@turf/dissolve
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    6.5.0 • Public • Published

    @turf/dissolve

    dissolve

    Dissolves a FeatureCollection of polygon features, filtered by an optional property name:value. Note that mulitpolygon features within the collection are not supported

    Parameters

    • featureCollection FeatureCollection<Polygon> input feature collection to be dissolved
    • options Object Optional parameters (optional, default {})
      • options.propertyName string? features with equals 'propertyName' in properties will be merged

    Examples

    var features = turf.featureCollection([
      turf.polygon(
        [
          [
            [0, 0],
            [0, 1],
            [1, 1],
            [1, 0],
            [0, 0],
          ],
        ],
        { combine: "yes" }
      ),
      turf.polygon(
        [
          [
            [0, -1],
            [0, 0],
            [1, 0],
            [1, -1],
            [0, -1],
          ],
        ],
        { combine: "yes" }
      ),
      turf.polygon(
        [
          [
            [1, -1],
            [1, 0],
            [2, 0],
            [2, -1],
            [1, -1],
          ],
        ],
        { combine: "no" }
      ),
    ]);
    
    var dissolved = turf.dissolve(features, { propertyName: "combine" });
    
    //addToMap
    var addToMap = [features, dissolved];

    Returns FeatureCollection<Polygon> a FeatureCollection containing the dissolved polygons


    This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

    Installation

    Install this module individually:

    $ npm install @turf/dissolve

    Or install the Turf module that includes it as a function:

    $ npm install @turf/turf

    Install

    npm i @turf/dissolve

    DownloadsWeekly Downloads

    140,600

    Version

    6.5.0

    License

    MIT

    Unpacked Size

    10.9 kB

    Total Files

    7

    Last publish

    Collaborators

    • twelch
    • jamesmilneruk
    • rowanwins
    • tmcw
    • morganherlocker
    • tcql
    • mdfedderly