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@allmaps/stdlib

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@allmaps/stdlib

Allmaps Standard Library

License

MIT

API

new ResourceFetchError(kind, input, options)
Parameters
  • kind ('http' | 'network-or-cors')
  • input (URL | RequestInfo)
  • options (ResourceFetchErrorOptions | undefined)
Returns

ResourceFetchError.

Extends
  • Error
ResourceFetchError#cause?
Type
unknown
ResourceFetchError#corsLikely
Type
boolean
ResourceFetchError#input
Type
URL | RequestInfo
ResourceFetchError#kind
Type
'http' | 'network-or-cors'
ResourceFetchError#status?
Type
number
ResourceFetchError#statusText?
Type
string
ResourceFetchError#url
Type
string
ResourceFetchErrorKind
Type
'http' | 'network-or-cors'
angle(line)
Parameters
  • line ([Point, Point])
Returns

number.

angularMean(angles)
Parameters
  • angles (number)
Returns

number.

arrayContains(array, object, isEqualObject)
Parameters
  • array (Array<T>)
  • object (T)
  • isEqualObject (((t0: T, t1: T) => boolean) | undefined)
Returns

{item: T; index: number} | undefined.

arrayDifference(array0, array1, isEqualObject)
Parameters
  • array0 (Array<T>)
  • array1 (Array<T>)
  • isEqualObject (((t0: T, t1: T) => boolean) | undefined)
Returns

Array<T>.

arrayMatrixSize(arrayMatrix)
Parameters
  • arrayMatrix (Array<Array<T>>)
Returns

[number, number].

arrayRepeated(array, isEqualObject)
Parameters
  • array (Array<T>)
  • isEqualObject (((t0: T, t1: T) => boolean) | undefined)
Returns

Array<{item: T; index: number}>.

arrayUnique(array, isEqualObject)
Parameters
  • array (Array<T>)
  • isEqualObject (((t0: T, t1: T) => boolean) | undefined)
Returns

Array<T>.

bboxToCenter(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

[number, number].

bboxToDiameter(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

number.

bboxToLine(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

[Point, Point].

bboxToPolygon(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

Array<Array<Point>>.

bboxToRectangle(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

[Point, Point, Point, Point].

bboxToResolution(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

number.

bboxToSize(bbox)
Parameters
  • bbox ([number, number, number, number])
Returns

[number, number].

bboxesToScale(bbox0, bbox1, fit)
Parameters
  • bbox0 ([number, number, number, number])
  • bbox1 ([number, number, number, number])
  • fit? (Fit | undefined)
Returns

number.

bufferBbox(bbox, dist0, dist1)
Parameters
  • bbox ([number, number, number, number])
  • dist0 (number)
  • dist1? (number | undefined)
Returns

[number, number, number, number].

bufferBboxByRatio(bbox, ratio)
Parameters
  • bbox ([number, number, number, number])
  • ratio? (number | undefined)
Returns

[number, number, number, number].

camelCaseToWords(string)
Parameters
  • string (string)
Returns

string.

clipPoint(point, min, max)
Parameters
  • point ([number, number])
  • min ([number, number])
  • max ([number, number])
Returns

[number, number].

clipPointLngLatProjection(point)
Parameters
  • point ([number, number])
Returns

[number, number].

clipPointWebMercatorProjection(point)
Parameters
  • point ([number, number])
Returns

[number, number].

clipValue(value, min, max)
Parameters
  • value (number)
  • min (number)
  • max (number)
Returns

number.

closeMultiPolygon(multiPolygon)
Parameters
  • multiPolygon (Array<Array<Array<Point>>>)
Returns

Array<Array<Array<Point>>>.

closePolygon(polygon)
Parameters
  • polygon (Array<Array<Point>>)
Returns

Array<Array<Point>>.

closeRing(ring)
Parameters
  • ring (Array<Point>)
Returns

Array<Point>.

combineBboxes(bboxes)
Parameters
  • bboxes ([number, number, number, number])
Returns

Bbox | undefined.

computeBbox(geometry)
Parameters
  • geometry (GeojsonGeometry | Geometry)
Returns

[number, number, number, number].

computeMinMax(values)
Parameters
  • values (Array<number>)
Returns

[number, number].

