0a5f6a8047
- Go backend (server/)
- Frontend (web/, server/static/)
- Database and deployment files
- Scripts and docs
Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
239 lines
8.7 KiB
JavaScript
239 lines
8.7 KiB
JavaScript
import { isNumber } from './';
|
||
import { getEdgeTerminal } from './math';
|
||
/**
|
||
* 将 number | Function 类型的参数转换为 return number 的 Function
|
||
* @param {number | Function} value 需要被转换的值
|
||
* @param {number} defaultV 返回函数的默认返回值
|
||
* @return {Function} 转换后的函数
|
||
*/
|
||
export const proccessToFunc = (value, defaultV) => {
|
||
let func;
|
||
if (!value) {
|
||
func = () => {
|
||
return defaultV || 1;
|
||
};
|
||
}
|
||
else if (isNumber(value)) {
|
||
func = () => {
|
||
return value;
|
||
};
|
||
}
|
||
else {
|
||
func = value;
|
||
}
|
||
return func;
|
||
};
|
||
/**
|
||
* 将节点和边数据转换为 GPU 可读的数组。并返回 maxEdgePerVetex，每个节点上最多的边数
|
||
* @param {NodeConfig[]} nodes 需要被转换的值
|
||
* @param {EdgeConfig[]} edges 返回函数的默认返回值
|
||
* @return {Object} 转换后的数组及 maxEdgePerVetex 组成的对象
|
||
*/
|
||
export const buildTextureData = (nodes, edges) => {
|
||
const dataArray = [];
|
||
const nodeDict = [];
|
||
const mapIdPos = {};
|
||
let i = 0;
|
||
for (i = 0; i < nodes.length; i++) {
|
||
const n = nodes[i];
|
||
mapIdPos[n.id] = i;
|
||
dataArray.push(n.x);
|
||
dataArray.push(n.y);
|
||
dataArray.push(0);
|
||
dataArray.push(0);
|
||
nodeDict.push([]);
|
||
}
|
||
for (i = 0; i < edges.length; i++) {
|
||
const e = edges[i];
|
||
const source = getEdgeTerminal(e, 'source');
|
||
const target = getEdgeTerminal(e, 'target');
|
||
if (!isNaN(mapIdPos[source]) && !isNaN(mapIdPos[target])) {
|
||
nodeDict[mapIdPos[source]].push(mapIdPos[target]);
|
||
nodeDict[mapIdPos[target]].push(mapIdPos[source]);
|
||
}
|
||
}
|
||
let maxEdgePerVetex = 0;
|
||
for (i = 0; i < nodes.length; i++) {
|
||
const offset = dataArray.length;
|
||
const dests = nodeDict[i];
|
||
const len = dests.length;
|
||
dataArray[i * 4 + 2] = offset;
|
||
dataArray[i * 4 + 3] = len;
|
||
maxEdgePerVetex = Math.max(maxEdgePerVetex, len);
|
||
for (let j = 0; j < len; ++j) {
|
||
const dest = dests[j];
|
||
dataArray.push(+dest);
|
||
}
|
||
}
|
||
while (dataArray.length % 4 !== 0) {
|
||
dataArray.push(0);
|
||
}
|
||
return {
|
||
maxEdgePerVetex,
|
||
array: new Float32Array(dataArray),
|
||
};
|
||
};
|
||
/**
|
||
* 将节点和边数据转换为 GPU 可读的数组，每条边带有一个属性。并返回 maxEdgePerVetex，每个节点上最多的边数
|
||
* @param {NodeConfig[]} nodes 节点数组
|
||
* @param {EdgeConfig[]} edges 边数组
|
||
* @param {Function} attrs 读取边属性的函数
|
||
* @return {Object} 转换后的数组及 maxEdgePerVetex 组成的对象
|
||
*/
|
||
// export const buildTextureDataWithOneEdgeAttr = (nodes: OutNode[], edges: Edge[], attrs: Function): {
|
||
// array: Float32Array,
|
||
// maxEdgePerVetex: number
|
