User`s guide
propinfo
Purpose Property characteristics for image acquisition objects
Syntax out = propinfo(obj)
out = propinfo(obj,P ropertyName)
Description out = propinfo(obj) returns the structure out whose field names
are the names of a ll the properties supported by
obj. obj must be a
1-by-1 image acquisition object. The value of each field is a structure
containing the fields shown below.
Field Name Description
Type
Data type of the property. Possible values are
'any', 'callback ', 'double', 'string' ,and
'struct'.
Constraint
Type of constraint on the property value. Possible
values are
'bounded', 'call back', 'enum',and
'none'.
ConstraintValue
List of valid string values or a range of valid
values.
DefaultValue
Default value for the property.
ReadOnly
Condition under which a property is read only:
•
'always' — Property cannotbeconfigured.
•
'whileRunning' — Property cannot be
configured while
Running is set to on.
•
'never' — Property can be configured at any
time.
DeviceSpecific
1
if the property is device specific; otherwise, 0
(zero).
out = propinfo(obj,P ropertyName) returns the structure out for
the property specified by
PropertyName.IfProper tyNa me is a cell
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