Class: PlateCarreeRotatedGrid

Defined in: Grid.ts:361

A rotated lat-lon (plate carree) grid with uniform grid spacing

Extends

• StructuredGrid

Constructors

Constructor

new PlateCarreeRotatedGrid(ni, nj, np_lon, np_lat, lon_shift, ll_lon, ll_lat, ur_lon, ur_lat, thin_x?, thin_y?): PlateCarreeRotatedGrid

Defined in: Grid.ts:386

Create a Lambert conformal conic grid

Parameters

Parameter	Type	Description
ni	number	The number of grid points in the i (longitude) direction
nj	number	The number of grid points in the j (latitude) direction
np_lon	number	The longitude of the north pole for the rotated grid
np_lat	number	The latitude of the north pole for the rotated grid
lon_shift	number	The angle around the rotated north pole to shift the central meridian
ll_lon	number	The longitude of the lower left corner of the grid (on the rotated earth)
ll_lat	number	The latitude of the lower left corner of the grid (on the rotated earth)
ur_lon	number	The longitude of the upper right corner of the grid (on the rotated earth)
ur_lat	number	The latitude of the upper right corner of the grid (on the rotated earth)
thin_x?	number	-
thin_y?	number	-

Returns

PlateCarreeRotatedGrid

Overrides

StructuredGrid.constructor

Properties

Property	Modifier	Type	Inherited from	Defined in
is_conformal	readonly	boolean	StructuredGrid.is_conformal	Grid.ts:104
ll_lat	readonly	number	-	Grid.ts:366
ll_lon	readonly	number	-	Grid.ts:365
lon_shift	readonly	number	-	Grid.ts:364
ni	readonly	number	StructuredGrid.ni	Grid.ts:102
nj	readonly	number	StructuredGrid.nj	Grid.ts:103
np_lat	readonly	number	-	Grid.ts:363
np_lon	readonly	number	-	Grid.ts:362
thin_x	readonly	number	StructuredGrid.thin_x	Grid.ts:152
thin_y	readonly	number	StructuredGrid.thin_y	Grid.ts:153
type	readonly	GridType	StructuredGrid.type	Grid.ts:101
ur_lat	readonly	number	-	Grid.ts:368
ur_lon	readonly	number	-	Grid.ts:367

Methods

getVectorRotationAtPoint()

getVectorRotationAtPoint(lon, lat): number

Defined in: Grid.ts:138

Parameters

Parameter	Type
lon	number
lat	number

Returns

number

Inherited from

StructuredGrid.getVectorRotationAtPoint

---

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

Inherited from

StructuredGrid.getVectorRotationTexture

---

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; }>

Inherited from

StructuredGrid.getWGLBillboardBuffers

---

getWGLBuffers()

getWGLBuffers(gl): Promise<{ texcoords: WGLBuffer; vertices: WGLBuffer; }>

Defined in: Grid.ts:212

Parameters

Parameter	Type
gl	WebGLAnyRenderingContext

Returns

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

Inherited from

StructuredGrid.getWGLBuffers

---

sampleNearestGridPoint()

sampleNearestGridPoint(lon, lat, ary): object

Defined in: Grid.ts:216

Parameters

Parameter	Type
lon	number
lat	number
ary	TypedArray

Returns

object

sample

sample: number

sample_lat

sample_lat: number

sample_lon

sample_lon: number

Inherited from

StructuredGrid.sampleNearestGridPoint