innerlines.md
In rmapshaper: Client for 'mapshaper' for 'Geospatial' Operations

ms_innerlines works with all classes

{
  "type": "character",
  "attributes": {
    "class": {
      "type": "character",
      "attributes": {},
      "value": ["geojson", "json"]
    }
  },
  "value": ["{\"type\":\"FeatureCollection\", \"features\": [\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,3],[103,2]]},\"properties\":{\"rmapshaperid\":0}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,2],[102,2]]},\"properties\":{\"rmapshaperid\":1}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[104,2],[103,2]]},\"properties\":{\"rmapshaperid\":2}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,2],[103,1]]},\"properties\":{\"rmapshaperid\":3}}\n]}"]
}

ms_innerlines works with sys = TRUE

{
  "type": "character",
  "attributes": {
    "class": {
      "type": "character",
      "attributes": {},
      "value": ["geojson", "json"]
    }
  },
  "value": ["{\"type\":\"FeatureCollection\", \"features\": [\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,3],[103,2]]},\"properties\":{\"rmapshaperid\":0}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,2],[102,2]]},\"properties\":{\"rmapshaperid\":1}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[104,2],[103,2]]},\"properties\":{\"rmapshaperid\":2}},\n{\"type\":\"Feature\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[103,2],[103,1]]},\"properties\":{\"rmapshaperid\":3}}\n]}"]
}

{
  "type": "character",
  "attributes": {
    "class": {
      "type": "character",
      "attributes": {},
      "value": ["geojson", "json"]
    }
  },
  "value": ["{\"type\":\"GeometryCollection\", \"geometries\": [\n{\"type\":\"LineString\",\"coordinates\":[[103,3],[103,2]]},\n{\"type\":\"LineString\",\"coordinates\":[[103,2],[102,2]]},\n{\"type\":\"LineString\",\"coordinates\":[[104,2],[103,2]]},\n{\"type\":\"LineString\",\"coordinates\":[[103,2],[103,1]]}\n]}"]
}