turf-size

turf size module

turf.size(bbox, factor)

Takes a bbox and returns a new bbox with a size expanded or contracted by a factor of X.

Parameters

| parameter | type | description | | --------- | -------------- | ------------------------------------------- | | bbox | Array. | a bounding box | | factor | number | the ratio of the new bbox to the input bbox |

Example

var bbox = [0, 0, 10, 10]
var resized = turf.size(bbox, 2);
var features = turf.featurecollection([
  turf.bboxPolygon(bbox),
  turf.bboxPolygon(resized)]);

//=features

Installation

Requires nodejs.

$ npm install turf-size

Tests

$ npm test