OverlayCategory class Maps & 3D Scenes
Represents a single category within an overlay.
A category is a node in an overlay's hierarchical classification. It contains a display label, an icon, a stable identifier and a reference to its parent overlay. Categories may contain nested subcategories which form the overlay's hierarchy.
See also:
- OverlayInfo: Parent overlay information that exposes categories for a dataset.
- Implementers
Constructors
-
OverlayCategory({required String name, required int overlayuid, required List<
OverlayCategory> subcategories, required int uid, required Img img}) - Create a new OverlayCategory instance.
-
OverlayCategory.fromJson(Map<
String, dynamic> json) -
Deserializes a JSON-compatible map to create an instance.
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasSubcategories → bool
-
True when this category contains one or more subcategories.
no setter
- image → Uint8List?
-
The category icon as raw bytes suitable for rendering.
no setter
- img ↔ Img
-
The category icon as an Img wrapper.
getter/setter pair
- name ↔ String
-
The category display name.
getter/setter pair
- overlayuid ↔ int
-
The parent OverlayInfo UID.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
subcategories
↔ List<
OverlayCategory> -
Nested subcategories of this category.
getter/setter pair
- uid ↔ int
-
Stable OverlayCategory identifier.
getter/setter pair
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited