Abstract Class: Grid

Defined in: Grid.ts:100

The base class for grid types

Extended by

• StructuredGrid
• UnstructuredGrid

Constructors

Constructor

new Grid(type, is_conformal, ni, nj): Grid

Defined in: Grid.ts:109

Parameters

Parameter	Type
type	GridType
is_conformal	boolean
ni	number
nj	number

Returns

Grid

Properties

Property	Modifier	Type	Defined in
is_conformal	readonly	boolean	Grid.ts:104
ni	readonly	number	Grid.ts:102
nj	readonly	number	Grid.ts:103
type	readonly	GridType	Grid.ts:101

Methods

copy()

abstract copy(): Grid

Defined in: Grid.ts:136

Returns

Grid

---

getEarthCoords()

abstract getEarthCoords(): EarthCoords

Defined in: Grid.ts:124

Returns

EarthCoords

---

getGridCoords()

abstract getGridCoords(): GridCoords

Defined in: Grid.ts:125

Returns

GridCoords

---

getMinVisibleZoom()

abstract getMinVisibleZoom(thin_fac): Uint8Array

Defined in: Grid.ts:130

Parameters

Parameter	Type
thin_fac	number

Returns

Uint8Array

---

getThinnedGrid()

abstract getThinnedGrid(thin_fac, map_max_zoom): Grid

Defined in: Grid.ts:128

Parameters

Parameter	Type
thin_fac	number
map_max_zoom	number

Returns

Grid

---

getVectorRotationAtPoint()

getVectorRotationAtPoint(lon, lat): number

Defined in: Grid.ts:138

Parameters

Parameter	Type
lon	number
lat	number

Returns

number

---

getVectorRotationTexture()

getVectorRotationTexture(gl, data_are_earth_relative): object

Defined in: Grid.ts:144

Parameters

Parameter	Type
gl	WebGLAnyRenderingContext
data_are_earth_relative	boolean

Returns

object

rotation

rotation: WGLTexture

---

getWGLBillboardBuffers()

getWGLBillboardBuffers(gl, thin_fac, max_zoom): Promise<{ texcoords: WGLBuffer; vertices: WGLBuffer; }>

Defined in: Grid.ts:132

Parameters

Parameter	Type
gl	WebGLAnyRenderingContext
thin_fac	number
max_zoom	number

Returns

Promise<{ texcoords: WGLBuffer; vertices: WGLBuffer; }>

---

sampleNearestGridPoint()

abstract sampleNearestGridPoint(lon, lat, ary): object

Defined in: Grid.ts:127

Parameters

Parameter	Type
lon	number
lat	number
ary	TypedArray

Returns

object

sample

sample: number

sample_lat

sample_lat: number

sample_lon

sample_lon: number

---

thinDataArray()

abstract thinDataArray<ArrayType>(original_grid, ary): ArrayType

Defined in: Grid.ts:129

Type Parameters

Type Parameter
ArrayType extends TypedArray

Parameters

Parameter	Type
original_grid	Grid
ary	ArrayType

Returns

ArrayType

---

transform()

abstract transform(x, y, opts?): [number, number]

Defined in: Grid.ts:126

Parameters

Parameter	Type
x	number
y	number
opts?	{ inverse?: boolean; }
opts.inverse?	boolean

Returns

[number, number]