Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | 7x 7x 7x | import { PixelDataTypedArray, PixelDataTypedArrayString } from '../types'; /** * Creates a target buffer based on the provided options. * * @param targetBufferType - The type of the target buffer. * @param length - The length of the target buffer. * @param options - Options for the target buffer. Currently supports * `use16BitTexture` and `isVolumeBuffer`. * @returns Returns an object containing the number of bytes and the type array * constructor of the target buffer, which you then use to create the target buffer * with new TypedArrayConstructor(length). */ function getBufferConfiguration( targetBufferType: PixelDataTypedArrayString, length: number, options: { use16BitTexture?: boolean; isVolumeBuffer?: boolean } = {} ): { numBytes: number; TypedArrayConstructor: new ( length: number | SharedArrayBuffer ) => PixelDataTypedArray; } { const { use16BitTexture = false, isVolumeBuffer = false } = options; switch (targetBufferType) { case 'Float32Array': return { numBytes: length * 4, TypedArrayConstructor: Float32Array }; case 'Uint8Array': return { numBytes: length, TypedArrayConstructor: Uint8Array }; case 'Uint16Array': if (!isVolumeBuffer) { return { numBytes: length * 2, TypedArrayConstructor: Uint16Array }; } else { if (use16BitTexture) { return { numBytes: length * 2, TypedArrayConstructor: Uint16Array }; } else { console.warn( 'Uint16Array is not supported for volume rendering, switching back to Float32Array' ); return { numBytes: length * 4, TypedArrayConstructor: Float32Array }; } } case 'Int16Array': if (!isVolumeBuffer) { return { numBytes: length * 2, TypedArrayConstructor: Int16Array }; } else { if (use16BitTexture) { return { numBytes: length * 2, TypedArrayConstructor: Int16Array }; } else { console.warn( 'Int16Array is not supported for volume rendering, switching back to Float32Array' ); return { numBytes: length * 4, TypedArrayConstructor: Float32Array }; } } default: if (targetBufferType) { throw new Error( 'TargetBuffer should be Float32Array, Uint8Array, Uint16Array, or Int16Array' ); } else { // Use Float32Array if no targetBuffer is provided return { numBytes: length * 4, TypedArrayConstructor: Float32Array }; } } } export { getBufferConfiguration }; |