||
// } => {
|
||
// const dataArray = [];
|
||
// const nodeDict: any = [];
|
||
// const mapIdPos: IndexMap = {};
|
||
// let i = 0;
|
||
// for (i = 0; i < nodes.length; i++) {
|
||
// const n = nodes[i];
|
||
// mapIdPos[n.id] = i;
|
||
// dataArray.push(n.x);
|
||
// dataArray.push(n.y);
|
||
// dataArray.push(0);
|
||
// dataArray.push(0);
|
||
// nodeDict.push([]);
|
||
// }
|
||
// for (i = 0; i < edges.length; i++) {
|
||
// const e = edges[i];
|
||
// nodeDict[mapIdPos[e.source]].push(mapIdPos[e.target]);
|
||
// nodeDict[mapIdPos[e.source]].push(attrs(e)); // 理想边长，后续可以改成每条边不同
|
||
// nodeDict[mapIdPos[e.target]].push(mapIdPos[e.source]);
|
||
// nodeDict[mapIdPos[e.target]].push(attrs(e)); // 理想边长，后续可以改成每条边不同
|
||
// }
|
||
// let maxEdgePerVetex = 0;
|
||
// for (i = 0; i < nodes.length; i++) {
|
||
// const offset: number = dataArray.length;
|
||
// const dests = nodeDict[i]; // dest 中节点 id 与边长间隔存储，即一位节点 id，一位边长……
|
||
// const len = dests.length;
|
||
// dataArray[i * 4 + 2] = offset;
|
||
// dataArray[i * 4 + 3] = len / 2; // 第四位存储与该节点相关的所有节点个数
|
||
// maxEdgePerVetex = Math.max(maxEdgePerVetex, len / 2);
|
||
// for (let j = 0; j < len; ++j) {
|
||
// const dest = dests[j];
|
||
// dataArray.push(+dest);
|
||
// }
|
||
// }
|
||
// // 不是 4 的倍数，填充 0
|
||
// while (dataArray.length % 4 !== 0) {
|
||
// dataArray.push(0);
|
||
// }
|
||
// return {
|
||
// array: new Float32Array(dataArray),
|
||
// maxEdgePerVetex
|
||
// }
|
||
// }
|
||
/**
|
||
* 将节点和边数据转换为 GPU 可读的数组，每条边带有一个以上属性。并返回 maxEdgePerVetex，每个节点上最多的边数
|
||
* @param {NodeConfig[]} nodes 节点数组
|
||
* @param {EdgeConfig[]} edges 边数组
|
||
* @param {Function} attrs 读取边属性的函数
|
||
* @return {Object} 转换后的数组及 maxEdgePerVetex 组成的对象
|
||
*/
|
||
export const buildTextureDataWithTwoEdgeAttr = (nodes, edges, attrs1, attrs2) => {
|
||
const dataArray = [];
|
||
const nodeDict = [];
|
||
const mapIdPos = {};
|
||
let i = 0;
|
||
for (i = 0; i < nodes.length; i++) {
|
||
const n = nodes[i];
|
||
mapIdPos[n.id] = i;
|
||
dataArray.push(n.x);
|
||
dataArray.push(n.y);
|
||
dataArray.push(0);
|
||
dataArray.push(0);
|
||
nodeDict.push([]);
|
||
}
|
||
for (i = 0; i < edges.length; i++) {
|
||
const e = edges[i];
|
||
const source = getEdgeTerminal(e, 'source');
|
||
const target = getEdgeTerminal(e, 'target');
|
||
nodeDict[mapIdPos[source]].push(mapIdPos[target]);
|
||
nodeDict[mapIdPos[source]].push(attrs1(e));
|
||
nodeDict[mapIdPos[source]].push(attrs2(e));
|
||
nodeDict[mapIdPos[source]].push(0);
|
||
nodeDict[mapIdPos[target]].push(mapIdPos[source]);
|
||
nodeDict[mapIdPos[target]].push(attrs1(e));
|
||
nodeDict[mapIdPos[target]].push(attrs2(e));
|
||
nodeDict[mapIdPos[target]].push(0);
|
||
}
|
||
let maxEdgePerVetex = 0;
|
||
for (i = 0; i < nodes.length; i++) {
