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turf-google-maps
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A bridge to use Turf along with google Maps API.
Turf offers a rich set of geometric operations, but it works with GeoJSON inputs. This library bridges a subset of turf operations (that might steadily grow) to allow the user to apply the same operations to google maps objects such as Polygons, Polylines and Markers.
Most of these methods return a GeoJSON feature, given the output of these geometric operations might not be suitable for conversion to a google maps object (which is the case of MultiPolygons or MultiLinestring). Some of them accept an output
parameter that, if passed object
as value, will try to return
a google maps object using Wicket.
In future releases, we might consider returning MultiGeometries or FeatureCollections as an instance of a google.maps.Data layer. We have avoided said functionality in the current release.
Install it with
npm install turf-google-maps
Or, if you're using JSPM
jspm install npm:turf-google-maps
The main
script as defined in package.json
is an UMD module. If you're using ES6 syntax, you might import individual
modules from dist/ig_turfhelper.esm.js
like so:
import {
createbuffer,
simplifyFeature,
kinks,
unkink
} from 'turf-google-maps/dist/ig_turfhelper.esm.js'
Which might help you perform some tree shaking in your build stage.
Takes a google.maps.Polyline and returns a Feature of type Point at a specified distance along the line.
See along.
Takes a set of gooogle.maps.LatLng or google.maps.LatLngLiteral and returns a concave hull Feature of type Polygon or MultiPolygon
See concave.
Different helper methods to transform gooogle.maps.LatLng or google.maps.LatLngLiteral to GeoJSON positions or viceversa
See coords_to_latlng.
Takes a google.maps.Polygon and returns a FeatureCollection of Points representing the polygon self intersections
See kinks.
Takes a google.maps.Polygon or google.maps.Polyline and returns a simplified version given a certain tolerance. Uses Douglas-Peucker algorithm
See simplify_things.
Takes two google.maps.Polyline and returns an array of coordinates [path of trimmed polyline1, path of trimmed polyline2, intersection point]
See trimpaths.
Operations to obtain the union, intersection of buffers of google.maps.Polygon objects
See operations.
Takes a google.maps.Polygon with self intersections and returns a FeatureCollection of polygons without self intersections
See unkink.
Several utility functions to transform back and forth google.maps objects and Feature of their corresponding type
See utils.
FAQs
A bridge to use Turf along with google Maps API
The npm package turf-google-maps receives a total of 60 weekly downloads. As such, turf-google-maps popularity was classified as not popular.
We found that turf-google-maps demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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