def Setup_Camera(verbose, fakeCam=False):
'''
Instantiates a camera and returns it, along with the corresponding "dev". This
gives access to "deeper" camera functions, such as the device temperature.
If fakeCam = True, it returns the fake camera object, a software equivalent,
with (presumably realistic) noise, etc.
'''
Aravis.update_device_list() # Scan for live cameras
if fakeCam:
Aravis.enable_interface("Fake") # using arv-fake-gv-camera-0.8
cam = Aravis.Camera.new(None) # Instantiate cam
if verbose:
print("Instantiated FakeCam")
else: # Note: We expect only one "real" camera !!
try:
cam = Aravis.Camera.new(Aravis.get_device_id(0)) # Instantiate cam
if verbose:
print("Instantiated real camera")
except:
print("ERROR - No camera found") # Ooops!!
return None, None, None # Send back nothing
dev = cam.get_device() # Allows access to "deeper" features
return cam, dev # Send back camera, device
def list_available_cameras(self):
""" Gather serial numbers of online Aravis/Genicam devices.
:return: a list of serial numbers (as strings). This list may be
empty if no cameras are online/switched on.
For cameras explicitly addressed by IP, the serial
numbers have the format sn@ip, with an @ between number and address.
:rtype: list
.. todo:: optionally implement a specific filter for Blackfly's if Basler
cameras should not be listed.
"""
# Start with (pessimistic) initially empty set of online devices
serialNums = []
addrs = []
# Broadcast ethernet/bus for recognized cameras.
# Warning/todo: this gathers also cameras that are not of the Blackfly class,
# and in conjunction with the SDSS may also recognize the Basler cameras..
Aravis.update_device_list()
Ndev = Aravis.get_n_devices()
# print(str(Ndev) + " cameras online")
# get_device_id returns a string of type, SN, MAC etc
for i in range(Ndev):
cam = Aravis.Camera.new(Aravis.get_device_id(i))
uid = cam.get_string("DeviceSerialNumber")
serialNums.append(uid)
addrs.append('')
# Try to ping cameras explicitly proposed with ctor.
for ip in self.ips_nonlocal:
try:
cam = Aravis.Camera.new(ip)
uid = cam.get_string("DeviceSerialNumber")
# If is this was already in the scan: discard, else add
if uid not in serialNums:
serialNums.append(uid)
addrs.append('@' + ip)
except:
# apparently no such camera at this address....
pass
# we zip the two lists to the format 'serialnumber{@ip}'
ids = []
for cam in range(len(serialNums)):
ids.append(serialNums[cam] + addrs[cam])
return ids
def get_device_ids():
Aravis.update_device_list()
n = Aravis.get_n_devices()
return [Aravis.get_device_id(i) for i in range(0, n)]
print("Gain Conv. : ",cam.get_string('GainConversion'))
print("Gain Setting : ",cam.get_gain())
print("Exposure time : %s seconds " %(cam.get_exposure_time()/1.0E6))
print("")
fakeCam = False # Whether to use the Aravis "fake" camera (software) instead of the FLIR
verbose = True # How wordy to be
print ("-----")
gi.require_version('Aravis', '0.8')
from gi.repository import Aravis
Aravis.update_device_list()
if fakeCam:
Aravis.enable_interface("Fake") # using arv-fake-gv-camera-0.8
cam = Aravis.Camera.new(None) # Instantiate cam
print ("Instantiated cam with arv-fake-gv-camera-0.8")
else: # Note: We expect only one "real"camera
try:
cam = Aravis.Camera.new(Aravis.get_device_id(0)) # Instantiate cam
print ("Instantiated cam with FLIR")
except:
print("No camera found")
exit()
def get_device_ids():
Aravis.update_device_list()
n = Aravis.get_n_devices()
return [Aravis.get_device_id(i) for i in range(0, n)]
def arg_restrictions():
Aravis.update_device_list()
n_cams = Aravis.get_n_devices()
ids = [Aravis.get_device_id(i) for i in range(n_cams)]
return {"id": ids}
def getcameraids():
Aravis.update_device_list()
n_cams = Aravis.get_n_devices()
print("%d cameras found" % n_cams)
ids = []
for i in range(n_cams):
dev_id = Aravis.get_device_id(i)
print("Found: %s" % dev_id)
ids.append(dev_id)
return ids
