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removeAttribute

Remove attribute from label or sublabel in label definition creator object for multisignal workflow

Since R2020a

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Syntax

removeAttribute(ldc,labelName,attributeName)

Description

removeAttribute(ldc,labelName,attributeName) removes the specified attribute from the indicated label or sublabel in the labelDefinitionCreatorMultisignal object ldc.

example

Examples

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Open Live Script

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

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Label definition creator for the multisignal workflow, specified as a labelDefinitionCreatorMultisignal object.

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')

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

See Also

Objects

Functions