Singleton cache instance for managing tile loading and caching across layers. Provides efficient tile retrieval and memory management with configurable capacity and request rate limiting.
- Source:
Properties:
| Name | Type | Description |
|---|---|---|
capacity |
number | Total cache capacity in bytes (default: 512MB) |
size |
number | Current amount of GPU RAM used |
maxRequest |
number | Maximum concurrent HTTP requests (default: 6) |
requested |
number | Current number of active requests |
maxRequestsRate |
number | Maximum requests per second (0 for unlimited) |
maxPrefetch |
number | Maximum size of prefetched tiles in bytes |
prefetched |
number | Current amount of prefetched GPU RAM |
layers |
Array.<Layer> | Array of layers being managed by the cache |