computeRotatedBboxProperties(geometry, angle)
Parameters
  • geometry (GeojsonGeometry | Geometry)
  • angle (number)
Returns

{ center: Point size: Size bbox: Bbox rectangle: Rectangle rotatedRectangle: Rectangle }.

conformLineString(lineString)
Parameters
  • lineString (Array<Point>)
Returns

Array<Point>.

conformMultiLineString(multiLineString)
Parameters
  • multiLineString (Array<Array<Point>>)
Returns

Array<Array<Point>>.

conformMultiPolygon(multiPolygon)
Parameters
  • multiPolygon (Array<Array<Array<Point>>>)
Returns

Array<Array<Array<Point>>>.

conformPolygon(polygon)
Parameters
  • polygon (Array<Array<Point>>)
Returns

Array<Array<Point>>.

conformRing(ring)
Parameters
  • ring (Array<Point>)
Returns

Array<Point>.

contractGeojsonGeometriesToGeojsonMultiGeometry(geojsonGeometries)
Parameters
  • geojsonGeometries (Array<GeojsonLineString | GeojsonPoint | GeojsonPolygon>)
Returns

GeojsonMultiLineString | GeojsonMultiPoint | GeojsonMultiPolygon.

contractGeojsonLineStringsToGeojsonMultiLineString(geojsonLineStrings)
Parameters
  • geojsonLineStrings (Array<GeojsonLineString>)
Returns

{type: 'MultiLineString'; coordinates: number[][][]}.

contractGeojsonPointsToGeojsonMultiPoint(geojsonPoints)
Parameters
  • geojsonPoints (Array<GeojsonPoint>)
Returns

{type: 'MultiPoint'; coordinates: number[][]}.

contractGeojsonPolygonsToGeojsonMultiPolygon(geojsonPolygons)
Parameters
  • geojsonPolygons (Array<GeojsonPolygon>)
Returns

{type: 'MultiPolygon'; coordinates: number[][][][]}.

convexHull(points)
Parameters
  • points (Array<Point>)
Returns

Ring | undefined.

degreesToRadians(degrees)
Parameters
  • degrees (number)
Returns

number.

distance(from, to)
Parameters
  • from ([number, number])
  • to ([number, number])
Returns

number.

doBboxesIntersect(bbox0, bbox1)
Parameters
  • bbox0 ([number, number, number, number])
  • bbox1 ([number, number, number, number])
Returns

boolean.

equalSet(set1, set2)
Parameters
  • set1 (Set<T> | null)
  • set2 (Set<T> | null)
Returns

boolean.

expandGeojsonMultiGeometryToGeojsonGeometries(geojsonMultiGeometry)
Parameters
  • geojsonMultiGeometry (GeojsonMultiLineString | GeojsonMultiPoint | GeojsonMultiPolygon)
Returns

Array<GeojsonLineString> | Array<GeojsonPoint> | Array<GeojsonPolygon>.

expandGeojsonMultiLineStringToGeojsonLineStrings(geojsonMultiLineString)
Parameters
  • geojsonMultiLineString ({type: 'MultiLineString'; coordinates: number[][][]})
Returns

Array<GeojsonLineString>.

expandGeojsonMultiPointToGeojsonPoints(geojsonMultiPoint)
Parameters
  • geojsonMultiPoint ({type: 'MultiPoint'; coordinates: number[][]})
Returns

Array<GeojsonPoint>.

expandGeojsonMultiPolygonToGeojsonPolygons(geojsonMultiPolygon)
Parameters
  • geojsonMultiPolygon ({type: 'MultiPolygon'; coordinates: number[][][][]})
Returns

Array<GeojsonPolygon>.

fetchAnnotationsFromApi(restBaseUrl, parsedIiif, fetch)
Parameters
  • restBaseUrl (string)
  • parsedIiif (Collection | Image | Manifest)
  • fetch? ( | ((input: RequestInfo | URL, init?: RequestInit) => Promise<Response>) | undefined)
Returns

Promise<any>.

fetchImageBitmap(input, init, fetchFn)
Parameters
  • input (URL | RequestInfo)
  • init? (RequestInit | undefined)
  • fetchFn? (FetchFn | undefined)
Returns

Promise<ImageBitmap>.

