クリックした場所の座標とその時のクラス(テンキーで入力)をdata.csv保存する。 座標点は0-640,0-480というかなり雑な状態。 Processing2.0b9で作った

plot2data.pde

/***
Plot to Data (EnsekiTT)
x: exit
mouse_click + 0~9: plot + class(1~9)

output: data.csv
***/

int temp_key;
PrintWriter writer;

void setup() {
  size(640, 480);
  background(0);
  writer = createWriter("data.csv");
}

void draw() {
  
}

void keyPressed(){
  if(key == 'x'){
    writer.close();
    exit();   
  } 
}

void mousePressed() {
  if ((keyPressed == true) && ('9' >= key) && (key >= '0')) {
    temp_key = int(key)-48;
  }else{
    temp_key = 0; 
  }
  /** Log **/
  writer.println(mouseX + "," + mouseY + "," + temp_key);
  writer.flush();
  
  /** Plot **/
  colorMode(HSB,256);
  stroke(temp_key*20,200,200);
  strokeWeight(2);
  noFill();
  switch(temp_key % 3){
    case 0:
      ellipse(mouseX, mouseY, 6, 6);
      break;
    case 1:
      rect(mouseX, mouseY, 6, 6);
      break;
    case 2:
      triangle(mouseX - 3, mouseY - 3, mouseX + 3, mouseY - 3, mouseX, mouseY + 3);
      break;
  }
}