def setParameter(self, name, value):
"""Set parameter. The value is automatically typecast to the correct data type corresponding to the type of parameter.
.. note:: Setting a parameter with this function does not automatically change the configuration in the camera. In order to apply all changes, :py:func:`sendConfiguration` has to be called.
:param str name: Name of the parameter exactly as stated in the PICam SDK manual.
:param mixed value: New parameter value. If the parameter value cannot be changed, a warning is printed to stdout.
"""
prm = pit.PicamParameter[name]
exists = pit.pibln()
self.lib.Picam_DoesParameterExist(self.cam, prm, ptr(exists))
if not exists:
print("Ignoring parameter", name)
print(" Parameter does not exist for current camera!")
return
access = pit.piint()
self.lib.Picam_GetParameterValueAccess(self.cam, prm, ptr(access))
if pit.PicamValueAccessLookup[access.value] not in [
"ReadWrite", "ReadWriteTrivial"
]:
print("Ignoring parameter", name)
print(" Not allowed to overwrite parameter!")
return
if pit.PicamValueAccessLookup[access.value] == "ReadWriteTrivial":
print("WARNING: Parameter", name, " allows only one value!")
# get type of parameter
type = pit.piint()
self.lib.Picam_GetParameterValueType(self.cam, prm, ptr(type))
if type.value not in pit.PicamValueTypeLookup:
print("Ignoring parameter", name)
print(" Not a valid parameter type:", type.value)
return
if pit.PicamValueTypeLookup[type.value] in [
"Integer", "Boolean", "Enumeration"
]:
val = pit.piint(value)
self.lib.Picam_SetParameterIntegerValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "LargeInteger":
val = pit.pi64s(value)
self.lib.Picam_SetParameterLargeIntegerValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "FloatingPoint":
val = pit.piflt(value)
self.lib.Picam_SetParameterFloatingPointValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "Rois":
self.lib.Picam_SetParameterRoisValue(self.cam, prm, ptr(value))
if pit.PicamValueTypeLookup[type.value] == "Pulse":
self.lib.Picam_SetParameterPulseValue(self.cam, prm, ptr(value))
if pit.PicamValueTypeLookup[type.value] == "Modulations":
self.lib.Picam_SetParameterModulationsValue(
self.cam, prm, ptr(value))
def StartAcquisition(self, N=1, timeout=10000):
self.available = pit.PicamAvailableData()
errors = pit.piint()
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
if running.value:
print("ERROR: acquisition still running")
return []
t = time.time()
self.lib.Picam_Acquire(self.cam, pit.pi64s(N), pit.piint(timeout),
ptr(self.available), ptr(errors))
print("Durée de l'acquisition : %f s" % (time.time() - t))
def sendConfiguration(self):
"""This function has to be called once all configurations are done to apply settings to the camera.
"""
failed = ptr(pit.piint())
failedCount = pit.piint()
self.lib.Picam_CommitParameters(self.cam, ptr(failed),
ptr(failedCount))
if failedCount.value > 0:
for i in range(failedCount.value):
print("Could not set parameter",
pit.PicamParameterLookup[failed[i]])
self.lib.Picam_DestroyParameters(failed)
def getAvailableCameras(self):
"""Queries a list of IDs of cameras that are connected to the computer and prints some sensor information for each camera to stdout.
If no physical camera is found, a demo camera is initialized - *for debug only*.