fetchImageInfo(imageUri, init, fetchFn)
Parameters
  • imageUri (string)
  • init? (RequestInit | undefined)
  • fetchFn? (FetchFn | undefined)
Returns

Promise<unknown>.

fetchJson(input, init, fetchFn)
Parameters
  • input (URL | RequestInfo)
  • init? (RequestInit | undefined)
  • fetchFn? (FetchFn | undefined)
Returns

Promise<unknown>.

fetchUrl(input, init, fetchFn)
Parameters
  • input (URL | RequestInfo)
  • init? (RequestInit | undefined)
  • fetchFn? (FetchFn | undefined)
Returns

Promise<Response>.

flipX(point)
Parameters
  • point ([number, number])
Returns

[number, number].

flipY(point)
Parameters
  • point ([number, number])
Returns

[number, number].

geojsonFeatureCollectionToGeojsonGeometries(geojsonFeatureCollection)
Parameters
  • geojsonFeatureCollection ({type: 'FeatureCollection'; features: GeojsonFeature[]})
Returns

Array<GeojsonGeometry>.

geojsonFeatureToGeojsonGeometry(geojsonFeature)
Parameters
  • geojsonFeature ({type: 'Feature'; properties: unknown; geometry: GeojsonGeometry})
Returns

| GeojsonLineString | GeojsonMultiLineString | GeojsonMultiPoint | GeojsonMultiPolygon | GeojsonPoint | GeojsonPolygon.

geojsonFeaturesToGeojsonFeatureCollection(geojsonFeatures)
Parameters
  • geojsonFeatures (Array<GeojsonFeature> | GeojsonFeature)
Returns

{type: 'FeatureCollection'; features: GeojsonFeature[]}.

geojsonGeometriesToGeojsonFeatureCollection(geojsonGeometries, properties)
Parameters
  • geojsonGeometries (Array<GeojsonGeometry>)
  • properties? (Array<unknown> | undefined)
Returns

{type: 'FeatureCollection'; features: GeojsonFeature[]}.

geojsonGeometryToGeojsonFeature(geojsonGeometry, properties)
Parameters
  • geojsonGeometry ( | GeojsonLineString | GeojsonMultiLineString | GeojsonMultiPoint | GeojsonMultiPolygon | GeojsonPoint | GeojsonPolygon)
  • properties? (unknown)
Returns

{type: 'Feature'; properties: unknown; geometry: GeojsonGeometry}.

geojsonGeometryToGeometry(geojsonPoint)
Parameters
  • geojsonPoint ({type: 'Point'; coordinates: number[]})
Returns

[number, number].

geojsonGeometryToSvgGeometry(geojsonGeometry)
Parameters
  • geojsonGeometry ( | GeojsonLineString | GeojsonMultiLineString | GeojsonMultiPoint | GeojsonMultiPolygon | GeojsonPoint | GeojsonPolygon)
Returns

SvgCircle | SvgLine | SvgPolyLine | SvgPolygon | SvgRect.

geojsonLineStringToLineString(geojsonLineString)
Parameters
  • geojsonLineString ({type: 'LineString'; coordinates: number[][]})
Returns

Array<Point>.

geojsonMultiLineStringToMultiLineString(geojsonMultiLineString)
Parameters
  • geojsonMultiLineString ({type: 'MultiLineString'; coordinates: number[][][]})
Returns

Array<Array<Point>>.

geojsonMultiPointToMultiPoint(geojsonMultiPoint)
Parameters
  • geojsonMultiPoint ({type: 'MultiPoint'; coordinates: number[][]})
Returns

Array<Point>.

geojsonMultiPolygonToMultiPolygon(geojsonMultiPolygon, close)
Parameters
  • geojsonMultiPolygon ({type: 'MultiPolygon'; coordinates: number[][][][]})
  • close (boolean | undefined)
Returns

Array<Array<Array<Point>>>.

geojsonPointToPoint(geojsonPoint)
Parameters
  • geojsonPoint ({type: 'Point'; coordinates: number[]})
Returns

[number, number].

geojsonPolygonToPolygon(geojsonPolygon, close)
Parameters
  • geojsonPolygon ({type: 'Polygon'; coordinates: number[][][]})
  • close (boolean | undefined)
Returns

Array<Array<Point>>.

