StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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55 lines
1.3 KiB
55 lines
1.3 KiB
4 years ago
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# @turf/area
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<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
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## area
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Takes one or more features and returns their area in square meters.
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**Parameters**
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- `geojson` **[GeoJSON][1]** input GeoJSON feature(s)
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**Examples**
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```javascript
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var polygon = turf.polygon([[[125, -15], [113, -22], [154, -27], [144, -15], [125, -15]]]);
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var area = turf.area(polygon);
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//addToMap
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var addToMap = [polygon]
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polygon.properties.area = area
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```
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Returns **[number][2]** area in square meters
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[1]: https://tools.ietf.org/html/rfc7946#section-3
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[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
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<!-- This file is automatically generated. Please don't edit it directly:
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if you find an error, edit the source file (likely index.js), and re-run
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./scripts/generate-readmes in the turf project. -->
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---
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This module is part of the [Turfjs project](http://turfjs.org/), an open source
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module collection dedicated to geographic algorithms. It is maintained in the
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[Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create
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PRs and issues.
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### Installation
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Install this module individually:
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```sh
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$ npm install @turf/area
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```
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Or install the Turf module that includes it as a function:
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```sh
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$ npm install @turf/turf
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```
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