def Photo(e, hd, device, token, exp):
try:
if device == "N/A":
raise Exception('This camera is not avaiable')
tlf = pylon.TlFactory.GetInstance()
dev = tlf.EnumerateDevices()
i = 0
while True:
if (dev[i].GetIpAddress() == device):
break
i = i + 1
if (i == len(dev)):
raise Exception('This camera is not avaiable')
cam = pylon.InstantCamera(tlf.CreateDevice(dev[i]))
cam.Open()
img = pylon.PylonImage()
print(hd["name"] + " camera started.")
if (exp != "auto"):
cam.ExposureTime.SetValue(int(exp))
while e.is_set():
if (synchronizer.Synchro(token) == 1):
try:
if (not cam.IsGrabbing()):
cam.StartGrabbing()
result = cam.RetrieveResult(2000)
# Calling AttachGrabResultBuffer creates another reference to the
# grab result buffer. This prevents the buffer's reuse for grabbing.
img.AttachGrabResultBuffer(result)
if (img.IsGrabResultBufferAttached()):
filename = hd["name"] + "_%d" % (int(time.time()))
Save.SaveMetadata(filename + ".png")
img.Save(pylon.ImageFileFormat_Png, filename)
hd["timestamp"] = str(
time.gmtime().tm_year) + "-" + str(
time.gmtime().tm_mon) + "-" + str(
time.gmtime().tm_mday) + "T" + str(
time.gmtime().tm_hour) + ":" + str(
time.gmtime().tm_min) + ":" + str(
time.gmtime().tm_sec)
img.Release()
cam.StopGrabbing()
print("New image " + hd["name"])
hd["acquiredImages"] = hd["acquiredImages"] + 1
synchronizer.Update()
except genicam.RuntimeException as exc:
hd["error"] = str(exc)
hd["status"] = "GenError"
except genicam.LogicalErrorException as exc:
hd["error"] = str(exc)
hd["status"] = "GenError"
except Exception as exc:
hd["error"] = str(exc)
synchronizer.Update()
cam.Close()
except Exception as err:
hd["error"] = str(err)
hd["status"] = "error"
synchronizer.removefromQueue(token)
e.clear()
