ChannelEncode<EV> class abstract

The specification of a channel aesthetic encode.

It encodes a single variable to a value. The encoding will be lerping for continous variable scale, and lookup table for discrete scale.

Inheritance

• Object
• Encode<EV>
• ChannelEncode

Implementers

• ColorEncode
• GradientEncode
• ShapeEncode
• SizeEncode

Constructors

ChannelEncode({String? variable, List<EV>? values, List<double>? stops, EV? value, EV encoder(Tuple)?, Map<String, Map<bool, SelectionUpdater<EV>>>? updaters})

Creates a channel aesthetic encode.

Properties

encoder ↔ (EV Function(Tuple)?)

Indicates how to get encode value from a tuple directly.

read / write, inherited

hashCode → int

The hash code for this object.

read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

stops ↔ List<double>?

Stops corresponding to values.

read / write

updaters ↔ Map<String, Map<bool, SelectionUpdater<EV>>>?

Encode updaters when a selection occurs.

read / write, inherited

value ↔ EV?

Indicates a encode value for all tuples directly.

read / write, inherited

values ↔ List<EV>?

Target encode values.

read / write

variable ↔ String?

The variable this encode encodes from.

read / write

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.

override