ジオメトリコンストラクタ
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ポイントジオメトリ
ポイントの作成
APIを使用して測地ポイントを作成するのは簡単です。以下のコードサンプルを参照してください。
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| Point point = new Point(40.7128, -74.006); |
マルチポイントの作成
Aspose.GIS for .NETは、複数のポイントを単一のMultiPointクラスとして表現する機能を提供します。各ポイントの緯度経度情報によって定義された1つまたは複数のポイントを含めることができます。
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| MultiPoint multipoint = new MultiPoint(); | |
| multipoint.Add(new Point(1, 2)); | |
| multipoint.Add(new Point(3, 4)); |
ラインストリングジオメトリ
ポイントジオメトリを指定してラインストリングを作成できます。
ラインストリングの作成
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| LineString line = new LineString(); | |
| line.AddPoint(78.65, -32.65); | |
| line.AddPoint(-98.65, 12.65); |
マルチラインストリングの作成
マルチラインストリングは、Pointジオメトリから構築されたLine Stringのコレクションです。
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| LineString firstLine = new LineString(); | |
| firstLine.AddPoint(7.5, -3.5); | |
| firstLine.AddPoint(-9.6, 12.6); | |
| LineString secondLine = new LineString(); | |
| secondLine.AddPoint(8.5, -2.6); | |
| secondLine.AddPoint(-8.6, 1.5); | |
| MultiLineString multiLineString = new MultiLineString(); | |
| multiLineString.Add(firstLine); | |
| multiLineString.Add(secondLine); |
ポリゴンジオメトリ
ポリゴンは、LinearRingの形式でポイントによって定義されたPointジオメトリのコレクションです。
ポリゴンの作成
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| Polygon polygon = new Polygon(); | |
| LinearRing ring = new LinearRing(); | |
| ring.AddPoint(50.02, 36.22); | |
| ring.AddPoint(49.99, 36.26); | |
| ring.AddPoint(49.97, 36.23); | |
| ring.AddPoint(49.98, 36.17); | |
| ring.AddPoint(50.02, 36.22); | |
| polygon.ExteriorRing = ring; |
マルチポリゴンの作成
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| LinearRing firstRing = new LinearRing(); | |
| firstRing.AddPoint(8.5, -2.5); | |
| firstRing.AddPoint(-8.5, 2.5); | |
| firstRing.AddPoint(8.5, -2.5); | |
| Polygon firstPolygon = new Polygon(firstRing); | |
| LinearRing secondRing = new LinearRing(); | |
| secondRing.AddPoint(7.6, -3.6); | |
| secondRing.AddPoint(-9.6, 1.5); | |
| secondRing.AddPoint(7.6, -3.6); | |
| Polygon secondPolygon = new Polygon(secondRing); | |
| MultiPolygon multiPolygon = new MultiPolygon(); | |
| multiPolygon.Add(firstPolygon); | |
| multiPolygon.Add(secondPolygon); |
穴のあるポリゴンの作成
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| Polygon polygon = new Polygon(); | |
| LinearRing ring = new LinearRing(); | |
| ring.AddPoint(50.02, 36.22); | |
| ring.AddPoint(49.99, 36.26); | |
| ring.AddPoint(49.97, 36.23); | |
| ring.AddPoint(49.98, 36.17); | |
| ring.AddPoint(50.02, 36.22); | |
| LinearRing hole = new LinearRing(); | |
| hole.AddPoint(50.00, 36.22); | |
| hole.AddPoint(49.99, 36.20); | |
| hole.AddPoint(49.98, 36.23); | |
| hole.AddPoint(50.00, 36.24); | |
| hole.AddPoint(50.00, 36.22); | |
| polygon.ExteriorRing = ring; | |
| polygon.AddInteriorRing(hole); |
ジオメトリコレクションの作成
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| // For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
| Point point = new Point(40.7128, -74.006); | |
| LineString line = new LineString(); | |
| line.AddPoint(78.65, -32.65); | |
| line.AddPoint(-98.65, 12.65); | |
| GeometryCollection geometryCollection = new GeometryCollection(); | |
| geometryCollection.Add(point); | |
| geometryCollection.Add(line); |