本文整理汇总了TypeScript中neuroglancer/util/uint32array_builder.Uint32ArrayBuilder类的典型用法代码示例。如果您正苦于以下问题：TypeScript Uint32ArrayBuilder类的具体用法？TypeScript Uint32ArrayBuilder怎么用？TypeScript Uint32ArrayBuilder使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Uint32ArrayBuilder类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: suite
suite('compressed_segmentation', () => {
const blockSize = [8, 8, 8];
const output = new Uint32ArrayBuilder(1000000);
for (let volumeSize of [ //
[16, 16, 16, 1], //
// [64, 64, 64, 1], //
]) {
const numPossibleValues = 15;
const input = makeRandomUint64Array(prod4(volumeSize), numPossibleValues);
benchmark(`encode_uint64 ${vec3Key(volumeSize)}`, () => {
output.clear();
encodeChannelsUint64(output, blockSize, input, volumeSize);
});
}
});示例2: writeBlock
export function writeBlock(
output: Uint32ArrayBuilder, baseOffset: number, cache: ValueTableCache,
numBlockElements: number, numUniqueValues: number, valuesBuffer2: Uint32Array,
encodingBuffer: Uint32Array, indexBuffer2: Uint32Array,
uint32sPerElement: number): [number, number] {
let encodedBits: number;
if (numUniqueValues === 1) {
encodedBits = 0;
} else {
encodedBits = 1;
while ((1 << encodedBits) < numUniqueValues) {
encodedBits *= 2;
}
}
let encodedSize32bits = Math.ceil(encodedBits * numBlockElements / 32);
let encodedValueBaseOffset = output.length;
let elementsToWrite = encodedSize32bits;
let writeTable = false;
let key = Array.prototype.join.call(
valuesBuffer2.subarray(0, numUniqueValues * uint32sPerElement), ',');
let tableOffset = cache.get(key);
if (tableOffset === undefined) {
writeTable = true;
elementsToWrite += numUniqueValues * uint32sPerElement;
tableOffset = encodedValueBaseOffset + encodedSize32bits - baseOffset;
cache.set(key, tableOffset);
}
output.resize(encodedValueBaseOffset + elementsToWrite);
let outputData = output.data;
writeEncodedRepresentation(
outputData, encodedValueBaseOffset, encodingBuffer, indexBuffer2, encodedBits,
encodedSize32bits);
// Write table
if (writeTable) {
let curOutputOff = encodedValueBaseOffset + encodedSize32bits;
for (let i = 0, length = numUniqueValues * uint32sPerElement; i < length; ++i) {
outputData[curOutputOff++] = valuesBuffer2[i];
}
}
return [encodedBits, tableOffset];
}示例3: encodeChannel
export function encodeChannel(
output: Uint32ArrayBuilder, blockSize: ArrayLike<number>, rawData: Uint32Array,
volumeSize: ArrayLike<number>, baseInputOffset: number, inputStrides: ArrayLike<number>,
encodeBlock: EncodeBlockFunction) {
// Maps a sorted list of table entries in the form <low>,<high>,<low>,<high>,... to the table
// offset relative to baseOffset.
let cache = newCache();
let gridSize = new Array<number>(3);
let blockIndexSize = BLOCK_HEADER_SIZE;
for (let i = 0; i < 3; ++i) {
let curGridSize = gridSize[i] = Math.ceil(volumeSize[i] / blockSize[i]);
blockIndexSize *= curGridSize;
}
const gx = gridSize[0], gy = gridSize[1], gz = gridSize[2];
const xSize = volumeSize[0], ySize = volumeSize[1], zSize = volumeSize[2];
const xBlockSize = blockSize[0], yBlockSize = blockSize[1], zBlockSize = blockSize[2];
const baseOffset = output.length;
let headerOffset = baseOffset;
const actualSize = [0, 0, 0];
output.resize(baseOffset + blockIndexSize);
let sx = inputStrides[0], sy = inputStrides[1], sz = inputStrides[2];
for (let bz = 0; bz < gz; ++bz) {
actualSize[2] = Math.min(zBlockSize, zSize - bz * zBlockSize);
for (let by = 0; by < gy; ++by) {
actualSize[1] = Math.min(yBlockSize, ySize - by * yBlockSize);
for (let bx = 0; bx < gx; ++bx) {
actualSize[0] = Math.min(xBlockSize, xSize - bx * xBlockSize);
let inputOffset = bz * zBlockSize * sz + by * yBlockSize * sy + bx * xBlockSize * sx;
let encodedValueBaseOffset = output.length - baseOffset;
let [encodedBits, tableOffset] = encodeBlock(
rawData, baseInputOffset + inputOffset, inputStrides, blockSize, actualSize, baseOffset,
cache, output);
let outputData = output.data;
outputData[headerOffset++] = tableOffset | (encodedBits << 24);
outputData[headerOffset++] = encodedValueBaseOffset;
}
}
}
}示例4: benchmark
benchmark(`encode_uint64 ${vec3Key(volumeSize)}`, () => {
output.clear();
encodeChannelsUint64(output, blockSize, input, volumeSize);
});