=row.getFloat("current_RearR");
+        speed_FrontL=row.getInt("speed_FrontL");
+        speed_FrontR=row.getInt("speed_FrontR");
+        speed_RearL=row.getInt("speed_RearL");
+        speed_RearR=row.getInt("speed_RearR");
+        temp_Front=row.getFloat("temp_Front");
+        temp_Rear=row.getFloat("temp_Rear");
+        vbat_Front=row.getFloat("vbat_Front");
+        vbat_Rear=row.getFloat("vbat_Rear");
+        currentAll=row.getFloat("currentAll");    
+        throttle=row.getInt("throttle");
+        brake=row.getInt("brake");*/
+        
+        preview_mean_counter++;
+        
+        cID++; //next
+      }
+      preview_mean_cmd/=preview_mean_counter;
+      preview_mean_brake/=preview_mean_counter;
+      preview_mean_throttle/=preview_mean_counter;
+      preview_mean_currentAll/=preview_mean_counter;
+      
+      
+      
+      preview_cmd[x]=preview_mean_cmd;
+      preview_brake[x]=preview_mean_brake;
+      preview_throttle[x]=preview_mean_throttle;
+      preview_currentAll[x]=preview_mean_currentAll;
+    }//next pixel
+    
+  }
+  
+  public void setTimes(float _start,float _end) {
+    this.time_start=_start;
+    this.time_end=_end;
+  }
+    
+  
+  public void drawTL(float _time) {
+    //Preview visualization
+    for (int x=0;x<this.size.x;x++) //for every width pixel of timeline
+    {
+      if (!Float.isNaN(preview_cmd[x])) {
+        float preview_cmd_scaled=constrain(map(preview_cmd[x],0,1000,0.0,1.0), 0.0,1.0);
+        preview_cmd_scaled=sqrt(sqrt(preview_cmd_scaled))+0.1;//more contrast
+        
+        float preview_currentAll_scaled=constrain(map(preview_currentAll[x],0,10,0.0,1.0), 0.0,1.0);
+        preview_currentAll_scaled=sqrt(sqrt(preview_currentAll_scaled));//more contrast
+        
+        colorMode(HSB, 360, 100, 100);
+        stroke(color(200-preview_currentAll_scaled*200,100,preview_cmd_scaled*100));
+        line(this.posOrigin.x+x,this.posOrigin.y,this.posOrigin.x+x,this.posOrigin.y+this.size.y); //color gradient background
+        
+        float preview_throttle_scaled=constrain(map(preview_throttle[x],0,1000,0.0,1.0), 0.0,1.0);
+        colorMode(HSB, 360, 100, 100);
+        stroke(color(240,100,100));
+        line(this.posOrigin.x+x,this.posOrigin.y+this.size.y,this.posOrigin.x+x,this.posOrigin.y+this.size.y*(1-preview_throttle_scaled/2)); //line bottom up
+        
+        float preview_brake_scaled=constrain(map(preview_brake[x],0,1000,0.0,1.0), 0.0,1.0);
+        colorMode(HSB, 360, 100, 100);
+        stroke(color(0,100,100));
+        line(this.posOrigin.x+x,this.posOrigin.y,this.posOrigin.x+x,this.posOrigin.y+this.size.y*preview_brake_scaled/2); //line top down
+      }
+    }
+    
+    //Boarder
+    rectMode(CORNERS);
+    noFill();
+    stroke(this.cborder);
+    rect(this.posOrigin.x,this.posOrigin.y,this.posOrigin.x+this.size.x,this.posOrigin.y+this.size.y); //border
+    
+    //current time
+    int timeslider_xpos = (int)( this.posOrigin.x+timeSecondsToXPos(_time) );
+    stroke(this.ctimeslider);
+    line(timeslider_xpos,this.posOrigin.y-3,timeslider_xpos,this.posOrigin.y+this.size.y+3);
+    
+    
+    
+    
+    textSize(this.textsize);
+    textAlign(CENTER);
+    text(int(this.time_start+0.5)+"s", this.posOrigin.x, this.posOrigin.y-1); //starttime
+    text(int(this.time_end+0.5)+"s", this.posOrigin.x+this.size.x, this.posOrigin.y-1); //endtime
+  }
+  
+  public float checkMouse(int mx, int my) 
+  {
+    if (mx>=this.posOrigin.x && mx <=this.posOrigin.x+this.size.x && my>=this.posOrigin.y && my<=this.posOrigin.y+this.size.y) { //mouse whithin timeline boarder
+      float mousetime=xPosToTimeSeconds((int)(mx-this.posOrigin.x));
+      //float mousetimesliderpercent=(mx-this.posOrigin.x)/this.size.x;
+      //float mousetime=mousetimesliderpercent*(this.time_end-this.time_start)+this.time_start;
+      return millis()/1000.0-mousetime;
+    }
+    return 0;
+  }
+  
+  private int timeSecondsToXPos(float _time) {
+    float timesliderpercent = (_time-this.time_start)/(this.time_end-this.time_start); //0<= x <=1
+    return (int)(timesliderpercent*this.size.x);
+  }
+  
+  private float xPosToTimeSeconds(int _x) {
+    float mousetimesliderpercent=_x/this.size.x;
+    return mousetimesliderpercent*(this.time_end-this.time_start)+this.time_start;
+  }
+}

logdata_visualization/Visualization.pde

@@ -17,6 +17,8 @@ abstract class Visualization
   boolean showMinMax=false;
   
