def findallcams(self):
"""Find all cameras of this vendor
Returns
-------
cams : dictionary
Dictionary of all connected cameras where the key is the unique id
that can be used to obtain a camera handle. The value is a
description of the camera presented to the user.
"""
err0, ndev = self.ueyeapi.is_GetNumberOfCameras()
self._ce(err0)
# ndev = int(ndev)
cams = {}
# get a device key for each camera and then the info on the camera
err1, caminfo = self.ueyeapi.is_GetCameraList(camnum=ndev)
self._ce(err1)
camnum = int(getattr(caminfo, 'dwCount'))
log.info('Found %i UEye cameras' % int(camnum))
caminfolist = getattr(caminfo, 'uci[1]')
for i in range(camnum):
serial = getattr(caminfolist[i], 'SerNo[16]')
manufacturer = 'IDS UEye'
product = getattr(caminfolist[i], 'Model[16]')
cams[serial] = '%s_%s_%s' % (manufacturer, product, serial)
log.debug('Added camera %s_%s_%s' %
(manufacturer, product, serial))
return cams
def open(self, camid):
self._camid = camid
self._handle = self._vimba.getCamera(camid)
self._handle.openCamera()
log.debug('Opened AVT camera %s' % camid)
self.set_defaults()
def findallcams(self):
"""Find all cameras of this vendor
Returns
-------
cams : dictionary
Dictionary of all connected cameras where the key is the unique id
that can be used to obtain a camera handle. The value is a
description of the camera presented to the user.
"""
self._ce(vrm.VRmUsbCamUpdateDeviceKeyList())
ndev = vrm.VRmDWORD()
self._ce(vrm.VRmUsbCamGetDeviceKeyListSize(byref(ndev)))
ndev = int(ndev.value)
log.info('Found %i VRM cameras' % ndev)
cams = {}
# get a device key for each camera and then the info on the camera
for nn in range(ndev):
devkey = vrm.POINTER(vrm.VRmDeviceKey)()
self._ce(vrm.VRmUsbCamGetDeviceKeyListEntry(nn, byref(devkey)))
serial = devkey.contents.m_serial
manufacturer = devkey.contents.mp_manufacturer_str.data.decode(
'utf-8')
product = devkey.contents.mp_product_str.data.decode('utf-8')
cams[serial] = '%s_%s_%s' % (manufacturer, product, serial)
log.debug('Added camera %s_%s_%s' %
(manufacturer, product, serial))
return cams
def getfitdata(self):
"""Fits image and returns vcenter, hcenter, vwidth, hwidth as well as the beam angle"""
self.fitangle()
self.fitprofiles()
try:
if self._hfitparams is not None and self._vfitparams is not None and self._lfitparams is not None and self._sfitparams is not None:
if self.fitdataisrealistic():
vc = (self._vfitparams[1] +
self._roiposy) * self._pixelsize
hc = (self._hfitparams[1] +
self._roiposx) * self._pixelsize
lsa = 2 * np.abs(self._lfitparams[2]) * self._pixelsize
ssa = 2 * np.abs(self._sfitparams[2]) * self._pixelsize
data = []
data.append(hc)
data.append(vc)
data.append(lsa)
data.append(ssa)
data.append(self._fitangle)
return data
else:
log.warn(
"Unrealistic fit data was acquired. Data export was supressed."
)
return None
else:
return None
except:
log.debug("Error in getfitdata()")
return None
def stopcontacq(self):
if self._acquiring:
self._handle.runFeatureCommand('AcquisitionStop')
self._handle.flushCaptureQueue()
self._handle.endCapture()
self._handle.revokeAllFrames()
self._frame_pool = []
log.debug('stoped acquisition')
self._acquiring = False
def keyboardInterruptHandler(signal, frame):
guiint.thread.stop()
log.debug('Thread stopped.')
log.debug('Going to close all cams now.')
guiint.sensormngr.closeallcams()
log.debug('All cams were closed.')
log.debug('Closing all temperature sensors.')
guiint.sensormngr.closealltemp()
log.debug('All temperature sensors closed.')
log.info("Program was stopped. You can now close the Browser Tab".format(
signal))
exit(0)
def _findconnectedcams(self):
"""Find all connected cameras and store them in _camdict"""
self._camdict = {}
for cam in self._cameras:
try:
self._camdict[cam.VENDOR] = cam.findallcams()
log.debug('Found the following %s cameras: %s' %
(cam.VENDOR, self._camdict[cam.VENDOR]))
except NameError:
log.warning(
'Could not look for cameras from %s. Is the driver installed?'
