Маніпулювання або Генерація KML Файлу в C#
Contents
[
Hide
]
KML Файли
Aspose.GIS дозволяє відкривати та читати об’єкти з файлів Keyhole Markup Language (KML).
Створення KML Файлу
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// 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); | |
} |
Читання Об’єктів з KML Файлу
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// 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")); | |
} | |
Читання Об’єктів з Неправильного KML Файлу
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// 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")); | |
} | |
} | |
Експорт стильових властивостей до KML
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// 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); | |
} |