|
||
const offset = dataArray.length;
|
||
const dests = nodeDict[i]; // dest 中节点 id 与边长间隔存储，即一位节点 id，一位边长……
|
||
const len = dests.length;
|
||
// dataArray[i * 4 + 2] = offset;
|
||
// dataArray[i * 4 + 3] = len / 4; // 第四位存储与该节点相关的所有节点个数
|
||
// pack offset & length into float32: offset 20bit, length 12bit
|
||
dataArray[i * 4 + 2] = offset + 1048576 * len / 4;
|
||
dataArray[i * 4 + 3] = 0; // 第四位存储与上一次的距离差值
|
||
maxEdgePerVetex = Math.max(maxEdgePerVetex, len / 4);
|
||
for (let j = 0; j < len; ++j) {
|
||
const dest = dests[j];
|
||
dataArray.push(+dest);
|
||
}
|
||
}
|
||
// 不是 4 的倍数，填充 0
|
||
while (dataArray.length % 4 !== 0) {
|
||
dataArray.push(0);
|
||
}
|
||
return {
|
||
maxEdgePerVetex,
|
||
array: new Float32Array(dataArray),
|
||
};
|
||
};
|
||
/**
|
||
* transform the extended attributes of nodes or edges to a texture array
|
||
* @param {string[]} attributeNames attributes' name to be read from items and put into output array
|
||
* @param {ModelConfig[]} items the items to be read
|
||
* @return {Float32Array} the attributes' value array to be read by GPU
|
||
*/
|
||
export const attributesToTextureData = (attributeNames, items) => {
|
||
const dataArray = [];
|
||
const attributeNum = attributeNames.length;
|
||
const attributteStringMap = {};
|
||
items.forEach((item) => {
|
||
attributeNames.forEach((name, i) => {
|
||
if (attributteStringMap[item[name]] === undefined) {
|
||
attributteStringMap[item[name]] = Object.keys(attributteStringMap).length;
|
||
}
|
||
dataArray.push(attributteStringMap[item[name]]);
|
||
// insure each node's attributes take inter number of grids
|
||
if (i === attributeNum - 1) {
|
||
while (dataArray.length % 4 !== 0) {
|
||
dataArray.push(0);
|
||
}
|
||
}
|
||
});
|
||
});
|
||
return {
|
||
array: new Float32Array(dataArray),
|
||
count: Object.keys(attributteStringMap).length
|
||
};
|
||
};
|
||
/**
|
||
* transform the number array format of extended attributes of nodes or edges to a texture array
|
||
* @param {string[]} attributeNames attributes' name to be read from items and put into output array
|
||
* @return {Float32Array} the attributes' value array to be read by GPU
|
||
*/
|
||
export const arrayToTextureData = (valueArrays) => {
|
||
const dataArray = [];
|
||
const attributeNum = valueArrays.length;
|
||
const itemNum = valueArrays[0].length;
|
||
for (let j = 0; j < itemNum; j++) {
|
||
valueArrays.forEach((valueArray, i) => {
|
||
dataArray.push(valueArray[j]);
|
||
// insure each node's attributes take inter number of grids
|
||
if (i === attributeNum - 1) {
|
||
while (dataArray.length % 4 !== 0) {
|
||
dataArray.push(0);
|
||
}
|
||
}
|
||
});
|
||
}
|
||
return new Float32Array(dataArray);
|
||
};
|
||
//# sourceMappingURL=gpu.js.map
|