Micro-Manager beanshell script to close shutter after specified delay.

gistfile1.java

// Close shutter after specified delay.
//
// In response to James' question on the mailing list:
// http://micro-manager.3463995.n2.nabble.com/Tethered-Cam-Sutter-Shutter-Closure-Delay-td7583216.html

// Set this variable to however long you need your shutter to be open.
delayBeforeShutterCloseMs = 800;

// Opens shutter and sets timer to close shutter.
Runnable synchronizedShutter = new Runnable() {
   public void run() {
      shutterTimer = new Timer();
      // One has to create a TimerTask each time it is run, since a
      // TimerTask cannot be re-used after it is executed.
      closeTask = new TimerTask() {
         public void run() {
            mmc.setShutterOpen(false);
         }
      };
      mmc.setShutterOpen(true);
      // The runnable executes before the image is taken.  Using the
      // timer here allows this run() method to return so the camera
      // and snap an image, and then the shutter closes after the set
      // delay.
      shutterTimer.schedule(closeTask, delayBeforeShutterCloseMs);
   }
};

// Boilerplate for runnable Beanshell scripts.
gui.clearRunnables();

// Disable auto-shutter since we are manually toggling the shutter in
// this script.
mmc.setAutoShutter(false);

// Run for every image captured.
gui.attachRunnable(-1,-1,-1,-1,synchronizedShutter);

print("Shutter runnable activated.");