Skip to main content

QueryBackend

Minimal interface required by the framework-neutral convenience queries.

Properties​

dimensionValues​

dimensionValues: DimensionValues;

queryIndexOffsets?​

readonly optional queryIndexOffsets: Record<string, number>;

Global index represented by local coordinate index zero, for subset-backed providers.

selectors​

selectors: ZarrSelectors;

Methods​

queryData()​

queryData(
   geometry, 
   selectors?, 
options?): Promise<QueryResult>;

Parameters​

ParameterType
geometryQueryPointGeometry
selectors?ZarrSelectors
options?QueryOptions

Returns​

Promise<QueryResult>

queryPoints()?​

optional queryPoints(
   positions, 
   selectors?, 
options?): Promise<QueryResult[]>;

Optional chunk-aware batch lookup used by transects.

Parameters​

ParameterType
positionsQueryPosition[]
selectors?ZarrSelectors
options?TransectQueryOptions

Returns​

Promise<QueryResult[]>