public void DeleteBuffer()
{
try
{
mRecordset.DeleteAll();
if (mLayerBuffer != null)
{
mSceneControl.Scene.Layers.Remove(mLayerBuffer.Name);
mLayerBuffer = null;
}
mSceneControl.Scene.Refresh();
if (mBufferDataset != null)
{
mDatasource.Datasets.Delete(mBufferDataset.Name);
mBufferDataset = null;
}
}
catch (System.Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public string TransFile(byte[] fileBt, double width, string fileName, bool ifCreate)
{
// 0长度文件返回 0
string rst = "0";
if (fileBt.Length == 0)
{
return(rst);
}
string filePath = Server.MapPath(System.Configuration.ConfigurationManager.AppSettings["CSVPath"].ToString()); //存储文件路径
//创建系统日期文件夹,避免同一文件夹下文件太多问题，避免同一地图应文档重名
filePath = filePath + DateTime.Now.ToString("yyyyMMdd") + "\\";
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
FileStream fstream;
//是否创建新文件
if (ifCreate)
{
fstream = new FileStream(filePath + fileName, FileMode.Create);
}
else
{
fstream = new FileStream(filePath + fileName, FileMode.Append);
}
try
{
fstream.Write(fileBt, 0, fileBt.Length); //二进制转换成文件
//上传成功返回 1
fstream.Close();
}
catch (Exception ex)
{
//上传失败返回 1
rst = "error";
}
finally
{
fstream.Close();
}
//读取坐标文件转换面积
//设置为实际值
string imgPath = filePath + fileName;
//坐标点导入处理
StreamReader objReader = new StreamReader(imgPath);
string sLine = "";
ArrayList LineList = new ArrayList();
while (sLine != null)
{
sLine = objReader.ReadLine();
if (sLine != null && !sLine.Equals(""))
{
LineList.Add(sLine);
}
}
objReader.Close();
bool isrewrite = true;
string sourcePath = Server.MapPath(System.Configuration.ConfigurationManager.AppSettings["sourcePath"].ToString()); //存储文件路径
string targetPath = Server.MapPath(System.Configuration.ConfigurationManager.AppSettings["targetPath"].ToString()); //存储文件路径 String targetPath = str + "\\tempFolder\\temp_gkfqd.shp";
string temp = GenerateRandomCode(10);
targetPath = targetPath + DateTime.Now.ToString("yyyyMMdd") + "\\";
if (!Directory.Exists(targetPath))
{
Directory.CreateDirectory(targetPath);
}
targetPath = targetPath + temp + "\\";
if (!Directory.Exists(targetPath))
{
Directory.CreateDirectory(targetPath);
}
System.IO.File.Copy(sourcePath + "testG.smwu", targetPath + "testG.smwu", isrewrite);
System.IO.File.Copy(sourcePath + "test.udd", targetPath + "test.udd", isrewrite);
System.IO.File.Copy(sourcePath + "test.udb", targetPath + "test.udb", isrewrite);
this.fileWorkspace = new SuperMap.Data.Workspace();
string workSpaceFilePath = Server.MapPath(System.Configuration.ConfigurationManager.AppSettings["BinPath"].ToString()); //存储文件路径
try
{
//打开工作空间及地图文件类型
WorkspaceConnectionInfo conInfo = new WorkspaceConnectionInfo(targetPath + "testG.smwu");
fileWorkspace.Open(conInfo);
fileDatasource = fileWorkspace.Datasources["test"];
sourceDatasetVector = fileDatasource.Datasets["dataT"] as DatasetVector;
Recordset recordset = (sourceDatasetVector as DatasetVector).GetRecordset(false, CursorType.Dynamic);
// 获得记录集对应的批量更新对象
Recordset.BatchEditor editor = recordset.Batch;
// 开始批量添加，将 example 数据集每条记录对应的几何对象添加到数据集中
editor.Begin();
//删除所有记录
recordset.DeleteAll();
Point2Ds points = new Point2Ds();
for (int i = 1; i < LineList.Count - 1; i++)
{
string[] fieldInfoListZ = LineList[i].ToString().Split(',');
Point2D point2D = new Point2D();
point2D.X = double.Parse(fieldInfoListZ[0].ToString());
point2D.Y = double.Parse(fieldInfoListZ[1].ToString());
points.Add(point2D);
}
GeoLine geolineE = new GeoLine();
geolineE.AddPart(points);
recordset.AddNew(geolineE);
editor.Update();
//调用创建矢量数据集缓冲区方法
//设置缓冲区分析参数
BufferAnalystParameter bufferAnalystParam = new BufferAnalystParameter();
//FLAT:平头缓冲。ROUND:圆头缓冲。
bufferAnalystParam.EndType = BufferEndType.Flat;
//左侧缓冲距离，单位：米。
bufferAnalystParam.LeftDistance = width / 2;
//右侧缓冲距离，单位：米。
bufferAnalystParam.RightDistance = width / 2;
String bufferName = "bufferRegionDt";
bufferName = fileDatasource.Datasets.GetAvailableDatasetName(bufferName);
