-
-
Notifications
You must be signed in to change notification settings - Fork 17
Expand file tree
/
Copy pathMultiPoint.cs
More file actions
129 lines (113 loc) · 3.88 KB
/
MultiPoint.cs
File metadata and controls
129 lines (113 loc) · 3.88 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
// Copyright © Joerg Battermann 2014, Matt Hunt 2017
using GeoJSON.Text.Converters;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text.Json.Serialization;
namespace GeoJSON.Text.Geometry
{
/// <summary>
/// Contains an array of <see cref="Point" />.
/// </summary>
/// <remarks>
/// See https://tools.ietf.org/html/rfc7946#section-3.1.3
/// </remarks>
public class MultiPoint : GeoJSONObject, IGeometryObject, IEqualityComparer<MultiPoint>, IEquatable<MultiPoint>
{
public MultiPoint()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiPoint" /> class.
/// </summary>
/// <param name="coordinates">The coordinates.</param>
public MultiPoint(IEnumerable<Point> coordinates)
{
Coordinates = new ReadOnlyCollection<Point>(coordinates?.ToArray() ?? Array.Empty<Point>());
}
//[JsonConstructor]
public MultiPoint(IEnumerable<IEnumerable<double>> coordinates)
: this(coordinates?.Select(position => new Point(position.ToPosition()))
?? throw new ArgumentNullException(nameof(coordinates)))
{
}
[JsonPropertyName("type")]
[JsonIgnore(Condition = JsonIgnoreCondition.Never)]
public override GeoJSONObjectType Type => GeoJSONObjectType.MultiPoint;
/// <summary>
/// The points contained in this <see cref="MultiPoint"/>.
/// </summary>
[JsonPropertyName("coordinates")]
[JsonConverter(typeof(PointEnumerableConverter))]
public ReadOnlyCollection<Point> Coordinates { get; set; }
#region IEqualityComparer, IEquatable
/// <summary>
/// Determines whether the specified object is equal to the current object
/// </summary>
public override bool Equals(object obj)
{
return Equals(this, obj as MultiPoint);
}
/// <summary>
/// Determines whether the specified object is equal to the current object
/// </summary>
public bool Equals(MultiPoint other)
{
return Equals(this, other);
}
/// <summary>
/// Determines whether the specified object instances are considered equal
/// </summary>
public bool Equals(MultiPoint left, MultiPoint right)
{
if (base.Equals(left, right))
{
return left.Coordinates.SequenceEqual(right.Coordinates);
}
return false;
}
/// <summary>
/// Determines whether the specified object instances are considered equal
/// </summary>
public static bool operator ==(MultiPoint left, MultiPoint right)
{
if (ReferenceEquals(left, right))
{
return true;
}
if (right is null)
{
return false;
}
return left != null && left.Equals(right);
}
/// <summary>
/// Determines whether the specified object instances are not considered equal
/// </summary>
public static bool operator !=(MultiPoint left, MultiPoint right)
{
return !(left == right);
}
/// <summary>
/// Returns the hash code for this instance
/// </summary>
public override int GetHashCode()
{
int hash = base.GetHashCode();
foreach (var item in Coordinates)
{
hash = (hash * 397) ^ item.GetHashCode();
}
return hash;
}
/// <summary>
/// Returns the hash code for the specified object
/// </summary>
public int GetHashCode(MultiPoint other)
{
return other.GetHashCode();
}
#endregion
}
}