   //default colors (not all used by every implementation)
+  
+  
   color cmain = color(255,255,255);
   color cmain2 = color(255,255,255);
   color cscale = color(100,100,100);

logdata_visualization/logdata_visualization.pde

@@ -12,6 +12,10 @@ Serial serial;
 String serialString=""; //last read string
 int serial_endchar=10; //10=ASCII Linefeed
 
+//timeline
+float logdata_start_time=0;
+float logdata_end_time=0;
+
 Visualization vis_cmd_FrontL;
 Visualization vis_cmd_FrontR;
 Visualization vis_cmd_RearL;
@@ -41,8 +45,9 @@ Visualization vis_graph_speed_mean;
 
 Visualization vis_c_graph_receivedelay;
 
-
+boolean showTimeline=!useSerial;
-
+Timeline tl;
+int timeoffset=0; //for moving timeslider
 
 
 Table logdata;
@@ -52,6 +57,8 @@ long nextTimeData=0; //time of nextID row
 long lastTimeMillis=0; //local time
 long nextTimeMillis=0; //local time
 
+boolean newdataforced=false;
+
 int dataErrorCount=0;
 
 //Data from log
@@ -78,8 +85,8 @@ int brake;
 color bg=color(0);
 
 void setup() {
-  size(1920, 1080);
+  //size(1920, 1080);
-  //size(1000, 800);
+  size(1000, 800);
   frameRate(100);
   
   if (useSerial) {
@@ -96,8 +103,9 @@ void setup() {
     serialString = null;
   }else{
     logdata = loadTable(logfile_name, "header, csv");
-  
+    logdata_start_time=logdata.getRow(0).getFloat("time");
-    println("loaded "+logdata.getRowCount()+" lines. Times: "+logdata.getRow(0).getFloat("time")+"s to "+logdata.getRow(logdata.getRowCount()-1).getFloat("time")+"s");
+    logdata_end_time = logdata.getRow(logdata.getRowCount()-1).getFloat("time");
+    println("loaded "+logdata.getRowCount()+" lines. Times: "+logdata_start_time+"s to "+logdata_end_time+"s");
   }
   
   PVector pos_vis_cmd = new PVector(100,200);
@@ -211,11 +219,16 @@ void setup() {
   
   
   
+  if (showTimeline) {
+    tl = new Timeline(30,height-30, width-30*2, 28);
+    tl.setTimes(logdata_start_time,logdata_end_time);
+    tl.generatePreview(logdata);
+  }
   
 }
 
 void draw() {
-  long loopmillis=millis();
+  long loopmillis=millis()-timeoffset;
   
   if (useSerial) {
     if (serial.available() > 0) {
@@ -257,8 +270,11 @@ void draw() {
       }
     }
   }else{
-    while (loopmillis>=nextTimeData && nextID+1<logdata.getRowCount()){ //New Data
+    while (newdataforced || loopmillis>=nextTimeData && nextID+1<logdata.getRowCount()){ //New Data
+      newdataforced=false; //reset flag
+      if ((nextID+1 < logdata.getRowCount()) && (nextID-1 > 0)) { //valid row
         TableRow row = logdata.getRow(nextID);
+        
         lastTimeData=nextTimeData;
         nextTimeData=(long)(logdata.getRow(nextID+1).getFloat("time")*1000); //get time and convert from seconds to ms
         
@@ -290,7 +306,7 @@ void draw() {
         nextID+=(loopmillis-nextTimeData)/_timestep* 0.9; //fast forward estimated time steps
       }
       nextID++;
-      nextID=nextID%logdata.getRowCount();
+      }
     }
   }
   
@@ -363,4 +379,39 @@ void draw() {
   text(""+(dataErrorCount)+" errors", 5+70*3,12);
   
   
+  if(showTimeline) {
+    tl.drawTL(loopmillis/1000.0);
+  }
+  
+  
+  
+}
+
+void mouseClicked()
+{
+  if (showTimeline)  
+  {
+    int temp_timeoffset=(int)(tl.checkMouse(mouseX,mouseY)*1000);
+    if (temp_timeoffset!=0) {
+      
+      if (!(nextID+1 < logdata.getRowCount()) && (nextID >= 0)) { //nextID not valid
+        nextID=0; //rest to good value
+      }
+      
+      print("Jump nextID from "+nextID);
+      //find nextID to jump to
+      while ((nextID+1 < logdata.getRowCount()) && (nextID >= 0) && (millis()-temp_timeoffset > (long)(logdata.getRow(nextID+1).getFloat("time")*1000))) { //jumped forward
+        nextID++;
+      }
+      print(" over "+nextID);
+      while ((nextID+1 < logdata.getRowCount()) && (nextID >= 0) && (millis()-temp_timeoffset < (long)(logdata.getRow(nextID+1).getFloat("time")*1000))) { //jumped backward
+        nextID--;
+      }
+      println(" to "+nextID);
+      
+      timeoffset=temp_timeoffset;
+      newdataforced=true; //force read line for nextID
+      
+    }
+  }
 }