0.2.0 • Published 6 years ago
stl-part-viewer v0.2.0
\<stl-part-viewer>
A web component that displays an STL part file with three.js, Polymer 3, and LitHTML.
Features
- Uses Intersection Observer to load STL files when only in the viewport.
- Uses Intersection Observer to pause rendering of scene when viewer is not in viewport
- Loads Binary and ASCII STL files
- Built as a web component on Polymer 3 / LitElement
Install
This web component is built with Polymer 3 and ES modules in mind and is available on NPM:
Install stl-part-viewer:
npm i stl-part-viewer --save
# or
yarn add stl-part-viewerAfter install, import into your project:
import 'stl-part-viewer';Finally, use as required:
<stl-part-viewer src="part.stl"></stl-part-viewer>Attributes
The web component allows certain attributes to be give a little additional flexibility.
| Name | Description | Default |
|---|---|---|
src | Location of the STL file you want the viewer to load | |
fullscreen | Text value of the full screen button | Full Screen |
backgroundcolor | Set the background color of the scene; rgb(), hsl(), or X11 color string | 0xf1f1f1 |
floorcolor | Set the floor plane color; rgb(), hsl(), or X11 color string | 0x666666 |
modelcolor | Set the model color; rgb(), hsl(), or X11 color string | 0xfffe57 |
Polyfills Required
stl-part-viewer utilizes Custom Elements and Shadow DOM (Web Components), and Intersection Observer. As you can see in the table below, you'll need some polyfills to make use of this across a wide range of browsers.
| Platform Support | Chrome | Chrome for Android | Firefox | Safari | iOS Safari | Edge | IE 11 | |
|---|---|---|---|---|---|---|---|---|
| Supported | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Polyfill(s) Required | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Within your project, you can load them as such:
<script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-loader.js"></script>
<script src="../node_modules/intersection-observer/intersection-observer.js"></script>