C#에서 KML 파일 조작 또는 생성
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KML 파일
Aspose.GIS를 사용하면 Keyhole Markup Language (KML) 파일에서 기능을 열고 읽을 수 있습니다.
KML 파일 생성
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// For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
using (var layer = Drivers.Kml.CreateLayer(dataDir + "Kml_File_out.kml")) | |
{ | |
layer.Attributes.Add(new FeatureAttribute("string_data", AttributeDataType.String)); | |
layer.Attributes.Add(new FeatureAttribute("int_data", AttributeDataType.Integer)); | |
layer.Attributes.Add(new FeatureAttribute("bool_data", AttributeDataType.Boolean)); | |
layer.Attributes.Add(new FeatureAttribute("float_data", AttributeDataType.Double)); | |
Feature feature = layer.ConstructFeature(); | |
feature.SetValue("string_data", "string value"); | |
feature.SetValue("int_data", 10); | |
feature.SetValue("bool_data", true); | |
feature.SetValue("float_data", 3.14); | |
feature.Geometry = new LineString(new[] { new Point(0, 0), new Point(1, 1) }); | |
layer.Add(feature); | |
Feature feature2 = layer.ConstructFeature(); | |
feature2.SetValue("string_data", "string value2"); | |
feature2.SetValue("int_data", 100); | |
feature2.SetValue("bool_data", false); | |
feature2.SetValue("float_data", 3.1415); | |
feature2.Geometry = Geometry.Null; | |
layer.Add(feature2); | |
} |
KML 파일에서 기능 읽기
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// For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
using (var layer = Drivers.Kml.OpenLayer(dataDir + "kml_file.kml")) | |
{ | |
// get feratures count | |
int count = layer.Count; | |
// get feature at index 1 | |
Feature featureAtIndex1 = layer[0]; | |
Console.WriteLine(featureAtIndex1.GetValue<string>("string_data")); | |
Feature featureAtIndex2 = layer[1]; | |
Console.WriteLine(featureAtIndex2.GetValue<string>("string_data")); | |
} | |
유효하지 않은 KML 파일에서 기능 읽기
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// For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
var path = dataDir + "kml_invalid_chars.kml"; | |
using (var layer = Drivers.Kml.OpenLayer(path, new KmlOptions() { SymbolToReplaceInvalidChars = '_' } )) | |
{ | |
foreach (var feature in layer) | |
{ | |
Console.WriteLine(feature.GetValue("name")); | |
Console.WriteLine(feature.GetValue("description")); | |
} | |
} | |
KML로 스타일 속성 내보내기
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// For complete examples and data files, please go to https://github.com/aspose-gis/Aspose.GIS-for-.NET | |
using (var layer = Drivers.Kml.CreateLayer(dataDir + "Kml_Styles_out.kml")) | |
{ | |
var style = new KmlFeatureStyle | |
{ | |
Line = new KmlLineStyle() { Width = 2.0 }, | |
Polygon = new KmlPolygonStyle() { Outline = false }, | |
Icon = new KmlIconStyle() { Resource = new KmlIconResource() { Href = "url" } }, | |
Label = new KmlLabelStyle() { Color = Color.Green }, | |
Balloon = new KmlBalloonStyle() { BackgroundColor = Color.Aqua, Text = "Example" }, | |
List = new KmlListStyle() { ItemType = KmlItemTypes.RadioFolder }, | |
}; | |
Feature feature = layer.ConstructFeature(); | |
feature.Geometry = new LineString(new[] { new Point(0, 0), new Point(1, 1) }); | |
layer.Add(feature, style); | |
Feature feature2 = layer.ConstructFeature(); | |
feature2.Geometry = new Point(5, 5); | |
layer.Add(feature2, style); | |
} |