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https://github.com/fboes/webcomponent-hsi
A Vanilla JavaScript web component which displays a self-contained Horizontal Situation Indicator
https://github.com/fboes/webcomponent-hsi
Last synced: about 17 hours ago
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A Vanilla JavaScript web component which displays a self-contained Horizontal Situation Indicator
- Host: GitHub
- URL: https://github.com/fboes/webcomponent-hsi
- Owner: fboes
- License: mit
- Created: 2020-03-28T18:28:09.000Z (over 4 years ago)
- Default Branch: main
- Last Pushed: 2023-08-08T15:13:25.000Z (over 1 year ago)
- Last Synced: 2024-11-01T12:16:44.040Z (14 days ago)
- Language: JavaScript
- Homepage:
- Size: 202 KB
- Stars: 6
- Watchers: 4
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE.txt
Awesome Lists containing this project
README
Horizontal Situation Indicator
==============================
A Vanilla JavaScript [web component](https://www.webcomponents.org/) which displays a self-contained [Horizontal Situation Indicator](https://en.wikipedia.org/wiki/Horizontal_situation_indicator), an airplane cockpit instrument used for instrument navigation.
For a demo see https://fboes.github.io/webcomponent-hsi/.
Installation
------------
Either download the [`horizontal-situation-indicator.js`](horizontal-situation-indicator.js) to a sensible location in your web project, or do a NPM installation:
```bash
npm install @fboes/horizontal-situation-indicator --save
```
Instead of a local installation you may also load the library from https://unpkg.com/. Beware: This makes https://unpkg.com/ a dependency of your project and may pose data protection issues.
```html
```
Everything required for the frontend functionality of this web component is contained in [`horizontal-situation-indicator.js`](horizontal-situation-indicator.js).
---
Usage
-----
Loading the library prior to use:
```html
```
Invoke a new instance by placing this into your HTML source code:
```html
```
### Simple compass
```html
```
### HSI with NAV1 tuned to ADF
```html
```
### HSI with NAV2 tuned to VOR
```html
```
Properties
----------
Properties can be set on initialization via HTML attributes, or selecting the DOM node via JavaScript and setting the properties of the DOM node.
If a property is not set or unset, the corresponding HSI component will be hidden.
| Name | Type | Default | Description |
| ---------------- | ------------ | ------- | -------------------------- |
| `heading` | ?`degree` | `null` | |
| `heading-select` | ?`degree` | `null` | |
| `nav1-label` | ?`string` | `null` | |
| `nav1-course` | ?`degree` | `null` | |
| `nav1-deviation` | ?`deviation` | `null` | Only visible when `nav1-course` is set. |
| `nav1-bearing` | ?`degree` | `null` | This will also set `nav1-to` and `nav1-deviation` accordingly. |
| `nav1-to` | ?`switch` | `null` | If set to `1` will show the TO-flag, if set to `-1` will show the FROM-flag. |
| `nav2-label` | ?`string` | `null` | |
| `nav2-course` | ?`degree` | `null` | |
| `nav2-deviation` | ?`deviation` | `null` | Only visible when `nav2-course` is set. |
| `nav2-bearing` | ?`degree` | `null` | This will also set `nav2-to` and `nav2-deviation` accordingly. |
| `nav2-to` | ?`switch` | `null` | If set to `1` will show the TO-flag, if set to `-1` will show the FROM-flag. |
| `fix-north` | ?`switch` | `null` | If set to `1` the compass card will be locked to north, while the plane and lubber line rotate. |
Types prefixed with `?` allow setting value to `null` as well.
Special types:
| Type | Description |
| ----------- | ----------- |
| `degree` | A float number with 0 ≤ `degree` < 360. `degree` out of this range will be converted to a corresponding value in this range, e.g. `-1.0` will be `359.0`. |
| `deviation` | A float number with -180 ≤ `deviation` < 180. `deviation` out of this range will be converted to a corresponding value in this range. `deviation` > 0 showing the the chosen course to be right / above, `deviation` < 0 showing the the chosen course to be left / below. A value of `±5.0` (`±175`) will move the marker to the first dot, a value of `±10.0` (`±170`) will move the marker to the second dot. |
Methods
-------
There are no public methods.
Events
------
There are no events.
Styling
-------
To change the layout of the HSI component use CSS variables. There is a set of defined CSS variables which you may use:
```css
horizontal-situation-indicator {
--background-outer-color: black;
--background-color: black;
--foreground-color: white;
--lubber-color: darkorange;
--heading-select-color: cyan;
--nav1-color: magenta;
--nav1-bearing-color: var(--nav1-color);
--nav2-color: cyan;
--nav2-bearing-color: var(--nav2-color);
--stroke-width: 0.5;
}
```
Browser compatibility
---------------------
See [compatibility chart](https://caniuse.com/#search=web%20components):
* Google Chrome 67+
* Mozilla Firefox 63+
* Microsoft Edge 79+
* Opera 64+
If you need extended compatibility, search for [Web Components Polyfills](https://www.webcomponents.org/polyfills/).
---
Development
-----------
* Run `npm run build` to copy files from `src` directory into main JavaScript file.
* The property `debug="1"` will activate additional output to `console`.
Status
-------
[](https://travis-ci.org/fboes/webcomponent-hsi)
[](https://badge.fury.io/gh/fboes%2Fwebcomponent-hsi)
[](https://badge.fury.io/js/%40fboes%2Fhorizontal-situation-indicator)
[](https://www.webcomponents.org/element/@fboes/horizontal-situation-indicator)
Legal stuff
-----------
Author: [Frank Boës](https://3960.org)
Copyright & license: See [LICENSE.txt](LICENSE.txt)