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node-geopoint

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Representation of a geographic point for node.js and the browser

파일 탐색기

최종 버전 다운로드 (.zip)

- test.accessors.js
- test.bounding.js
- test.constructor.js
- test.conversions.js
- test.distance.js
.gitignore
geopoint.js
index.js
LICENSE
package.json
README.md

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/davidwood/node-geopoint

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd node-geopoint

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

npm install geopoint

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

이 레포의 README에 적힌 실제 명령어를 그대로 가져왔습니다.

// repository documentation

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# Geographic Point

GeoPoint represents a geographic point for node.js and the browser, and provides distance between points and radius bounding box calculations.

## Installation

npm install geopoint

## Usage

```
var GeoPoint = require('geopoint'),
    statueOfLiberty = new GeoPoint(40.689604, -74.04455);
```

## Constructor options

* `latitude`: Latitude
* `longitude`: Longitude
* `inRadians`: `true` if the latitude and longitude are in radians, defaults to `false`

## Methods

* `.latitude(inRadians)`: Return the point's latitude. By default, the latitude is in degrees, unless `inRadians` is `true`
* `.longitude(inRadians)`: Return the point's longitude. By default, the longitude is in degrees, unless `inRadians` is `true`
* `.distanceTo(point, inKilometers)`: Calculate the distance to another `GeoPoint` instance. By default, the distance is calculated in miles, unless `inKilometers` is `true`
* `.boundingCoordinates(distance, radius, inKilometers)`: Calculates the bounding coordinates of `distance` from the point and returns an array with the SW and NE points of the bounding box . If `radius` is not provided, the radius of the Earth will be used. The distance is calculated in miles unless `inKilometers` is `true`

## Static Methods

* `GeoPoint.degreesToRadians(value)`: Converts `value` in degrees to radians
* `GeoPoint.radiansToDegrees(value)`: Converts `value` in radians to degrees
* `GeoPoint.milesToKilometers(value)`: Converts `value` in miles to kilometers
* `GeoPoint.kilometersToMiles(value)`: Converts `value` in kilometers to miles

## Browser Support

The `GeoPoint` constructor is exposed via `window.GeoPoint`.

## Running Tests

Cachetree tests require [Mocha](http://visionmedia.github.com/mocha/) and can be run with either `npm test`.  You can specify Mocha options, such as the reporter, by adding a [mocha.opts](http://visionmedia.github.com/mocha/#mocha.opts) file, which is ignored by git, to the `test` directory.
 
# Credits

This library is derived from the code presented in [Finding Points Within a Distance of a Latitude/Longitude Using Bounding Coordinates](http://janmatuschek.de/LatitudeLongitudeBoundingCoordinates) by [Jan Philip Matuschek](http://janmatuschek.de/Contact).