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@behaver/celestial-velocity

v1.2.1

Published

This pkg is biulded for calculating velocity of changable coordinate.

Downloads

4

Readme

CelestialVelocity

GitHub license npm version PRs Welcome

简介

CelestialVelocity 是一个被创建用以计算天球内点位置坐标速度的计算组件。

安装

使用 npm 安装组件库,在项目目录下执行:

npm i --save @behaver/celestial-velocity

安装后在文件中调用即可:

const CelestialVelocity = require('@behaver/celestial-velocity')

用例

const CelestialVelocity = require('@behaver/celestial-velocity');
const { MoonLocator } = require('@behaver/solar-star-locator');

let ML = new MoonLocator,
    CV = new CelestialVelocity(ML);

let {
  phi, // phi 方向角速度
  theta, // theta 方向角速度
  r, // 径向速度
} = CV.get({
  t: 2448908.5,
});

API

属性

CelestialLocator 天球坐标定位组件

方法

constructor(cel_locator)

构造函数:

  • cel_locator 天球坐标定位组件

celestial(sys, opts)

设定天球系统:

  • sys 天球系统名称缩写
  • opts 天球系统参数选项

get(options)

获取速度向量:

  • options.t 儒略日时间
  • options.celSys 目标天球系统字串
  • options.celSysOptions 目标天球系统参数
  • options.coordSys 目标空间坐标系统字串

许可证书

The ISC license.