color prefixColour(String ID){
    color theCol;
    String Prefix = "";
    int h=255;
    int s=255;
    int v=255;
    Pattern p = Pattern.compile("[A-Z]+"); // look for a capital letter 1 or more times
    Matcher m = p.matcher(ID);
    if (m.lookingAt()){
      Prefix = m.group();
    }
    
    for (int c=0; c<Prefix.length(); c++){
     // theValue += int((Prefix.charAt(c))-65) / (c+1);
     if (c==0) h=(Prefix.charAt(c)-65)*9;
     else if (c==1) s=255-((Prefix.charAt(c)-65)*9);
    // else if (c==2) v=255-((Prefix.charAt(c)-65)*9); 
    }
    theCol = color(h,s,v);
    return theCol;
}


color agencyColour(String Agency){
    color theCol;
    //String Prefix = "";
   /* 
    Pattern p = Pattern.compile("[0-9]+"); // strip out the number
    Matcher m = p.matcher(Agency);
    if (m.lookingAt()){
      Prefix = m.group();
    }
    */
    
    String Prefix = Agency.substring(3);
    
    int rawvalue = int(Prefix);
    theCol = color(rawvalue*0.02,200,200);
    return theCol;
}