Class T3DSparseIntegerArray

Unit

SparseDataSets

Declaration

type T3DSparseIntegerArray = class(T3DSparsePointerArray)

Description

T3DSparseIntegerArray acts like a 3D array of integers. It provides constant time access to its elements through the its Items property. However, when many of the elements are unassigned, it can use much less memory than an array.

Hierarchy

• TObject
• T3DSparsePointerArray
• T3DSparseIntegerArray

Overview

Fields

	FCount: NativeInt;
	FValues: array of NativeInt;

Methods

	function GetItems(const Layer, Row, Col: NativeInt): NativeInt;
	procedure SetItems(const Layer, Row, Col: NativeInt; const Value: NativeInt);
	procedure Clear; override;
	constructor Create(Quantum: TSPAQuantum);

Properties

property Items[constLayer,Row,Col:NativeInt]: NativeInt read GetItems write SetItems;

Description

Fields

	FCount: NativeInt;
FCount is the number of integers stored in T3DSparseIntegerArray.

	FValues: array of NativeInt;
FValues is an array of integers stored in T3DSparseIntegerArray

Methods

	function GetItems(const Layer, Row, Col: NativeInt): NativeInt;
See Items.

	procedure SetItems(const Layer, Row, Col: NativeInt; const Value: NativeInt);
See Items.

	procedure Clear; override;
Clear removes all the members of T3DSparseIntegerArray.

	constructor Create(Quantum: TSPAQuantum);
Create creates an instance of T3DSparseIntegerArray.

Properties

	property Items[constLayer,Row,Col:NativeInt]: NativeInt read GetItems write SetItems;
Items provides access to the NativeInt stored at location Layer, Row, Col. Before reading Items, read IsValue to be sure that a number is stored at Layer, Row, Col.