def getSubDevice(filter):
exportedDevices = dict()
db = Database()
eDevices = db.get_device_exported(filter).value_string
for eDevice in eDevices:
sd = db.get_device_property(eDevice, "__SubDevices")["__SubDevices"]
for s in sd:
exportedDevices[s] = eDevice
return exportedDevices
def __init__(self, connector=None, uri=None):
Camera.__init__(self)
self.uri = uri
attributes = [ \
{"attr": "ExposureAuto", "name": "exposure_time_auto"},
{"attr": "ExposureAutoMin", "name": "exposure_time_min"},
{"attr": "ExposureAutoMax", "name": "exposure_time_max"},
{"attr": "ExposureTimeAbs", "name": "exposure_time"},
{"attr": "GainAuto", "name": "gain_auto"},
{"attr": "GainAutoMin", "name": "gain_min"},
{"attr": "GainAutoMax", "name": "gain_max"},
{"attr": "Gain", "name": "gain"},
{"attr": "TriggerSource", "name": "trigger_source"},
{"attr": "AcquisitionFrameRateAbs", "name": "frame_rate"},
{"attr": "Width"},
{"attr": "Height"},
{"attr": "OffsetX", "name": "offset_x"},
{"attr": "OffsetY", "name": "offset_y"},
{"attr": "WidthMax", "name": "width_max"},
{"attr": "HeightMax", "name": "height_max"},
{"attr": "Image8", "name": "image_8"},
]
if connector == "simulation":
attributes.append({"attr": "Image8", "name": "image_8"})
self.connector = VimbaCameraSimulationConnector(uri, attributes)
self.connector.write("width", 640)
self.connector.write("height", 480)
self.connector.write("width_max", 640)
self.connector.write("height_max", 480)
self.connector.image_changed.connect(self.on_image_changed)
elif connector == "tango":
#determine gain attribute name
if -1 < uri.find(":") < uri.find("/"):
host, port = uri.partition("/")[0].split(":")
db = Database(host, port)
gain_prop = db.get_device_property(
uri.partition("/")[2], "GainFeatureName")
else:
db = Database()
gain_prop = db.get_device_property(uri, "GainFeatureName")
if len(gain_prop["GainFeatureName"]) > 0:
gain_attr = gain_prop["GainFeatureName"][0]
for attr in attributes:
if "name" in attr and attr["name"] == "gain":
attr["attr"] = gain_attr
#setup connector
self.connector = TangoConnector(uri, attributes)
#start acquisition in right viewing mode and connect changed signal
try:
self.connector.proxy.write_attribute("ViewingMode", 1)
if self.state(refresh=True) != State.RUNNING:
self.connector.proxy.command_inout("StartAcquisition")
sleep(0.2)
self.connector.proxy.subscribe_event("image_8", \
EventType.DATA_READY_EVENT, \
self.on_image_changed, [], False)
except:
self.janus.utils["logger"].error(
"VimbaCamera(" + self.uri + ").__init__() " +
"failed to set viewing mode")
self.janus.utils["logger"].debug("", exc_info=True)
self.connector.write("trigger_source", "FixedRate")
self.connector.write("frame_rate", 10.)
self.connector.value_changed.connect(self.value_changed.emit)
self.buffer = None