MATLAB IMAGE ACQUISITION TOOLBOX - RELEASE NOTES Uživatelská příručka Strana 463

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propinfo
17-71
propinfo
Property characteristics for image acquisition objects
Syntax
out = propinfo(obj)
out = propinfo(obj,PropertyName)
Description
out = propinfo(obj) returns the structure out whose field names are the names of
all 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', 'callback', '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 cannot be configured.
'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,PropertyName) returns the structure out for the property
specified by PropertyName. If PropertyName is a cell array of strings, propinfo
returns a structure for each property, stored in a cell array.
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