% cam.VENDOR)
def __init__(self, queue, handle, parent):
"""Thread that gets images from the ueye camera
"""
super(UEyeThread, self).__init__()
self.isrunning = True
self._timeout = 25 # in 10x ms
self._queue = queue
self._handle = handle
self._parent = parent
self.setDaemon(
True) # important to let the Thread exit at application close.
log.debug('UEye thread started')
def findallcams(self):
self._system.runFeatureCommand('GeVDiscoveryAllOnce')
sleep(0.2)
cams = self._vimba.getCameraIds()
out = {}
for cam in cams:
c = self._vimba.getCamera(cam)
info = c.getInfo()
out[cam] = '{name} ({interface})'.format(
name=info.modelName.decode(),
interface=info.interfaceIdString.decode())
log.debug(out)
return out
def startcontacq(self):
if not self._acquiring:
# initialize a bunch of frames for later usage
self._frame_pool = [self._handle.getFrame() for _ in range(10)]
self._frame_funcs = {}
for frame in self._frame_pool:
frame.announceFrame()
ff = partial(VimbaCamera.frame_callback, self)
self._frame_funcs[frame] = ff
frame.queueFrameCapture(ff)
self._handle.startCapture()
self._handle.runFeatureCommand('AcquisitionStart')
self._acquiring = True
log.debug('started acquisition')
def set_defaults(self):
self._handle.PixelFormat = 'Mono12'
self.dtype = np.uint16
#self._handle.GainAuto = 'Off'
#self._handle.ExposureAuto = 'Off'
self._handle.AcquisitionMode = 'Continuous'
self._handle.Height = self._handle.HeightMax
self._handle.Width = self._handle.WidthMax
#self._handle.AcquisitionFrameRateAbs \
# = self._handle.getFeatureRange('AcquisitionFrameRateAbs')[1]
log.debug(self._handle.AcquisitionFrameRateAbs)
self._handle.SyncOutSelector = 'SyncOut1'
self._handle.SyncOutSource = 'Exposing'
self._handle.TriggerSource = 'FixedRate'
self._handle.ExposureTimeAbs = 10000
def fitprofiles(self):
"""Fit the horizontal and vertical profile, as well as the profiles along the long and short elliptical axis."""
xx = np.arange(0, self.roiimgwidth)
yy = np.arange(0, self.roiimgheight)
try:
fitres1 = opt.leastsq(
self._gaussfitdiff,
(self.roiimgheight / 10 * 100, self.roiimgheight / 2,
self.roiimgheight / 10, self.imageoffset * self.roiimgwidth),
args=(yy, self.hroiprof))
self._vfitparams = fitres1[0]
except:
log.debug("VFIT Error")
self._vfitparams = None
try:
fitres2 = opt.leastsq(
self._gaussfitdiff,
(self.roiimgwidth / 10 * 100, self.roiimgwidth / 2,
self.roiimgwidth / 10, self.imageoffset * self.roiimgheight),
args=(xx, self.vroiprof))
self._hfitparams = fitres2[0]
except:
log.debug("HFIT Error")
self._hfitparams = None
try:
fitres3 = opt.leastsq(
self._gaussfitdiff,
(self.roiimgheight / 10 * 100, self.roiimgheight / 2,
self.roiimgheight / 10, self.imageoffset * self.roiimgwidth),
args=(yy, self.longroiprof))
self._sfitparams = fitres3[0]
except:
log.debug("SFIT Error")
self._sfitparams = None
try:
fitres4 = opt.leastsq(
self._gaussfitdiff,
(self.roiimgwidth / 10 * 100, self.roiimgwidth / 2,
self.roiimgwidth / 10, self.imageoffset * self.roiimgheight),
args=(xx, self.shortroiprof))
self._lfitparams = fitres4[0]
except:
log.debug("LFIT Error")
self._lfitparams = None
def closeallcams(self):
"""Close all cams in self._connectedcamexp."""
for cam in self._connectedcamexp.values():
log.debug('Stopping the camera %s.' % cam.camstr())
cam.stopcam()
