# lineOverlap
Takes any LineString or Polygon and returns the overlapping lines between both features.
获取任何LineString或Polygon,并返回两个Feature之间的重叠线。
参数
| 参数 | 类型 | 描述 |
|---|---|---|
| line1 | (Geometry|Feature <(LineString|MultiLineString|Polygon|MultiPolygon)>) | any LineString or Polygon |
| line2 | (Geometry|Feature <(LineString|MultiLineString|Polygon|MultiPolygon)>) | any LineString or Polygon |
| options | Object | 可选参数:见下文 |
options选项
| 属性 | 类型 | 默认值 | 描述 |
|---|---|---|---|
| tolerance | number | 0 | Tolerance distance to match overlapping line segments (in kilometers) |
返回
FeatureCollection <LineString> - lines(s) that are overlapping between both features
示例
var line1 = turf.lineString([[115, -35], [125, -30], [135, -30], [145, -35]]);
var line2 = turf.lineString([[115, -25], [125, -30], [135, -30], [145, -25]]);
var overlapping = turf.lineOverlap(line1, line2);