geojsonPolygonToRing(geojsonPolygon, close)
Parameters
  • geojsonPolygon ({type: 'Polygon'; coordinates: number[][][]})
  • close (boolean | undefined)
Returns

Array<Point>.

geometryToDiameter(geometry)
Parameters
  • geometry (GeojsonGeometry | Geometry)
Returns

number.

geometryToGeojsonGeometry(point, options)
Parameters
  • point ([number, number])
  • options? (Partial<MultiGeometryOptions> | undefined)
Returns

{type: 'Point'; coordinates: number[]}.

geometryToSvgGeometry(point)
Parameters
  • point ([number, number])
Returns

{type: 'circle'; attributes?: SvgAttributes; coordinates: Point}.

getFullResourceMask(imageWidth, imageHeight)
Parameters
  • imageWidth (number)
  • imageHeight (number)
Returns

Array<Point>.

getPropertyFromCacheOrComputation(cache, key, computation, checkUse, checkStore)
Parameters
  • cache (Map<K, T>)
  • key (K)
  • computation (() => T)
  • checkUse (((t: T) => boolean) | undefined)
  • checkStore (((t: T) => boolean) | undefined)
Returns

T.

getPropertyFromDoubleCacheOrComputation(cache, key0, key1, computation, checkUse, checkStore)
Parameters
  • cache (Map<K0, Map<K1, T>>)
  • key0 (K0)
  • key1 (K1)
  • computation (() => T)
  • checkUse (((t: T) => boolean) | undefined)
  • checkStore (((t: T) => boolean) | undefined)
Returns

T.

getPropertyFromQuadrupleCacheOrComputation(cache, key0, key1, key2, key3, computation, checkUse, checkStore)
Parameters
  • cache (Map<K0, Map<K1, Map<K2, Map<K3, T>>>>)
  • key0 (K0)
  • key1 (K1)
  • key2 (K2)
  • key3 (K3)
  • computation (() => T)
  • checkUse (((t: T) => boolean) | undefined)
  • checkStore (((t: T) => boolean) | undefined)
Returns

T.

getPropertyFromQuintupleCacheOrComputation(cache, key0, key1, key2, key3, key4, computation, checkUse, checkStore)
Parameters
  • cache (Map<K0, Map<K1, Map<K2, Map<K3, Map<K4, T>>>>>)
  • key0 (K0)
  • key1 (K1)
  • key2 (K2)
  • key3 (K3)
  • key4 (K4)
  • computation (() => T)
  • checkUse (((t: T) => boolean) | undefined)
  • checkStore (((t: T) => boolean) | undefined)
Returns

T.

getPropertyFromTripleCacheOrComputation(cache, key0, key1, key2, computation, checkUse, checkStore)
Parameters
  • cache (Map<K0, Map<K1, Map<K2, T>>>)
  • key0 (K0)
  • key1 (K1)
  • key2 (K2)
  • computation (() => T)
  • checkUse (((t: T) => boolean) | undefined)
  • checkStore (((t: T) => boolean) | undefined)
Returns

T.

groupBy(arr, key)
Parameters
  • arr (Array<T>)
  • key ((i: T) => K)
Returns

{[P in K]: Array<T>}.

hexToFractionalOpaqueRgba(hex)

Convert hex to fractional RGBA, and sets the transparency to 1

Parameters
  • hex (string)
    • hex string, e.g. '#0033ffcc'
Returns

Fractional RGB, e ([number, number, number, number]).g. [0, 0.2, 1, 1]

hexToFractionalRgb(hex)

Convert hex to fractional RGB

Parameters
  • hex (string)
    • hex string, e.g. '#0033ff'
Returns

Fractional RGB, e ([number, number, number]).g. [0, 0.2, 1]

hexToFractionalRgba(hex)

Convert hex to fractional RGBA

Parameters
  • hex (string)
    • hex string, e.g. '#0033ffff'
Returns

Fractional RGB, e ([number, number, number, number]).g. [0, 0.2, 1, 1]

hexToOpaqueRgba(hex)

Convert HEX to RGB, and sets the transparency to 255

Parameters
  • hex (string)
    • HEX string, e.g. '#0033ffcc'
Returns

RGB, e ([number, number, number, number]).g. [0, 51, 255, 255]

hexToRgb(hex)

