Class: NVUtilities

Defined in: nvutilities.ts:250

Constructors

Constructor

new NVUtilities(): NVUtilities;

Returns

NVUtilities

Methods

arrayBufferToBase64()

static arrayBufferToBase64(arrayBuffer: ArrayBuffer): string;

Defined in: nvutilities.ts:251

Parameters

Parameter	Type
arrayBuffer	ArrayBuffer

Returns

string

---

arraysAreEqual()

static arraysAreEqual(a: unknown[], b: unknown[]): boolean;

Defined in: nvutilities.ts:649

Parameters

Parameter	Type
a	unknown[]
b	unknown[]

Returns

boolean

---

b64toUint8()

static b64toUint8(base64: string): Uint8Array;

Defined in: nvutilities.ts:376

Parameters

Parameter	Type
base64	string

Returns

Uint8Array

---

blobToBase64()

static blobToBase64(blob: Blob): Promise<string>;

Defined in: nvutilities.ts:469

Parameters

Parameter	Type
blob	Blob

Returns

Promise<string>

---

compress()

static compress(data: Uint8Array, format: CompressionFormat): Promise<ArrayBuffer>;

Defined in: nvutilities.ts:557

Parameters

Parameter	Type	Default value
data	Uint8Array	undefined
format	CompressionFormat	'gzip'

Returns

Promise<ArrayBuffer>

---

compressStringToArrayBuffer()

static compressStringToArrayBuffer(input: string): Promise<ArrayBuffer>;

Defined in: nvutilities.ts:573

Parameters

Parameter	Type
input	string

Returns

Promise<ArrayBuffer>

---

compressToBase64String()

static compressToBase64String(string: string): Promise<string>;

Defined in: nvutilities.ts:488

Parameters

Parameter	Type
string	string

Returns

Promise<string>

---

decompress()

static decompress(data: Uint8Array): Promise<Uint8Array>;

Defined in: nvutilities.ts:256

Parameters

Parameter	Type
data	Uint8Array

Returns

Promise<Uint8Array>

---

decompressArrayBuffer()

static decompressArrayBuffer(buffer: ArrayBuffer): Promise<string>;

Defined in: nvutilities.ts:644

Parameters

Parameter	Type
buffer	ArrayBuffer

Returns

Promise<string>

---

decompressBase64String()

static decompressBase64String(base64: string): Promise<string>;

Defined in: nvutilities.ts:477

Parameters

Parameter	Type
base64	string

Returns

Promise<string>

---

decompressToBuffer()

static decompressToBuffer(data: Uint8Array): Promise<ArrayBuffer>;

Defined in: nvutilities.ts:274

Parameters

Parameter	Type
data	Uint8Array

Returns

Promise<ArrayBuffer>

---

download()

static download(
   content: string | ArrayBuffer,
   fileName: string,
   contentType: string): void;

Defined in: nvutilities.ts:447

Parameters

Parameter	Type
content	string | ArrayBuffer
fileName	string
contentType	string

Returns

void

---

isArrayBufferCompressed()

static isArrayBufferCompressed(buffer: ArrayBuffer): boolean;

Defined in: nvutilities.ts:578

Parameters

Parameter	Type
buffer	ArrayBuffer

Returns

boolean

---

range()

static range(
   start: number,
   stop: number,
   step: number): number[];

Defined in: nvutilities.ts:661

Generate a pre-filled number array.

Parameters

Parameter	Type	Description
start	number	start value
stop	number	stop value
step	number	step value

Returns

number[]

filled number array

---

readFileAsync()

static readFileAsync(file: Blob): Promise<ArrayBuffer>;

Defined in: nvutilities.ts:456

Parameters

Parameter	Type
file	Blob

Returns

Promise<ArrayBuffer>

---

readMatV4()

static readMatV4(buffer: ArrayBuffer, isReplaceDots: boolean): Promise<Record<string, TypedNumberArray>>;

Defined in: nvutilities.ts:279

Parameters

Parameter	Type	Default value
buffer	ArrayBuffer	undefined
isReplaceDots	boolean	false

Returns

Promise<Record<string, TypedNumberArray>>

---

sph2cartDeg()

static sph2cartDeg(azimuth: number, elevation: number): number[];

Defined in: nvutilities.ts:673

convert spherical AZIMUTH, ELEVATION to Cartesian

Parameters

Parameter	Type	Description
azimuth	number	azimuth number
elevation	number	elevation number

Returns

number[]

the converted [x, y, z] coordinates

Example

xyz = NVUtilities.sph2cartDeg(42, 42);

---

strFromU8()

static strFromU8(dat: Uint8Array, latin1?: boolean): string;

Defined in: nvutilities.ts:595

Converts a Uint8Array to a string (101arrowz/fflate: MIT License)

Parameters

Parameter	Type	Description
dat	Uint8Array	The data to decode to string
latin1?	boolean	Whether or not to interpret the data as Latin-1. This should not need to be true unless encoding to binary string.

Returns

string

The original UTF-8/Latin-1 string

---

strToU8()

static strToU8(str: string, latin1?: boolean): Uint8Array;

Defined in: nvutilities.ts:501

Converts a string into a Uint8Array for use with compression/decompression methods (101arrowz/fflate: MIT License)

Parameters

Parameter	Type	Description
str	string	The string to encode
latin1?	boolean	Whether or not to interpret the data as Latin-1. This should not need to be true unless decoding a binary string.

Returns

Uint8Array

The string encoded in UTF-8/Latin-1 binary

---

uint8tob64()

static uint8tob64(bytes: Uint8Array): string;

Defined in: nvutilities.ts:394

Parameters

Parameter	Type
bytes	Uint8Array

Returns

string

---

vox2mm()

static vox2mm(XYZ: number[], mtx: mat4): vec3;

Defined in: nvutilities.ts:690

Parameters

Parameter	Type
XYZ	number[]
mtx	mat4

Returns

vec3