fixed dependencies

vendor/github.com/paulmach/orb/define.go

@@ -0,0 +1,44 @@
+package orb
+
+// EarthRadius is the radius of the earth in meters. It is used in geo distance calculations.
+// To keep things consistent, this value matches WGS84 Web Mercator (EPSG:3857).
+const EarthRadius = 6378137.0 // meters
+
+// DefaultRoundingFactor is the default rounding factor used by the Round func.
+var DefaultRoundingFactor = 1e6 // 6 decimal places
+
+// Orientation defines the order of the points in a polygon
+// or closed ring.
+type Orientation int8
+
+// Constants to define orientation.
+// They follow the right hand rule for orientation.
+const (
+	// CCW stands for Counter Clock Wise
+	CCW Orientation = 1
+
+	// CW stands for Clock Wise
+	CW Orientation = -1
+)
+
+// A DistanceFunc is a function that computes the distance between two points.
+type DistanceFunc func(Point, Point) float64
+
+// A Projection a function that moves a point from one space to another.
+type Projection func(Point) Point
+
+// Pointer is something that can be represented by a point.
+type Pointer interface {
+	Point() Point
+}
+
+// A Simplifier is something that can simplify geometry.
+type Simplifier interface {
+	Simplify(g Geometry) Geometry
+	LineString(ls LineString) LineString
+	MultiLineString(mls MultiLineString) MultiLineString
+	Ring(r Ring) Ring
+	Polygon(p Polygon) Polygon
+	MultiPolygon(mp MultiPolygon) MultiPolygon
+	Collection(c Collection) Collection
+}