Convert HEX to RGB

Parameters
  • hex (string)
    • HEX string, e.g. '#0033ff'
Returns

RGB, e ([number, number, number]).g. [0, 51, 255]

hexToRgba(hex)

Convert HEX to RGB

Parameters
  • hex (string)
    • HEX string, e.g. '#0033ffff'
Returns

RGB, e ([number, number, number, number]).g. [0, 51, 255, 255]

intersectBboxes(bbox0, bbox1)
Parameters
  • bbox0 ([number, number, number, number])
  • bbox1 ([number, number, number, number])
Returns

Bbox | undefined.

invertPoint(point)
Parameters
  • point ([number, number])
Returns

[number, number].

invertPoints(points)
Parameters
  • points (Array<Point>)
Returns

Array<Point>.

isClosed(input)
Parameters
  • input (Array<Point>)
Returns

boolean.

isEqualArray(array0, array1, isEqualObject)
Parameters
  • array0 (Array<T>)
  • array1 (Array<T>)
  • isEqualObject (((t0: T, t1: T) => boolean) | undefined)
Returns

boolean.

isEqualPoint(point0, point1)
Parameters
  • point0 ([number, number])
  • point1 ([number, number])
Returns

boolean.

isEqualPointArray(pointArray0, pointArray1)
Parameters
  • pointArray0 (Array<Point>)
  • pointArray1 (Array<Point>)
Returns

boolean.

isEqualPointArrayArray(pointArrayArray0, pointArrayArray1)
Parameters
  • pointArrayArray0 (Array<Array<Point>>)
  • pointArrayArray1 (Array<Array<Point>>)
Returns

boolean.

isGeojsonGeometry(obj)
Parameters
  • obj (unknown)
Returns

boolean.

isGeojsonLineString(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeojsonMultiGeometry(obj)
Parameters
  • obj (unknown)
Returns

boolean.

isGeojsonMultiLineString(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeojsonMultiPoint(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeojsonMultiPolygon(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeojsonPoint(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeojsonPolygon(input)
Parameters
  • input (unknown)
Returns

boolean.

isGeometry(input)
Parameters
  • input (unknown)
Returns

boolean.

isLineString(input)
Parameters
  • input (unknown)
Returns

boolean.

isMultiLineString(input)
Parameters
  • input (unknown)
Returns

boolean.

isMultiPoint(input)
Parameters
  • input (unknown)
Returns

boolean.

isMultiPolygon(input)
Parameters
  • input (unknown)
Returns

boolean.

isPoint(input)
Parameters
  • input (unknown)
Returns

boolean.

isPolygon(input)
Parameters
  • input (unknown)
Returns

boolean.

isRing(input)
Parameters
  • input (unknown)
Returns

boolean.

isSvgCircle(input)
Parameters
  • input (any)
Returns

boolean.

isSvgLine(input)
Parameters
  • input (any)
Returns

boolean.

isSvgPolyLine(input)
Parameters
  • input (any)
Returns

boolean.

isSvgPolygon(input)
Parameters
  • input (any)
Returns

boolean.

isSvgRect(input)
Parameters
  • input (any)
Returns

boolean.

isValidHttpUrl(string)
Parameters
  • string (string)
Returns

boolean.

lineAngle(line)
Parameters
  • line ([Point, Point])
Returns

number.

lineStringToGeojsonLineString(lineString)
Parameters
  • lineString (Array<Point>)
Returns

{type: 'LineString'; coordinates: number[][]}.

lineStringToLines(lineString)
Parameters
  • lineString (Array<Point>)
Returns

Array<Line>.

linesIntersectionPoint(line0, line1, options)
Parameters
  • line0 ([Point, Point])
  • line1 ([Point, Point])
  • options? (Partial<IntersectionOptions> | undefined)
Returns

Point | undefined.

mapToResourceMaskSvgPolygon(map)
Parameters
  • map ({ '@context'?: "https://schemas.allmaps.org/map/2/context.json" | undefined; type: "GeoreferencedMap"; id?: string | undefined; created?: string | undefined; modified?: string | undefined; ... 5 more ...; _allmaps?: unknown; })
Returns

{type: 'polygon'; attributes?: SvgAttributes; coordinates: Ring}.

mergeGeojsonFeaturesCollections(geojsonFeatureCollections)
Parameters
  • geojsonFeatureCollections (Array<GeojsonFeatureCollection>)
Returns

