def save_image(self, grabResult): #Method for saving images
#Set saved image title format: Time-Date.jpeg
now = datetime.datetime.now()
nowstr = now.strftime("%H%M%f-%m_%d_%y")
print("Saving image...")
ipo = pylon.ImagePersistenceOptions()
ipo.SetQuality(100)
filename = nowstr + ".jpeg"
#Save image to current directory
try:
image = self.converter.Convert(grabResult)
img = image.GetArray()
cv2.imwrite(filename, img)
grabResult.Release(
) #Release the grab result so that a new image can be grabbed
print("Image successfully saved as", filename)
except Exception as error:
print("Error saving image:", error)
return False
return True
tlf = pylon.TlFactory.GetInstance()
cam = pylon.InstantCamera(tlf.CreateFirstDevice())
cam.Open()
cam.StartGrabbing()
for i in range(num_img_to_save):
with cam.RetrieveResult(2000) as result:
# Calling AttachGrabResultBuffer creates another reference to the
# grab result buffer. This prevents the buffer's reuse for grabbing.
img.AttachGrabResultBuffer(result)
if platform.system() == 'Windows':
# The JPEG format that is used here supports adjusting the image
# quality (100 -> best quality, 0 -> poor quality).
ipo = pylon.ImagePersistenceOptions()
quality = 90 - i * 10
ipo.SetQuality(quality)
filename = "saved_pypylon_img_%d.jpeg" % quality
img.Save(pylon.ImageFileFormat_Jpeg, filename, ipo)
else:
filename = "saved_pypylon_img_%d.png" % i
img.Save(pylon.ImageFileFormat_Png, filename)
# In order to make it possible to reuse the grab result for grabbing
# again, we have to release the image (effectively emptying the
# image object).
img.Release()
cam.StopGrabbing()
