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#!/usr/bin/python
from __future__ import absolute_import, print_function, division
from pymba import *
import time
def test_cameras():
# start Vimba
with Vimba() as vimba:
# get system object
system = vimba.getSystem()
# list available cameras (after enabling discovery for GigE cameras)
if system.GeVTLIsPresent:
system.runFeatureCommand("GeVDiscoveryAllOnce")
time.sleep(0.2)
cameraIds = vimba.getCameraIds()
for cameraId in cameraIds:
print('Camera ID:', cameraId)
# get and open a camera
camera0 = vimba.getCamera(cameraIds[0])
camera0.openCamera()
# list camera features
cameraFeatureNames = camera0.getFeatureNames()
for name in cameraFeatureNames:
print('Camera feature:', name)
# get the value of a feature
print(camera0.AcquisitionMode)
# set the value of a feature
camera0.AcquisitionMode = 'SingleFrame'
# create new frames for the camera
frame0 = camera0.getFrame() # creates a frame
frame1 = camera0.getFrame() # creates a second frame
# announce frame
frame0.announceFrame()
# capture a camera image
camera0.startCapture()
frame0.queueFrameCapture()
camera0.runFeatureCommand('AcquisitionStart')
camera0.runFeatureCommand('AcquisitionStop')
frame0.waitFrameCapture()
# get image data...
imgData = frame0.getBufferByteData()
# ...or use NumPy for fast image display (for use with OpenCV, etc)
import numpy as np
moreUsefulImgData = np.ndarray(buffer=frame0.getBufferByteData(),
dtype=np.uint8,
shape=(frame0.height,
frame0.width,
1))
# clean up after capture
camera0.endCapture()
camera0.revokeAllFrames()
# close camera
camera0.closeCamera()
if __name__ == '__main__':
test_cameras()
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