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Feature #3750 » testearlyreturn.py

Anchi Cheng, 08/25/2016 04:49 PM

 
from pyscope import dmsem
import time
import threading

grabnum = 0
sumnum = 1
clear_time = 50

d = dmsem.GatanK2Super()
d.setExposureTime(8000)
d.setEarlyReturnFrameCount(grabnum,sumnum)
dc = dmsem.GatanK2Counting()
dc.setEarlyReturnFrameCount(0,10)
dc.setExposureTime(1000)
t_saved = []
t_not_saved1 = []
t_not_saved2 = []

def fastAcquire(dc):
t1 =time.time()
dc.setSaveRawFrames(False)
dc.getImage() #This calls GS_getAcquiredImage
t2 = time.time()
return t2 - t1

def frameSavingAcquire(d):
d.setSaveRawFrames(True)
t0 =time.time()
d.getImage() #This calls GS_getAcquiredImage
t1 =time.time()
print '________________________'
return t1 - t0

for i in range(3):
t0 =time.time()
t_saved.append(frameSavingAcquire(d))
t_not_saved1.append(fastAcquire(dc))
t_not_saved2.append(fastAcquire(dc))
t3 = time.time()
if clear_time > (t3-t0):
# sleep to make sure all frames are saved to disk
time.sleep(clear_time-(t3-t0))

print 'logger off'
print '____grab %d____sum %d________________' % (grabnum,sumnum)
print 'numGrabSum', d.getEarlyReturnFrameCount()
print ' frame saved return', map((lambda x: '%7.3f' % x),t_saved)
print 'frame 1st not save return', map((lambda x: '%7.3f' % x),t_not_saved1)
print 'frame 2nd not save return', map((lambda x: '%7.3f' % x),t_not_saved2)
print '________________________'
(2-2/3)