m_bufferDataset = fileDatasource.Datasets.Create(new DatasetVectorInfo(bufferName, DatasetType.Region));
//设置投影信息 不设置 报投影不一致错误
m_bufferDataset.Datasource.Datasets["bufferRegionDt"].PrjCoordSys = (fileDatasource.Datasets["dataT"] as DatasetVector).PrjCoordSys;
Boolean isTrue = SuperMap.Analyst.SpatialAnalyst.BufferAnalyst.CreateBuffer(recordset, m_bufferDataset, bufferAnalystParam, false, true);
Recordset recordsetS = m_bufferDataset.Query("SmID=1", CursorType.Static);
pfm = double.Parse(recordsetS.GetFieldValue("SMAREA").ToString());
mu = pfm * 0.0015;
double gongqing = 0.0666667 * mu;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
rst = String.Format("{0:F2}", mu);
fileWorkspace.Close();
return(rst);
}
public string TransFile(byte[] fileBt, string fileName, bool ifCreate)
{
// 0长度文件返回 0
string rst = "0";
if (fileBt.Length == 0)
{
return(rst);
}
string filePath = Server.MapPath(System.Configuration.ConfigurationManager.AppSettings["CSVPath"].ToString()); //存储文件路径
//创建系统日期文件夹,避免同一文件夹下文件太多问题，避免同一地图应文档重名
// filePath = filePath + DateTime.Now.ToString("yyyyMMdd") + "\\";
if (!Directory.Exists(filePath))
{
// Create the directory it does not exist.
Directory.CreateDirectory(filePath);
}
FileStream fstream;
//是否创建新文件
if (ifCreate)
{
fstream = new FileStream(filePath + fileName, FileMode.Create);
}
else
{
fstream = new FileStream(filePath + fileName, FileMode.Append);
}
try
{
fstream.Write(fileBt, 0, fileBt.Length); //二进制转换成文件
//上传成功返回 1
fstream.Close();
}
catch (Exception ex)
{
//上传失败返回 1
rst = "error";
}
finally
{
fstream.Close();
}
//读取坐标文件转换面积
string imgPath = "d:/zuobiao.txt";
//坐标点导入处理
StreamReader objReader = new StreamReader(imgPath);
string sLine = "";
ArrayList LineList = new ArrayList();
while (sLine != null)
{
sLine = objReader.ReadLine();
if (sLine != null && !sLine.Equals(""))
{
LineList.Add(sLine);
}
}
objReader.Close();
this.fileWorkspace = new SuperMap.Data.Workspace();
try
{
//打开工作空间及地图文件类型
WorkspaceConnectionInfo conInfo = new WorkspaceConnectionInfo(@"d:\testG.smwu");
fileWorkspace.Open(conInfo);
fileDatasource = fileWorkspace.Datasources["test"];
sourceDatasetVector = fileDatasource.Datasets["dataT"] as DatasetVector;
//Recordset recordset = new Recordset();
Recordset recordset = (sourceDatasetVector as DatasetVector).GetRecordset(false, CursorType.Dynamic);
// 获得记录集对应的批量更新对象
Recordset.BatchEditor editor = recordset.Batch;
// 开始批量添加，将 example 数据集每条记录对应的几何对象添加到数据集中
editor.Begin();
//删除所有记录
recordset.DeleteAll();
Point2Ds points = new Point2Ds();
for (int i = 1; i < LineList.Count - 1; i++)
{
string[] fieldInfoListZ = LineList[i].ToString().Split(',');
Point2D point2D = new Point2D();
point2D.X = double.Parse(fieldInfoListZ[0].ToString());
point2D.Y = double.Parse(fieldInfoListZ[1].ToString());
points.Add(point2D);
}
GeoLine geolineE = new GeoLine();
geolineE.AddPart(points);
recordset.AddNew(geolineE);
editor.Update();
//调用创建矢量数据集缓冲区方法
//设置缓冲区分析参数
BufferAnalystParameter bufferAnalystParam = new BufferAnalystParameter();
bufferAnalystParam.EndType = BufferEndType.Flat;
bufferAnalystParam.LeftDistance = 50;
bufferAnalystParam.RightDistance = 50;
String bufferName = "bufferRegionDt";
bufferName = fileDatasource.Datasets.GetAvailableDatasetName(bufferName);
m_bufferDataset = fileDatasource.Datasets.Create(new DatasetVectorInfo(bufferName, DatasetType.Region));
Boolean isTrue = SuperMap.Analyst.SpatialAnalyst.BufferAnalyst.CreateBuffer(recordset, m_bufferDataset, bufferAnalystParam, false, true);
Recordset formatRecordset = m_bufferDataset.GetRecordset(false, CursorType.Dynamic);
GeoRegion geometrySearch = (GeoRegion)formatRecordset.GetGeometry();
pfm = geometrySearch.Area;
mu = pfm * 0.0015;
double gongqing = 0.0666667 * mu;
// 释放记录集
// recordset.Dispose();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
rst = pfm.ToString();
fileWorkspace.Close();
return(rst);
}