def print_device_info(nodemap):
"""
This function prints the device information of the camera from the transport
layer; please see NodeMapInfo example for more in-depth comments on printing
device information from the nodemap.
:param nodemap: Transport layer device nodemap.
:type nodemap: INodeMap
:returns: True if successful, False otherwise.
:rtype: bool
"""
print('*** DEVICE INFORMATION ***\n')
try:
result = True
node_device_information = PySpin.CCategoryPtr(nodemap.GetNode('DeviceInformation'))
if PySpin.IsAvailable(node_device_information) and PySpin.IsReadable(node_device_information):
features = node_device_information.GetFeatures()
for feature in features:
node_feature = PySpin.CValuePtr(feature)
print('%s: %s' % (node_feature.GetName(),
node_feature.ToString() if PySpin.IsReadable(node_feature) else 'Node not readable'))
else:
print('Device control information not available.')
except PySpin.SpinnakerException as ex:
print('Error: %s' % ex)
return False
return result
def print_value_node(node, level):
"""
Retrieves and prints the display name and value of all node types as value nodes.
A value node is a general node type that allows for the reading and writing of any node type as a string.
:param node: Node to get information from.
:type node: INode
:param level: Depth to indent output.
:type level: int
:return: True if successful, False otherwise.
:rtype: bool
"""
try:
result = True
# Create value node
node_value = PySpin.CValuePtr(node)
# Retrieve display name
#
# *** NOTES ***
# A node's 'display name' is generally more appropriate for output and
# user interaction whereas its 'name' is what the camera understands.
# Generally, its name is the same as its display name but without
# spaces - for instance, the name of the node that houses a camera's
# serial number is 'DeviceSerialNumber' while its display name is
# 'Device Serial Number'.
display_name = node_value.GetDisplayName()
# Retrieve value of any node type as string
#
# *** NOTES ***
# Because value nodes return any node type as a string, it can be much
# easier to deal with nodes as value nodes rather than their actual
# individual types.
value = node_value.ToString()
# Cap length at MAX_CHARS
value = value[:MAX_CHARS] + '...' if len(value) > MAX_CHARS else value
# Print value
print_with_indent(level, "%s: %s" % (display_name, value))
except PySpin.SpinnakerException as ex:
print "Error: %s" % ex
return False
return result