StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.8 KiB
63 lines
1.8 KiB
4 years ago
|
# @turf/centroid
|
||
|
|
|
||
|
|
<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
|
||
|
|
|
||
|
|
## centroid
|
||
|
|
|
||
|
|
Takes one or more features and calculates the centroid using the mean of all vertices.
|
||
|
|
This lessens the effect of small islands and artifacts when calculating the centroid of a set of polygons.
|
||
|
|
|
||
|
|
**Parameters**
|
||
|
|
|
||
|
|
- `geojson` **[GeoJSON][1]** GeoJSON to be centered
|
||
|
|
- `options` **[Object][2]** Optional Parameters (optional, default `{}`)
|
||
|
|
- `options.properties` **[Object][2]** an Object that is used as the [Feature][3]'s properties (optional, default `{}`)
|
||
|
|
|
||
|
|
**Examples**
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
var polygon = turf.polygon([[[-81, 41], [-88, 36], [-84, 31], [-80, 33], [-77, 39], [-81, 41]]]);
|
||
|
|
|
||
|
|
var centroid = turf.centroid(polygon);
|
||
|
|
|
||
|
|
//addToMap
|
||
|
|
var addToMap = [polygon, centroid]
|
||
|
|
```
|
||
|
|
|
||
|
|
Returns **[Feature][4]<[Point][5]>** the centroid of the input features
|
||
|
|
|
||
|
|
[1]: https://tools.ietf.org/html/rfc7946#section-3
|
||
|
|
|
||
|
|
[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
|
||
|
|
|
||
|
|
[3]: https://tools.ietf.org/html/rfc7946#section-3.2
|
||
|
|
|
||
|
|
[4]: https://tools.ietf.org/html/rfc7946#section-3.2
|
||
|
|
|
||
|
|
[5]: https://tools.ietf.org/html/rfc7946#section-3.1.2
|
||
|
|
|
||
|
|
<!-- This file is automatically generated. Please don't edit it directly:
|
||
|
|
if you find an error, edit the source file (likely index.js), and re-run
|
||
|
|
./scripts/generate-readmes in the turf project. -->
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
This module is part of the [Turfjs project](http://turfjs.org/), an open source
|
||
|
|
module collection dedicated to geographic algorithms. It is maintained in the
|
||
|
|
[Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create
|
||
|
|
PRs and issues.
|
||
|
|
|
||
|
|
### Installation
|
||
|
|
|
||
|
|
Install this module individually:
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install @turf/centroid
|
||
|
|
```
|
||
|
|
|
||
|
|
Or install the Turf module that includes it as a function:
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install @turf/turf
|
||
|
|
```
|