在Google Earth 自动生成地理信息 C#

最新推荐文章于 2022-12-13 21:01:01 发布

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#c# #google #null #pair #button #object

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本文介绍了一个使用C#生成KML文件的具体实例，包括文档结构搭建、样式定义及点、线等地形元素的创建过程。通过该示例可以了解如何利用C#进行地理信息系统的KML文件开发。

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private void button1_Click(object sender, System.EventArgs e)

{

//作者杨义贤

XmlDeclaration xmlDec;

XmlDocument xmlDoc;

// XmlElement xmlElement;

XmlElement xmlElementKML;

XmlElement xmlElementDocument;

XmlElement xmlElementStyle;

XmlElement xmlElementScale;

XmlElement xmlElementIcon;

XmlElement xmlElementHref;

XmlElement xmlElementStyleMap;

XmlElement xmlElementPair;

XmlElement xmlElementKey;

XmlElement xmlElementStyleURL;

XmlElement xmlElementFolder;

XmlElement xmlElementPlaceMark;

XmlElement xmlElementTessellate;

XmlElement xmlElementCoordinates;

XmlElement xmlElementPoint;

XmlElement xmlElementName;

XmlElement xmlElementDescription;

XmlElement xmlElementLineString;

XmlElement xmlElementAddress;

XmlElement xmlElementLookAt;

XmlElement xmlElementLongitude;

XmlElement xmlElementLatitude;

XmlElement xmlElementAltitude;

XmlElement xmlElementRange;

XmlElement xmlElementTilt;

XmlElement xmlElementHeading;

// XmlElement ele;

XmlAttribute xmlAttribute;

//初始化XmlDocument

xmlDoc = new XmlDocument();

///添加说明

xmlDec = xmlDoc.CreateXmlDeclaration("1.0","UTF-8","");

xmlDoc.AppendChild(xmlDec);

xmlDec = null;

//添加KML

xmlElementKML = xmlDoc.CreateElement("kml");

xmlAttribute = xmlDoc.CreateAttribute("xmlns");

xmlAttribute.Value = "http://earth.google.com/kml/2.1";

xmlElementKML.Attributes.Append(xmlAttribute);

xmlAttribute = null;

xmlDoc.AppendChild(xmlElementKML);

//添加Document节点

xmlElementDocument = xmlDoc.CreateElement("Document");

xmlElementKML.AppendChild(xmlElementDocument);

//创建Name

xmlElementName = xmlDoc.CreateElement("name");

xmlElementName.InnerText = "Document Name";

xmlElementDocument.AppendChild(xmlElementName);

//创建Style

xmlElementStyle = xmlDoc.CreateElement("Style");

xmlElementDocument.AppendChild(xmlElementStyle);

//创建StyleID

xmlAttribute = xmlDoc.CreateAttribute("id");

xmlAttribute.Value = "styleid1";

xmlElementStyle.Attributes.Append(xmlAttribute);

//创建scale

xmlElementScale = xmlDoc.CreateElement("scale");

xmlElementScale.InnerText = "1.0";

xmlElementStyle.AppendChild(xmlElementScale);

//创建Icon

xmlElementIcon = xmlDoc.CreateElement("Icon");

xmlElementStyle.AppendChild(xmlElementIcon);

//添加href

xmlElementHref = xmlDoc.CreateElement("href");

xmlElementHref.InnerText = "http://192.168.0.4/fm/images/text.png";

xmlElementIcon.AppendChild(xmlElementHref);

//创建Style

xmlElementStyle = xmlDoc.CreateElement("Style");

xmlElementDocument.AppendChild(xmlElementStyle);

//StyleID

xmlAttribute = xmlDoc.CreateAttribute("id");

xmlAttribute.Value = "styleid2";

xmlElementStyle.Attributes.Append(xmlAttribute);

//创建scale

xmlElementScale = xmlDoc.CreateElement("scale");

xmlElementScale.InnerText = "1.1";

xmlElementStyle.AppendChild(xmlElementScale);

//创建Icon

xmlElementIcon = xmlDoc.CreateElement("Icon");

xmlElementStyle.AppendChild(xmlElementIcon);

//添加href

xmlElementHref = xmlDoc.CreateElement("href");

xmlElementHref.InnerText = "http://192.168.0.4/fm/images/text.png";

xmlElementIcon.AppendChild(xmlElementHref);

//创建StyleMap

xmlElementStyleMap = xmlDoc.CreateElement("StyleMap");

xmlElementDocument.AppendChild(xmlElementStyleMap);

//添加Pair

xmlElementPair = xmlDoc.CreateElement("Pair");

xmlElementStyleMap.AppendChild(xmlElementPair);

//添加key

xmlElementKey = xmlDoc.CreateElement("key");

xmlElementKey.InnerText = "normal";

xmlElementPair.AppendChild(xmlElementKey);

//添加styleurl

xmlElementStyleURL = xmlDoc.CreateElement("styleUrl");

xmlElementStyleURL.InnerText = "styleid1";

xmlElementPair.AppendChild(xmlElementStyleURL);

//添加Pair

xmlElementPair = xmlDoc.CreateElement("Pair");

xmlElementStyleMap.AppendChild(xmlElementPair);

//添加key

xmlElementKey = xmlDoc.CreateElement("key");

xmlElementKey.InnerText = "highlight";

xmlElementPair.AppendChild(xmlElementKey);