{type: 'FeatureCollection'; features: GeojsonFeature[]}.

mergeOptions(baseOptions, additionalPartialOptions)
Parameters
  • baseOptions (T)
  • additionalPartialOptions (U[0])
Returns

T & U[number].

mergeOptionsUnlessUndefined(baseOptions, additionalOptions)
Parameters
  • baseOptions (T)
  • additionalOptions (Partial<U> | undefined)
Returns

T & Partial<U>.

mergePartialOptions(partialOptions)
Parameters
  • partialOptions (U[0])
Returns

{[P in keyof U[number]]?: U[number][P] | undefined}.

mergeTwoOptionsUnlessUndefined(baseOptions, additionalOption)
Parameters
  • baseOptions (T)
  • additionalOption (Partial<U> | undefined)
Returns

T & Partial<U>.

midPoint(points)
Parameters
  • points ([number, number])
Returns

[number, number].

mixLineStrings(lineString0, lineString1, t)
Parameters
  • lineString0 (Array<Point>)
  • lineString1 (Array<Point>)
  • t (number)
Returns

Array<Point>.

mixNumbers(number0, number1, t)
Parameters
  • number0 (number)
  • number1 (number)
  • t (number)
Returns

number.

mixPoints(point0, point1, t)
Parameters
  • point0 ([number, number])
  • point1 ([number, number])
  • t (number)
Returns

[number, number].

multiLineStringToGeojsonMultiLineString(multiLineString)
Parameters
  • multiLineString (Array<Array<Point>>)
Returns

{type: 'MultiLineString'; coordinates: number[][][]}.

multiPointToGeojsonMultiPoint(multiPoint)
Parameters
  • multiPoint (Array<Point>)
Returns

{type: 'MultiPoint'; coordinates: number[][]}.

multiPolygonToGeojsonMultiPolygon(multiPolygon, close)
Parameters
  • multiPolygon (Array<Array<Array<Point>>>)
  • close (boolean | undefined)
Returns

{type: 'MultiPolygon'; coordinates: number[][][][]}.

multiplyArrayMatrix(arrayMatrix, factor)
Parameters
  • arrayMatrix (Array<Array<number>>)
  • factor (number)
Returns

Array<Array<number>>.

newArrayMatrix(rows, cols, value)

Create and fill a ArrayMatrix: an Arrays of Arrays, that can later be loaded as a ml-matrix Matrix

Parameters
  • rows (number)
  • cols (number)
  • value (T | undefined)
Returns

Array<Array<T>>.

newBlockArrayMatrix(blocks, emptyValue)
Parameters
  • blocks (Array<Array<Array<Array<T>>>>)
  • emptyValue (T | undefined)
Returns

Array<Array<T>>.

objectDifference(newObject, baseObject, objectKeysPossiblyChanged)
Parameters
  • newObject (object)
  • baseObject (object)
  • objectKeysPossiblyChanged? (Array<string> | undefined)
Returns

object.

omit(object, keys)
Parameters
  • object (T)
  • keys (Array<K>)
Returns

{[P in Exclude<keyof T, K>]: T[P]}.

optionKeysByMapIdToUndefinedOptionsByMapId(optionKeysByMapId)
Parameters
  • optionKeysByMapId (Map<string, T> | undefined)
Returns

Map<string, Record<T[number], undefined>> | undefined.

optionKeysToUndefinedOptions(optionKeys)
Parameters
  • optionKeys (T | undefined)
Returns

Record<T[number], undefined> | undefined.

pasteArrayMatrix(arrayMatrix, rowsStart, colsStart, subArrayMatrix)
Parameters
  • arrayMatrix (Array<Array<T>>)
  • rowsStart (number)
  • colsStart (number)
  • subArrayMatrix (Array<Array<T>>)
Returns

Array<Array<T>>.

pasteArrayMatrixInPlace(arrayMatrix, rowsStart, colsStart, subArrayMatrix)
Parameters
  • arrayMatrix (Array<Array<T>>)
  • rowsStart (number)
  • colsStart (number)
  • subArrayMatrix (Array<Array<T>>)
Returns

Array<Array<T>>.

pixelToIntArrayIndex(pixel, size, channels, flipY)
Parameters
  • pixel ([number, number])
  • size ([number, number])
  • channels (number)
  • flipY (boolean | undefined)
Returns

number.

