mxcad_2d API 文档 / 2d / McGePoint3dArray
Class: McGePoint3dArray
2d.McGePoint3dArray
表示三维点的数组
Table of contents
Constructors
Properties
Methods
Constructors
constructor
• new McGePoint3dArray(imp?)
构造函数。
Parameters
| Name | Type | Description |
|---|---|---|
imp? | object | 内部实现对象 |
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad";
// 创建一个新的 McGePoint3dArray 实例
const myArray = new McGePoint3dArray();
// 通过传入一个对象初始化 McGePoint3dArray
const initialValues = [
new McGePoint3d({ x: 1, y: 2, z: 3 }),
new McGePoint3d({ x: 4, y: 5, z: 6 }),
];
const myArray2 = new McGePoint3dArray(initialValues);Properties
imp
• imp: any
内部实现对象
Methods
append
▸ append(val): void
添加一个值
Parameters
| Name | Type | Description |
|---|---|---|
val | McGePoint3d | 三维点对象 |
Returns
void
Example
ts
import { McGePoint3d, McGePoint3dArray } from "mxcad"
const array = new McGePoint3dArray();
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));at
▸ at(index): McGePoint3d
根据数组索引值得到数据元素的值
Parameters
| Name | Type | Description |
|---|---|---|
index | number | 数组索引 |
Returns
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad"
const array = new McGePoint3dArray();
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));
const point = array.at(0);
console.log(point); // 输出: McGePoint3d { x: 1, y: 2, z: 3 }clear
▸ clear(): void
清空数组
Returns
void
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad"
const array = new McGePoint3dArray();
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));
array.clear();
console.log(array.length()); // 输出: 0copy
▸ copy(val): McGePoint3dArray
复制对象的值
Parameters
| Name | Type | Description |
|---|---|---|
val | McGePoint3dArray | McGePoint3d[] | 三维点的数组 |
Returns
Example
ts
import { McGePoint3d, McGePoint3dArray } from "mxcad"
const array1 = new McGePoint3dArray();
const array2 = new McGePoint3dArray();
array2.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array2.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));
// 复制 array2 的值到 array1
array1.copy(array2);forEach
▸ forEach(call): void
遍历数组
Parameters
| Name | Type | Description |
|---|---|---|
call | (val: McGePoint3d, index: number) => void | 回调函数 |
Returns
void
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad"
const array = new McGePoint3dArray();
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));
array.forEach((point, index) => {
console.log(`Index ${index}: Point ${point}`);
});
// 输出:
// Index 0: Point McGePoint3d { x: 1, y: 2, z: 3 }
// Index 1: Point McGePoint3d { x: 4, y: 5, z: 6 }isEmpty
▸ isEmpty(): boolean
返回数组为空
Returns
boolean
布尔值
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad"
const array = new McGePoint3dArray();
console.log(array.isEmpty()); // 输出: true
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
console.log(array.isEmpty()); // 输出: falselength
▸ length(): number
返回数组长度
Returns
number
数组长度
Example
ts
import { McGePoint3dArray } from "mxcad"
const array = new McGePoint3dArray();
console.log(array.length()); // 输出: 0setAt
▸ setAt(index, val): void
通过数组索引设置数据元素的值
Parameters
| Name | Type | Description |
|---|---|---|
index | number | 数组索引 |
val | McGePoint3d | 三维点对象 |
Returns
void
Example
ts
import { McGePoint3dArray, McGePoint3d } from "mxcad"
const array = new McGePoint3dArray();
array.append(new McGePoint3d({ x: 1, y: 2, z: 3 }));
array.append(new McGePoint3d({ x: 4, y: 5, z: 6 }));
array.setAt(0, new McGePoint3d({ x: 7, y: 8, z: 9 }));
console.log(array.at(0)); // 输出: McGePoint3d { x: 7, y: 8, z: 9 }