//添加styleurl

xmlElementStyleURL = xmlDoc.CreateElement("styleUrl");

xmlElementStyleURL.InnerText = "styleid1";

xmlElementPair.AppendChild(xmlElementStyleURL);

//创建Folder

xmlElementFolder = xmlDoc.CreateElement("Folder");

//xmlElementFolder.InnerText = "Folder";

xmlElementDocument.AppendChild(xmlElementFolder);

//创建Placemark

xmlElementPlaceMark = xmlDoc.CreateElement("Placemark");

xmlElementFolder.AppendChild(xmlElementPlaceMark);

//创建Name

xmlElementName = xmlDoc.CreateElement("name");

xmlElementName.InnerText = "Point Name";

xmlElementPlaceMark.AppendChild(xmlElementName);

//创建LookAt

xmlElementLookAt = xmlDoc.CreateElement("LookAt");

xmlElementPlaceMark.AppendChild(xmlElementLookAt);

//经度

xmlElementLongitude = xmlDoc.CreateElement("longitude");

xmlElementLongitude.InnerText = "117.00000000";

xmlElementLookAt.AppendChild(xmlElementLongitude);

//纬度

xmlElementLatitude = xmlDoc.CreateElement("latitude");

xmlElementLatitude.InnerText = "39.00000000";

xmlElementLookAt.AppendChild(xmlElementLatitude);

//高度

xmlElementAltitude = xmlDoc.CreateElement("altitude");

xmlElementAltitude.InnerText = "0";

xmlElementLookAt.AppendChild(xmlElementAltitude);

//range

xmlElementRange = xmlDoc.CreateElement("range");

xmlElementRange.InnerText = "0";

xmlElementLookAt.AppendChild(xmlElementRange);

//tilt

xmlElementTilt = xmlDoc.CreateElement("tilt");

xmlElementTilt.InnerText = "0";

xmlElementLookAt.AppendChild(xmlElementTilt);

//heading

xmlElementHeading = xmlDoc.CreateElement("heading");

xmlElementHeading.InnerText = "0";

xmlElementLookAt.AppendChild(xmlElementHeading);

//创建Address

xmlElementAddress = xmlDoc.CreateElement("Address");

xmlElementAddress.InnerText = "Point Address";

xmlElementPlaceMark.AppendChild(xmlElementAddress);

//创建styleUrl

xmlElementStyleURL = xmlDoc.CreateElement("styleUrl");

xmlElementStyleURL.InnerText = "Point Style";

xmlElementPlaceMark.AppendChild(xmlElementStyleURL);

//创建Point

xmlElementPoint = xmlDoc.CreateElement("Point");

xmlElementPlaceMark.AppendChild(xmlElementPoint);

//创建coordinates

xmlElementCoordinates = xmlDoc.CreateElement("coordinates");

xmlElementCoordinates.InnerText = "117.1456505702926,38.63631914232371,0";

xmlElementPoint.AppendChild(xmlElementCoordinates);

//创建Placemark

xmlElementPlaceMark = xmlDoc.CreateElement("Placemark");

xmlElementFolder.AppendChild(xmlElementPlaceMark);

//创建Name

xmlElementName = xmlDoc.CreateElement("name");

xmlElementName.InnerText = "Line String Name";

xmlElementPlaceMark.AppendChild(xmlElementName);

//创建Description

xmlElementDescription = xmlDoc.CreateElement("description");

xmlElementDescription.InnerText = "Line String Description";

xmlElementPlaceMark.AppendChild(xmlElementDescription);

//创建styleUrl

xmlElementStyleURL = xmlDoc.CreateElement("styleUrl");

xmlElementStyleURL.InnerText = "Line String Style URL";

xmlElementPlaceMark.AppendChild(xmlElementStyleURL);

//创建LineString

xmlElementLineString = xmlDoc.CreateElement("LineString");

xmlElementPlaceMark.AppendChild(xmlElementLineString);

//创建Tessellate

xmlElementTessellate = xmlDoc.CreateElement("tessellate");

xmlElementTessellate.InnerText = "1";

xmlElementLineString.AppendChild(xmlElementTessellate);

//创建coordinates

xmlElementCoordinates = xmlDoc.CreateElement("coordinates");

xmlElementCoordinates.InnerText = "117.1456505702926,38.63631914232371,0 117.1456606471506,38.63592706733432,0";

xmlElementLineString.AppendChild(xmlElementCoordinates);

// xmlElement = xmlDoc.CreateElement("kml");

// xmlDoc.AppendChild(xmlElement);

// ele = doc.CreateElement("Book");

//// ele.Value = "C#";

// element.AppendChild(ele);

// xmlAttribute = doc.CreateAttribute("UserName");

// attribute.Value = "Jihui";

// ele.Attributes.Append(attribute);

try

{

xmlDoc.Save("d:/doc.kml");

C1ZipFile c1Zip;//Component one 控件自带的压缩控件

c1Zip = new C1ZipFile();

c1Zip.Create("d:/MyGE.kmz");

c1Zip.Entries.Add("d:/doc.kml");

}

catch(Exception ex)

{

string strMessage;

strMessage = ex.Message;

}

finally

{

xmlElementKML = null;

xmlElementDocument = null;

xmlElementFolder = null;

xmlElementPlaceMark = null;

xmlElementPoint = null;

xmlElementName = null;

xmlElementDescription = null;

xmlElementLineString = null;

}