diff --git a/geometry.py b/geometry.py
index 38ecca7..f7bdd66 100755
--- a/geometry.py
+++ b/geometry.py
@@ -171,7 +171,7 @@ class geometry:
     # [c d] [my] [py]
 
     K, AA=self._lut_pix2pos
-    pix2pos=self._pix2pos=np.asmatrix(np.ndarray((2, 2), np.float))
+    pix2pos=self._pix2pos=np.asmatrix(np.ndarray((2, 2), np.float64))
     pix2pos[0, 0]=np.interp(zoom, K, AA[:, 0, 0])
     pix2pos[0, 1]=np.interp(zoom, K, AA[:, 0, 1])
     pix2pos[1, 0]=np.interp(zoom, K, AA[:, 1, 0])
diff --git a/psi_device.py b/psi_device.py
index fb60bc5..f2c6f87 100644
--- a/psi_device.py
+++ b/psi_device.py
@@ -29,6 +29,35 @@ try:
 except ImportError as e:
   _log.warning(e)
 
+class Shutter:
+
+  def __init__(self,mode=1):
+    self._mode=mode
+
+  def open(self):
+    mode=self._mode
+    if mode==0:
+      _log.info('open simulated shutter')
+    elif mode==1:
+      # open laser shutter
+      # epics.caput("SLAAR02-LMOT-M262:MOT.VAL", 1)
+      # time.sleep(4)
+
+      # open fast shutter
+      epics.caput("SARES30-LTIM01-EVR0:RearUniv0-Ena-SP", 1)
+      _log.info('shutter opened')
+
+  def close(self):
+    mode=self._mode
+    if mode==0:
+      _log.info('close simulated shutter')
+    elif mode==1:
+      # close fast shutter
+      epics.caput("SARES30-LTIM01-EVR0:RearUniv0-Ena-SP", 0)
+
+      # close laser shutter
+      # caput("SLAAR02-LMOT-M262:MOT.VAL", 40)
+      _log.info('shutter closed')
 
 class Deltatau:
   def __init__(self):
diff --git a/pyqtUsrObj.py b/pyqtUsrObj.py
index d093009..7b4ecce 100644
--- a/pyqtUsrObj.py
+++ b/pyqtUsrObj.py
@@ -527,7 +527,7 @@ class FixTargetFrame(UsrROI):
       lh=QLineF(x-rx, y, x+rx, y)
       lv=QLineF(x, y-ry, x, y+ry)
       p.drawLines(lh, lv)
-      p.drawEllipse(x-rx/2, y-ry/2, rx, ry)
+      p.drawEllipse(int(x-rx/2), int(y-ry/2), int(rx), int(ry))
 
     else:
       assert('unknown feducial type')
diff --git a/swissmx.py b/swissmx.py
index 2e55263..551ba97 100755
--- a/swissmx.py
+++ b/swissmx.py
@@ -17,6 +17,7 @@ bitmask for simulation:
   0x08: camera
   0x10: Deltatau motors
   0x20: SmarAct motors
+  0x40: shutter
 
 """
 import logging
@@ -143,7 +144,6 @@ import pyqtUsrObj as UsrGO
 from epics_widgets.MotorTweak import MotorTweak
 from epics_widgets.SmaractMotorTweak import SmaractMotorTweak
 from epics_widgets.SimMotorTweak import SimMotorTweak
-from epics import caput, caget # TODO: shutter
 ts.log('Import part 5/8:')
 import numpy as np
 np.set_printoptions(suppress=True,linewidth=196)
@@ -1759,7 +1759,7 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
     exp_tab = self._tab_experiment
 
     # add layouts
-    exp_tab.setLayout(QVBoxLayout())
+    #exp_tab.setLayout(QVBoxLayout())
     setup_tab.setLayout(QVBoxLayout())
     setup_tab.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
     self._setup_toolbox = tbox = QToolBox()
@@ -2212,6 +2212,7 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
 
     #_log.critical('abort for test');return # RET
     geo = app._geometry
+    shutter=app._shutter
     fn='/tmp/shapepath'
     try:
       dt=app._deltatau
@@ -2293,26 +2294,24 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
         return
       dlg.setLabelText("Homing and get ready");dlg+=5
       sp.homing()  # homing if needed
-
-      # TODO: shutter
-      # open laser shutter
-      # caput("SLAAR02-LMOT-M262:MOT.VAL", 1)
-      # time.sleep(4)
-
-      # TODO: shutter
-      # open fast shutter
-      caput("SARES30-LTIM01-EVR0:RearUniv0-Ena-SP", 1)
-
       sp.run()  # start motion program
       sp.wait_armed()  # wait until motors are at first position
-      #time.sleep(1.0) # wait armed does not wor yet ?!?
+      shutter.open()
       jf.acquire(num_pts)
       sp.trigger(0.5)  # send a start trigger (if needed) after given time
-      if not dt._comm is None:
+      if dt._comm is None:
+        dlg.setLabelText("run motion/acquisition")
+        dlg.setMaximum(num_pts)
+        for p in range(0,num_pts,int(num_pts/1000)):
+          #_log.info(f'progress {p}/{num_pts}')
+          dlg.setValue(p)
+          time.sleep(.1)
+      else:
         dlg.setLabelText("run motion/acquisition")
         dlg.setMaximum(num_pts)
         while True:
-          p=sp.progress()
+          p=int(sp.progress())
+          #_log.info(f'progress {p}/{num_pts}')
           if p<0:
             break
           elif dlg.wasCanceled():
@@ -2320,7 +2319,7 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
             break
           #_log.info(f'progress {p}/{sp.points.shape[0]}')
           dlg.setValue(p)
-          time.sleep(.1)
+          time.sleep(1.) #wait 1 sec instead of .1...hopefully less segmentation faults
         if not dlg.wasCanceled():
           jf.gather_upload()
           dlg.setLabelText("upload gather data")
@@ -2331,13 +2330,7 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
             plt.show(block=False)
             #plt.show(block=True)
 
-      # TODO: shutter
-      # clos fast shutter
-      caput("SARES30-LTIM01-EVR0:RearUniv0-Ena-SP", 0)
-
-      # TODO: shutter
-      # close laser shutter
-      # caput("SLAAR02-LMOT-M262:MOT.VAL", 40)
+      shutter.close()
 
   def esc_run_steps(self, steps, title, esc_state):
     self._esc_state ="busy"
@@ -3400,9 +3393,9 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
     sp.trigger(0.5)  # send a start trigger (if needed) ater given time
     if not dt._comm is None:
       while True:
-        p=sp.progress()
+        p=int(sp.progress())
         if p<0: break
-        print('progress %d/%d'%(p, sp.points.shape[0]));
+        #print('progress %d/%d'%(p, num_pts))
         time.sleep(.1)
       sp.gather_upload(fnRec=fn+'.npz')
       #dp=deltatau.shapepath.DebugPlot(sp)
@@ -4144,6 +4137,12 @@ if __name__=="__main__":
       app._camera.sim_gen(mode=1)
     else:
       app._camera = camera.epics_cam()
+
+    if args.sim&0x80:
+      app._shutter = psi_device.Shutter(0)
+    else:
+      app._shutter = psi_device.Shutter(1)
+
     #app._camera.run() is called in center_piece_update
 
     startupWin.set(60, f'start main window')