pointInBbox(point, bbox)
Parameters
  • point ([number, number])
  • bbox ([number, number, number, number])
Returns

boolean.

pointToGeojsonPoint(point)
Parameters
  • point ([number, number])
Returns

{type: 'Point'; coordinates: number[]}.

pointToPixel(point, translate)
Parameters
  • point ([number, number])
  • translate (Point | undefined)
Returns

[number, number].

pointsAndPointsToLines(points0, points1)
Parameters
  • points0 (Array<Point>)
  • points1 (Array<Point>)
Returns

Array<Line>.

polygonIsBboxRectangle(polygon)
Parameters
  • polygon (Array<Array<Point>>)
Returns

boolean.

polygonSelfIntersectionPoints(polygon, options)
Parameters
  • polygon (Array<Array<Point>>)
  • options? (Partial<IntersectionOptions> | undefined)
Returns

Array<Point>.

polygonToGeojsonPolygon(polygon, close)
Parameters
  • polygon (Array<Array<Point>>)
  • close (boolean | undefined)
Returns

{type: 'Polygon'; coordinates: number[][][]}.

prolongedLinesIntersectionPoint(line0, line1)
Parameters
  • line0 ([Point, Point])
  • line1 ([Point, Point])
Returns

Point | undefined.

radiansToDegrees(radians)
Parameters
  • radians (number)
Returns

number.

rectangleToSize(rectangle)
Parameters
  • rectangle ([Point, Point, Point, Point])
Returns

[number, number].

rectanglesToScale(rectangle0, rectangle1, fit)
Parameters
  • rectangle0 ([Point, Point, Point, Point])
  • rectangle1 ([Point, Point, Point, Point])
  • fit? (Fit | undefined)
Returns

number.

removeUndefinedOptions(optionsArray)
Parameters
  • optionsArray (U[0])
Returns

{ [P in keyof {[K in keyof U[number]]: Exclude<U[number][K], undefined>}]?: {[K in keyof U[number]]: Exclude<U[number][K], undefined>}[P] | undefined }.

rgbToHex(rgb)

Convert RBG to HEX

Parameters
  • rgb ([number, number, number])
    • RGB color array, e.g. [0, 51, 255]
Returns

HEX string, e (string).g. '#0033ff'

rgbaToHex(rgba)

Convert RBGA to HEX

Parameters
  • rgba ([number, number, number, number])
Returns

HEX string, e (string).g. '#0033ffff'

ringIsBboxRectangle(ring)
Parameters
  • ring (Array<Point>)
Returns

boolean.

ringToGeojsonPolygon(ring, close)
Parameters
  • ring (Array<Point>)
  • close (boolean | undefined)
Returns

{type: 'Polygon'; coordinates: number[][][]}.

rms(from, to)
Parameters
  • from (Array<Point>)
  • to (Array<Point>)
Returns

number.

rotateArray(array, offset)
Parameters
  • array (Array<T>)
  • offset (number)
Returns

Array<T>.

rotatePoint(point, angle, pivot, cosAngle, sinAngle)
Parameters
  • point ([number, number])
  • angle (number | undefined)
  • pivot (Point | undefined)
  • cosAngle? (number | undefined)
  • sinAngle? (number | undefined)
Returns

[number, number].

rotatePoints(points, angle, pivot)
Parameters
  • points (Array<Point>)
  • angle (number | undefined)
  • pivot (Point | undefined)
Returns

Array<Point>.

scaleBbox(bbox, scale)
Parameters
  • bbox ([number, number, number, number])
  • scale (number)
Returns

[number, number, number, number].

scalePoint(point, scale)
Parameters
  • point ([number, number])
  • scale (number)
Returns

[number, number].

scalePoints(points, scale)
Parameters
  • points (Array<Point>)
  • scale (number)
Returns

Array<Point>.

scaleSize(size, scale)
Parameters
  • size ([number, number])
  • scale (number)
Returns

[number, number].

shallowCopyArrayMatrix(arrayMatrix)
Parameters
  • arrayMatrix (Array<Array<T>>)
Returns

Array<Array<T>>.

sizeToBbox(size, center)
Parameters
  • size ([number, number])
  • center? (Point | undefined)
Returns

[number, number, number, number].

sizeToCenter(size)
Parameters
  • size ([number, number])
Returns

[number, number].

sizeToRectangle(size, center)
Parameters
  • size ([number, number])
  • center? (Point | undefined)
Returns

[Point, Point, Point, Point].

sizeToResolution(size)
Parameters
  • size ([number, number])
Returns

number.

sizesToScale(size0, size1, fit)

Compute a scale from two sizes

For unspecified 'fit', the scale is computed based on the surface area derived from the sizes.