"""
if self.camIDs is not None and not isinstance(self.camIDs, list):
self.lib.Picam_DestroyCameraIDs(self.camIDs)
self.camIDs = None
# get connected cameras
self.camIDs = ptr(pit.PicamCameraID())
id_count = pit.piint()
self.lib.Picam_GetAvailableCameraIDs(ptr(self.camIDs), ptr(id_count))
# if none are found, create a demo camera
print("Available Cameras:")
if id_count.value < 1:
self.lib.Picam_DestroyCameraIDs(self.camIDs)
model_array = ptr(pit.piint())
model_count = pit.piint()
self.lib.Picam_GetAvailableDemoCameraModels(
ptr(model_array), ptr(model_count))
model_ID = pit.PicamCameraID()
serial = ctypes.c_char_p(b"Demo Cam 1")
self.lib.Picam_ConnectDemoCamera(model_array[67], serial,
ptr(model_ID))
self.camIDs = [model_ID]
self.lib.Picam_DestroyModels(model_array)
print(' Model is ', pit.PicamModelLookup[model_ID.model])
print(
' Computer interface is ',
pit.PicamComputerInterfaceLookup[model_ID.computer_interface])
print(' Sensor_name is ', model_ID.sensor_name)
print(' Serial number is', model_ID.serial_number)
print('\n')
else:
for i in range(id_count.value):
print(' Model is ',
pit.PicamModelLookup[self.camIDs[i].model])
print(
' Computer interface is ',
pit.PicamComputerInterfaceLookup[
self.camIDs[i].computer_interface])
print(' Sensor_name is ', self.camIDs[i].sensor_name)
print(' Serial number is', self.camIDs[i].serial_number)
print('\n')
def Acquisition(self, N=1, timeout=10000):
print('Acquire')
self.available = pit.PicamAvailableData()
errors = pit.piint()
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
#print('running value',running.value)
if running.value:
print("ERROR: acquisition still running")
return []
t = time.time()
self.lib.Picam_Acquire(self.cam, pit.pi64s(N), pit.piint(timeout),
ptr(self.available), ptr(errors))
#(cameraHandel,readoutcount,readouttimeout,outpoutParameter=avaible,outpouterrors)
# print(self.getParameter("ReadoutCount"))
print("Durée de l'acquisition : %f s" % (time.time() - t))
# print(errors)
return t
def getParameter(self, name):
prm = pit.PicamParameter[name]
exists = pit.pibln()
self.lib.Picam_DoesParameterExist(self.cam, prm, ptr(exists))
# get type of parameter
type = pit.piint()
self.lib.Picam_GetParameterValueType(self.cam, prm, ptr(type))
if pit.PicamValueTypeLookup[type.value] in [
"Integer", "Boolean", "Enumeration"
]:
val = pit.piint()
# test whether we can read the value directly from hardware
cr = pit.pibln()
self.lib.Picam_CanReadParameter(self.cam, prm, ptr(cr))
if cr.value:
if self.lib.Picam_ReadParameterIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
else:
if self.lib.Picam_GetParameterIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "LargeInteger":
val = pit.pi64s()
if self.lib.Picam_GetParameterLargeIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "FloatingPoint":
val = pit.piflt()
# NEW
# test whether we can read the value directly from hardware
cr = pit.pibln()
self.lib.Picam_CanReadParameter(self.cam, prm, ptr(cr))
if cr.value:
if self.lib.Picam_ReadParameterFloatingPointValue(
self.cam, prm, ptr(val)) == 0:
return val.value
else:
if self.lib.Picam_GetParameterFloatingPointValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "Rois":
val = ptr(pit.PicamRois())
if self.lib.Picam_GetParameterRoisValue(self.cam, prm,
ptr(val)) == 0:
self.roisPtr.append(val)
return val.contents
if pit.PicamValueTypeLookup[type.value] == "Pulse":
val = ptr(pit.PicamPulse())
if self.lib.Picam_GetParameterPulseValue(self.cam, prm,
ptr(val)) == 0:
self.pulsePtr.append(val)
return val.contents
if pit.PicamValueTypeLookup[type.value] == "Modulations":
val = ptr(pit.PicamModulations())
if self.lib.Picam_GetParameterModulationsValue(
self.cam, prm, ptr(val)) == 0:
self.modPtr.append(val)
return val.contents
return None
def printAvailableParameters(self):
"""Prints an overview over the parameters to stdout that are available for the current camera and their limits.
