67 lines
2.3 KiB
Markdown
67 lines
2.3 KiB
Markdown
# @turf/triangle-grid
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<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
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## triangleGrid
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Creates a grid of triangular polygons.
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### Parameters
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* `bbox` **[BBox][1]** extent of grid in \[minX, minY, maxX, maxY] order
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* `cellSide` **[number][2]** dimension of each grid cell. Two triangles are created in each cell.
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* `options` **[Object][3]** Optional parameters (optional, default `{}`)
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* `options.units` **Units** used in calculating cellSide. Supports all valid Turf [Units][4] (optional, default `'kilometers'`)
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* `options.mask` **[Feature][5]<[Polygon][6]>?** if passed a Polygon or MultiPolygon, the grid Points will be created only inside it
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* `options.properties` **[Object][3]** passed to each point of the grid (optional, default `{}`)
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### Examples
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```javascript
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var bbox = [-95, 30 ,-85, 40];
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var cellSide = 50;
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var options = {units: 'miles'};
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var triangleGrid = turf.triangleGrid(bbox, cellSide, options);
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//addToMap
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var addToMap = [triangleGrid];
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```
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Returns **[FeatureCollection][7]<[Polygon][6]>** grid of polygons
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[1]: https://tools.ietf.org/html/rfc7946#section-5
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[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
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[3]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
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[4]: https://github.com/Turfjs/turf/blob/master/packages/turf-helpers/README_UNITS.md
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[5]: https://tools.ietf.org/html/rfc7946#section-3.2
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[6]: https://tools.ietf.org/html/rfc7946#section-3.1.6
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[7]: https://tools.ietf.org/html/rfc7946#section-3.3
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<!-- This file is automatically generated. Please don't edit it directly. If you find an error, edit the source file of the module in question (likely index.js or index.ts), and re-run "yarn docs" from the root of the turf project. -->
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---
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This module is part of the [Turfjs project](https://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.
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### Installation
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Install this single module individually:
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```sh
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$ npm install @turf/triangle-grid
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```
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Or install the all-encompassing @turf/turf module that includes all modules as functions:
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```sh
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$ npm install @turf/turf
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```
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