removeAttribute
Remove attribute from label or sublabel in label definition creator object for multisignal workflow
Since R2020a
Description
removeAttribute(
removes the specified attribute from the indicated label or sublabel in the ldc
,labelName
,attributeName
)labelDefinitionCreatorMultisignal
object ldc
.
Examples
Remove Attributes from Label and Sublabel in Label Definition Creator Object for Multisignal Workflow
Create an empty labelDefinitionCreatorMultisignal
object.
ldc = labelDefinitionCreatorMultisignal;
Add a label with the name 'TrafficLight'
. Specify the type of label as 'Rectangle'
. Adding a 'Rectangle'
also adds a 'Cuboid'
entry to the label definitions table.
addLabel(ldc,'TrafficLight','Rectangle')
Add attribute 'Active'
to the label. Specify the attribute type as 'Logical'
with the value true
.
addAttribute(ldc,'TrafficLight','Active','Logical',true)
Display information about the attributes under the label 'TrafficLight'
using the object function info
.
info(ldc,'TrafficLight')
Name: "TrafficLight" SignalType: Image LabelType: Rectangle Group: "None" LabelColor: {''} Attributes: "Active" Sublabels: [] Description: ' ' Name: "TrafficLight" SignalType: PointCloud LabelType: Cuboid Group: "None" LabelColor: {''} Attributes: "Active" Sublabels: [] Description: ' '
Remove the attribute 'Active'
from the label 'TrafficLight'
.
removeAttribute(ldc,'TrafficLight','Active')
Add a sublabel called 'RedLight'
to the label 'TrafficLight'
. Specify the type of the sublabel as 'Rectangle'
.
addSublabel(ldc,'TrafficLight','RedLight','Rectangle')
Add an attribute 'isOn'
to the sublabel 'RedLight'
. Specify the type for the attribute 'isOn'
as 'Logical'
with the value false
.
addAttribute(ldc,'TrafficLight/RedLight','isOn','Logical',false)
Display information about the attributes under the sublabel 'RedLight'
in the label 'TrafficLight'
using the object function info
.
info(ldc,'TrafficLight/RedLight')
Name: "RedLight" Type: Rectangle LabelColor: '' Attributes: "isOn" Sublabels: [] Description: ' '
Remove the attribute 'isOn'
from the sublabel 'RedLight'
.
removeAttribute(ldc,'TrafficLight/RedLight','isOn')
Display information about the label 'TrafficLight'
using the object function info
, to confirm that the attribute 'Active'
has been removed from the label definitions.
info(ldc,'TrafficLight')
Name: "TrafficLight" SignalType: Image LabelType: Rectangle Group: "None" LabelColor: {''} Attributes: [] Sublabels: "RedLight" Description: ' ' Name: "TrafficLight" SignalType: PointCloud LabelType: Cuboid Group: "None" LabelColor: {''} Attributes: [] Sublabels: "RedLight" Description: ' '
Display information about the sublabel 'RedLight'
in the label 'TrafficLight'
using the object function info
, to confirm that the attribute 'isOn'
has been removed from the label definitions.
info(ldc,'TrafficLight/RedLight')
Name: "RedLight" Type: Rectangle LabelColor: '' Attributes: [] Sublabels: [] Description: ' '
Input Arguments
ldc
— Label definition creator for multisignal workflow
labelDefinitionCreatorMultisignal
object
Label definition creator for the multisignal workflow, specified as a labelDefinitionCreatorMultisignal
object.
labelName
— Label or sublabel name
character vector | string scalar
Label or sublabel name, specified as a character vector or string scalar that uniquely identifies the label or sublabel from which the attribute is to be removed.
To specify a label, use the form 'labelName'.
Example: removeAttribute(ldc,'TrafficLight','Active')
To specify a sublabel, use the form 'labelName/sublabelName'. In this case, the attribute associates with the sublabel.
Example: removeAttribute(ldc,'TrafficLight/RedLight','isOn')
attributeName
— Attribute name
character vector | string scalar
Attribute name, specified as a character vector or string scalar that identifies the
attribute to be removed from the label or sublabel indicated by
labelName
.
Version History
Introduced in R2020a
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