57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package orb
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// A MultiPoint represents a set of points in the 2D Eucledian or Cartesian plane.
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type MultiPoint []Point
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// GeoJSONType returns the GeoJSON type for the object.
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func (mp MultiPoint) GeoJSONType() string {
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return "MultiPoint"
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}
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// Dimensions returns 0 because a MultiPoint is a 0d object.
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func (mp MultiPoint) Dimensions() int {
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return 0
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}
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// Clone returns a new copy of the points.
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func (mp MultiPoint) Clone() MultiPoint {
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if mp == nil {
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return nil
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}
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points := make([]Point, len(mp))
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copy(points, mp)
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return MultiPoint(points)
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}
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// Bound returns a bound around the points. Uses rectangular coordinates.
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func (mp MultiPoint) Bound() Bound {
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if len(mp) == 0 {
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return emptyBound
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}
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b := Bound{mp[0], mp[0]}
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for _, p := range mp {
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b = b.Extend(p)
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}
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return b
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}
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// Equal compares two MultiPoint objects. Returns true if lengths are the same
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// and all points are Equal, and in the same order.
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func (mp MultiPoint) Equal(multiPoint MultiPoint) bool {
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if len(mp) != len(multiPoint) {
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return false
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}
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for i := range mp {
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if !mp[i].Equal(multiPoint[i]) {
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return false
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}
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}
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return true
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}
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