L.Control.LineStringSelect 
LineString selection tool: you can select a part or a stretch of a polyline on the map. Performance-oriented, uses rbush for segment lookup
Demo
Look how this thing deals with a coastline polyline consisting of ~500 points
Options
| Option | type | default value |
|---|---|---|
startMarkerClass |
string |
'select-marker select-start-marker' |
endMarkerClass |
string |
'select-marker select-end-marker' |
movingMarkerClass |
string |
'select-marker select-moving-marker' |
name |
string |
'leaflet-linestring-select' |
lineWeight |
number |
4 |
lineTolerance |
number |
L.Browser.mobile ? 10 : 5 |
movingMarkerStyle |
L.CircleMarcerOptions |
{ |
endpointStyle |
L.CircleMarcerOptions |
{ |
selectionStyle |
L.PolylineOptions |
{ |
useTouch |
boolean |
L.Browser.mobile |
position |
`'topright' | 'topleft' |
API
.enable({layer: polyline, feature: feature})
Enables control, initializes it with provided polyline. You can pass GeoJSON object as well, otherwise it will be auto-generated
.disable()
Disable control, remove handlers and selection
.reset()
Reset selection
.selectMeters(startMeter, endMeter)
Select stretch by meter distances from linestring start.
.toGeoJSON()
Returns selection GeoJSON
.getSelection()
Returns array of selection L.LatLngs
Events
selection
Selection changed or finished.
reset
Selection cleared
select:start : {pos: <L.LatLng>}
First point set
select:end : {pos: <L.LatLng>}
Second point set
Usage
npm install --save leaflet-linestring-select
...
var Select = require('leaflet-linestring-select');or
<script type="text/javascript" src="leaflet.js"></script>
<script type="text/javascript" src="path/to/L.Control.LineStringSelect.min.js"></script>
See /examples/app.js for initialization and other things
Requirements
leaflet@>=1.xrbush@>=3.x
License
The MIT License (MIT)
Copyright (c) 2019 Alexander Milevski
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.