@itk-wasm/image-io/src/read-image-http.ts

Input and output for scientific and medical image file formats.

import axios from 'axios'

import { bufferToTypedArray, Image, FloatTypes, TypedArray } from 'itk-wasm'

async function readImageHTTP (url: string): Promise<Image> {
  const imageResponse = await axios.get(`${url}/index.json`, { responseType: 'json' })
  const image = imageResponse.data as Image
  const dataResponse = await axios.get(`${url}/data/data.raw`, { responseType: 'arraybuffer' })
  image.data = bufferToTypedArray(image.imageType.componentType, dataResponse.data as ArrayBuffer) as TypedArray
  const directionResponse = await axios.get(`${url}/data/direction.raw`, { responseType: 'arraybuffer' })
  image.direction = bufferToTypedArray(FloatTypes.Float64, directionResponse.data as ArrayBuffer) as TypedArray
  return image
}

export default readImageHTTP