Class: McGeMatrix3d ​

import { McGeMatrix3d } from "mxcad"

const matrix = new McGeMatrix3d()

// matrix1 一个三维矩阵对象
const matrix = matrix1.clone()

// matrix1 一个三维矩阵对象
const matrix = new McGeMatrix3d();
matrix.copy(matrix1)

// matrix 表示一个三维矩阵对象
const detNum = matrix.det();
console.log(detNum)

// matrix 表示一个三维矩阵对象
const data = matrix.getData(2,3)
console.log(data)

// matrix表示一个三维矩阵对象
const mat_invert = matrix.clone().invert();

// matrix1 matrix2 表示两个三维矩阵对象
const res = matrix1.isEqualTo(matrix2);
console.log(res)

// matrix表示一个三维矩阵对象
const res = matrix.isSingular();
console.log(res)

// matrix1 表示一个三维矩阵对象
const matrix = new McGeMatrix3d()
matrix.postMultBy(matrix1);

// matrix1 表示一个三维矩阵对象
const matrix = new McGeMatrix3d()
matrix.preMultBy(matrix1);

// matrix 表示一个三维矩阵对象
const scaleNum = matrix.scale()
console.log(scaleNum)

import { McGeMatrix3d , McGePoint3d, McGeVector3d} from "mxcad"

const m1 = new McGeMatrix3d()
m1.setCoordSystem(new McGePoint3d(), new McGeVector3d(), new McGeVector3d(), new McGeVector3d())

import { McGeMatrix3d, McDbEntity } from "mxcad";

 const matrix = new McGeMatrix3d();
 const event = new McDbEntity();
 matrix.setMirror(new McGeVector3d(0, 0, 0), new McGeVector3d(20, 0, 0));//平移
 event.transformBy(matrix);

// matrix 表示一个三维矩阵对象
matrix.setToIdentity()

// matrix1 matrix2 表示两个三维矩阵对象
const matrix = new McGeMatrix3d()
matrix.setToProduct(matrix1, matrix2);

import { McGeMatrix3d, McDbEntity } from "mxcad";

 let matrix = new McGeMatrix3d();
 const event = new McDbEntity();
 matrix.setToRotation(Math.PI, McGeVector3d.kZAxis / 180.0, new McGeVector3d(20,10,0));//平移
 event.transformBy(matrix);

import { McGeMatrix3d, McDbEntity } from "mxcad";

 let matrix = new McGeMatrix3d();
 const event = new McDbEntity();
 matrix.setToScaling(0.5, new McGeVector3d(0, 0, 0));//平移
 event.transformBy(matrix);

import { McGeMatrix3d, McDbEntity } from "mxcad";

 let matrix = new McGeMatrix3d();
 const event = new McDbEntity();
 matrix.setToTranslation(new McGeVector3d(20,10,0));//平移
 event.transformBy(matrix);

// matrix表示一个三维矩阵对象
const mst_trs = matrix.clone().transposeIt();