// System.out.println("----- physical camera #"+cam_port_arr[i].x+", sensor_port="+cam_port_arr[i].y);
// }
// debugging:
System.out.println("----- This filename subcamera "+subCamera+": physical camera "+cam_port_arr[subCamera].x+", sensor_port "+cam_port_arr[subCamera].y);
if(subCamera>=cam_port_arr.length){
System.out.println("Error: Subcamera "+subCamera+" > that total namera of sensor ports in the system = "+cam_port_arr.length);