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Class: TablePointsData

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:7

Implements​

  • PointsData

Constructors​

Constructor​

new TablePointsData(tableData, xColumn, yColumn): TablePointsData

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:12

Parameters​

tableData​

TableData

xColumn​

string

yColumn​

string

Returns​

TablePointsData

Methods​

close()​

close(): void

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:55

Releases all resources held by this data object

Returns​

void

Implementation of​

PointsData.close

getIds()​

getIds(): number[]

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:18

Returns an array of item IDs

Returns​

number[]

Implementation of​

PointsData.getIds

getNames()​

getNames(): string[] | undefined

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:26

Returns the item names if available, otherwise undefined

Returns​

string[] | undefined

Implementation of​

PointsData.getNames

getSize()​

getSize(): number

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:22

Returns the total number of items

Returns​

number

Implementation of​

PointsData.getSize

loadCoordinates()​

loadCoordinates(options?): Promise<[Float32Array<ArrayBufferLike>, Float32Array<ArrayBufferLike>]>

Defined in: @tissuumaps-storage/src/table/TablePointsData.ts:30

Loads the coordinates for all points

Parameters​

options?​

Optional abort signal and progress callback

onProgress?​

ProgressCallback

signal?​

AbortSignal

Returns​

Promise<[Float32Array<ArrayBufferLike>, Float32Array<ArrayBufferLike>]>

The x and y coordinates as separate arrays, in index order

Implementation of​

PointsData.loadCoordinates