gistfile1.java

String lines[];
String invoer = "";

void setup() {
  size(500,500);
  strokeWeight(2);
  lines = loadStrings("netnummers.txt");
}

void draw() {
  background(0);
  
  for (int i=0; i<lines.length; i++) {
    String[] nums = split(lines[i], '\t');
    float x = map(float(nums[1]), 400, 15000, 0, width);
    float y = map(float(nums[0]), 400, 13000, height, 0);
    String kengetal = nums[2];
    
    if (kengetal.indexOf(invoer)==0) {
      stroke(255,255,0);
    } else {
      stroke(100); 
    }
    
    point(x,y);
  } 
 
  
  
  text(invoer, 10, 15); 
}

void keyPressed() {
  invoer += key; 
  if (key==8 && invoer.length()>0) {
    invoer = invoer.substring(0, invoer.length()-2);
  }
}