"""
parameter_array = ptr(pit.piint())
parameter_count = pit.piint()
self.lib.Picam_GetParameters(self.cam, ptr(parameter_array),
ptr(parameter_count))
for i in range(parameter_count.value):
# read / write access
access = pit.piint()
self.lib.Picam_GetParameterValueAccess(self.cam,
parameter_array[i],
ptr(access))
readable = pit.PicamValueAccessLookup[access.value]
# constraints
contype = pit.piint()
self.lib.Picam_GetParameterConstraintType(self.cam,
parameter_array[i],
ptr(contype))
if pit.PicamConstraintTypeLookup[contype.value] == "None":
constraint = "ALL"
elif pit.PicamConstraintTypeLookup[contype.value] == "Range":
c = ptr(pit.PicamRangeConstraint())
self.lib.Picam_GetParameterRangeConstraint(
self.cam, parameter_array[i],
pit.PicamConstraintCategory['Capable'], ptr(c))
constraint = "from %f to %f in steps of %f" % (
c[0].minimum, c[0].maximum, c[0].increment)
self.lib.Picam_DestroyRangeConstraints(c)
elif pit.PicamConstraintTypeLookup[contype.value] == "Collection":
c = ptr(pit.PicamCollectionConstraint())
self.lib.Picam_GetParameterCollectionConstraint(
self.cam, parameter_array[i],
pit.PicamConstraintCategory['Capable'], ptr(c))
constraint = ""
for j in range(c[0].values_count):
if constraint != "":
constraint += ", "
constraint += str(c[0].values_array[j])
self.lib.Picam_DestroyCollectionConstraints(c)
elif pit.PicamConstraintTypeLookup[contype.value] == "Rois":
constraint = "N.A."
elif pit.PicamConstraintTypeLookup[contype.value] == "Pulse":
constraint = "N.A."
elif pit.PicamConstraintTypeLookup[contype.value] == "Modulations":
constraint = "N.A."
# print(infos
print(pit.PicamParameterLookup[parameter_array[i]])
print(" value access:", readable)
print(" allowed values:", constraint)
print("\n")
self.lib.Picam_DestroyParameters(parameter_array)
def getAvailableCameras(self):
"""Queries a list of IDs of cameras that are connected to the computer and prints some sensor information for each camera to stdout.
If no physical camera is found, a demo camera is initialized - *for debug only*.
"""
if self.camIDs is not None and not isinstance(self.camIDs, list):
self.lib.Picam_DestroyCameraIDs(self.camIDs)
self.camIDs = None
# get connected cameras
self.camIDs = ptr(pit.PicamCameraID())
id_count = pit.piint()
self.lib.Picam_GetAvailableCameraIDs(ptr(self.camIDs), ptr(id_count))
# print('ids',self.camIDs,id_count)
print('number of camera connected : ', id_count.value)
modele = []
sensorName = []
serialNumber = []
# if none are found, create a demo camera
# print("Available Cameras:")
if id_count.value < 1:
print('demo')
msg = QMessageBox()
msg.setText("Camera not connected")
msg.setInformativeText(
"Please check connexions, or driver certificate (see unsigned Driver procedure)"
)
msg.setWindowTitle("Warning")
msg.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
msg.exec_()
self.lib.Picam_DestroyCameraIDs(self.camIDs)
connected = False
# model_array = ptr(pit.piint())
# model_count = pit.piint()
# self.lib.Picam_GetAvailableDemoCameraModels(ptr(model_array), ptr(model_count))
#
# model_ID = pit.PicamCameraID()
# serial = ctypes.c_char_p(b"Demo Cam 1")
# self.lib.Picam_ConnectDemoCamera(model_array[67], serial, ptr(model_ID))
# self.camIDs = [model_ID]
#
# self.lib.Picam_DestroyModels(model_array)
#
# print(' Model is ', pit.PicamModelLookup[model_ID.model])
# print(' Computer interface is ', pit.PicamComputerInterfaceLookup[model_ID.computer_interface])
# print(' Sensor_name is ', model_ID.sensor_name)
# print(' Serial number is', model_ID.serial_number)
# print('\n')
#
else:
connected = True
# print ('mte')
for i in range(
id_count.value): # à supprimer si la camera est une MTE
# print(' Model is ', pit.PicamModelLookup[self.camIDs[i].model])
try:
modele.append(pit.PicamModelLookup[self.camIDs[i].model])
except:
pass
# print(' Computer interface is ', pit.PicamComputerInterfaceLookup[self.camIDs[i].computer_interface])
# print(' Sensor_name is ', self.camIDs[i].sensor_name)
# print(' Serial number is', self.camIDs[i].serial_number)
# print('\n')
try:
sensorName.append(self.camIDs[i].sensor_name)
except:
pass
try:
serialNumber.append(self.camIDs[i].serial_number)
except:
pass
return (modele, sensorName, serialNumber, connected)
def WaitForAcquistionUpdate(self, timeout=10000):
self.available = pit.PicamAvailableData()
status = ptr(pit.PicamAcquisitionStatus())
self.lib.Picam_Acquire(self.cam, pit.piint(timeout),
ptr(self.available), ptr(status))