For specified 'fit':

Example for square rectangles bbox0 '*' and bbox1 '.':

'contain' where '*' contains '.' (in the first size0 is relatively wider)

           ****
           *  *

.... ....

  • . . * . . .... .... * * ****

'cover' where '*' is covered by '.' (in the first size0 is relatively wider)

           ....
           .  .

.... **** . * * . * * .... **** . . ....

'equal' where '*' is of equal area as '.' (in the first size0 is relatively wider)

****       ....

.... .**. .* . . . ...*. .**. **** ....

Parameters
  • size0 ([number, number])
    • first size
  • size1 ([number, number])
    • second size
  • fit? (Fit | undefined)
    • fit
Returns

number.

sliceArrayMatrix(arrayMatrix, rowsStart, colsStart, rowsEnd, colsEnd)
Parameters
  • arrayMatrix (Array<Array<T>>)
  • rowsStart (number)
  • colsStart (number)
  • rowsEnd? (number | undefined)
  • colsEnd? (number | undefined)
Returns

Array<Array<T>>.

squaredDistance(from, to)
Parameters
  • from ([number, number])
  • to (Point | undefined)
Returns

number.

stepDistanceAngle(point, dist, angle)
Parameters
  • point ([number, number])
  • dist (number)
  • angle (number)
Returns

[number, number].

stringToSvgGeometriesGenerator(svg)
Parameters
  • svg (string)
Returns

Generator<SvgGeometry, void, unknown>.

subArrayMatrix(arrayMatrix, rows, cols)
Parameters
  • arrayMatrix (Array<Array<T>>)
  • rows (Array<number>)
  • cols (Array<number>)
Returns

Array<Array<T>>.

subSetArray(arr1, arr2)
Parameters
  • arr1 (Array<T>)
  • arr2 (Array<T>)
Returns

boolean.

svgGeometriesToSvgString(geometries)
Parameters
  • geometries (Array<SvgGeometry>)
Returns

string.

svgGeometryToGeometry(svgCircle)
Parameters
  • svgCircle ({type: 'circle'; attributes?: SvgAttributes; coordinates: Point})
Returns

[number, number].

svgGeometryToString(geometry)
Parameters
  • geometry (SvgCircle | SvgLine | SvgPolyLine | SvgPolygon | SvgRect)
Returns

string.

threePointsToAngle(pointA, pointB, pointC)

Return angle alpha made at point A by points B and C

Parameters
  • pointA ([number, number])
  • pointB ([number, number])
  • pointC ([number, number])
Returns

number.

translatePoint(point, translationPoint, addOrSubstract)
Parameters
  • point ([number, number])
  • translationPoint ([number, number])
  • addOrSubstract ('add' | 'substract' | undefined)
Returns

[number, number].

translatePoints(points, point, addOrSubstract)
Parameters
  • points (Array<Point>)
  • point ([number, number])
  • addOrSubstract ('add' | 'substract' | undefined)
Returns

Array<Point>.

transposeArrayMatrix(arrayMatrix)
Parameters
  • arrayMatrix (Array<Array<T>>)
Returns

Array<Array<T>>.

triangleAngles(triangle)
Parameters
  • triangle ([Point, Point, Point])
Returns

[number, number, number].

triangleArea(triangle)
Parameters
  • triangle ([Point, Point, Point])
Returns

number.

uncloseMultiPolygon(multiPolygon)
Parameters
  • multiPolygon (Array<Array<Array<Point>>>)
Returns

Array<Array<Array<Point>>>.

unclosePolygon(polygon)
Parameters
  • polygon (Array<Array<Point>>)
Returns

Array<Array<Point>>.

uncloseRing(ring)
Parameters
  • ring (Array<Point>)
Returns

Array<Point>.

Keywords