/// <summary>
/// 拷贝的构造函数。
/// </summary>
/// <param name="bufferAnalystParameter">BufferAnalystParameter 对象实例。</param>
/// <exception cref="ArgumentNullException">bufferAnalystParameter 为空时抛出异常。</exception>
public BufferAnalystParameter(BufferAnalystParameter bufferAnalystParameter)
{
if (bufferAnalystParameter == null)
throw new ArgumentNullException("bufferAnalystParameter", Resources.ArgumentIsNotNull);
this.EndType = bufferAnalystParameter.EndType;
if (bufferAnalystParameter.LeftDistance != null)
this.LeftDistance = new BufferDistance(bufferAnalystParameter.LeftDistance);
if (bufferAnalystParameter.RightDistance != null)
this.RightDistance = new BufferDistance(bufferAnalystParameter.RightDistance);
this.SemicircleLineSegment = bufferAnalystParameter.SemicircleLineSegment;
}
public void CreatBuffer()
{
try
{
// 获取地图中的选择集，并转换为记录集
// Get the dataset in the map, and convert it to recordset.
Selection[] selections = m_srcMapControl.Map.FindSelection(true);
Selection selection = selections[0];
Recordset recordset = selection.ToRecordset();
this.CopyDataset(m_bufferDataName);
//PrjCoordSys gaussPrjSys = this.GetTargetPrjCoordSys(type);
//Boolean result = CoordSysTranslator.Convert(m_processDataset, gaussPrjSys, new CoordSysTransParameter(), CoordSysTransMethod.GeocentricTranslation);
//设置缓冲区分析参数
BufferAnalystParameter bufferAnalystParam = new BufferAnalystParameter();
bufferAnalystParam.EndType = BufferEndType.Flat;
bufferAnalystParam.LeftDistance = 100;
bufferAnalystParam.RightDistance = 100;
this.result = m_bufferDataset as DatasetVector;
//调用创建矢量数据集缓冲区方法
Boolean istrue = BufferAnalyst.CreateBuffer(recordset, result, bufferAnalystParam, false, true);
Recordset recordset2 = result.GetRecordset(false, SuperMap.Data.CursorType.Dynamic);
m_srcMapControl.Map.Layers.Add(result, true);
m_srcMapControl.Map.Center = result.Bounds.Center;
m_srcMapControl.Map.Scale = m_srcMapControl.Map.Scale;
m_srcMapControl.Map.Refresh();
recordset2.Dispose();
// 刷新地图
// Refresh the map.
m_srcMapControl.Map.Refresh();
recordset.Dispose();
}
catch (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 void Buffer_ByRegionSegment()
{
string serviceUrl = string.Format("http://{0}:8090/iserver/services/spatialanalyst-changchun/restjsr", ip);
SpatialAnalyst spatialAnalyst = new SpatialAnalyst(serviceUrl);
BufferAnalystParameter bufferAnalystParameter = new BufferAnalystParameter();
bufferAnalystParameter.EndType = BufferEndType.ROUND;
bufferAnalystParameter.SemicircleLineSegment = 12;
bufferAnalystParameter.LeftDistance = new BufferDistance() { Value = 2 };
bufferAnalystParameter.RightDistance = new BufferDistance() { Value = 55557 };
Geometry geometry = new Geometry();
geometry.Type = GeometryType.REGION;
Point2D point1 = new Point2D(23, 23);
Point2D point2 = new Point2D(33, 37);
Point2D point3 = new Point2D(33, 38);
geometry.Points = new Point2D[] { point1, point2, point3 };
geometry.Parts = new int[] { 3 };
GeometrySpatialAnalystResult result = spatialAnalyst.Buffer(geometry, bufferAnalystParameter);
Assert.IsNotNull(result);
Assert.IsTrue(result.Succeed);
Assert.IsTrue(result.ResultGeometry != null);
Assert.IsTrue(result.ResultGeometry.Type == GeometryType.REGION);
Assert.IsTrue(result.ResultGeometry.Points.Length == 98);
}
public void Buffer_ByPoint()
{
string serviceUrl = string.Format("http://{0}:8090/iserver/services/spatialanalyst-changchun/restjsr", ip);
SpatialAnalyst spatialAnalyst = new SpatialAnalyst(serviceUrl);
BufferAnalystParameter bufferAnalystParameter = new BufferAnalystParameter();
bufferAnalystParameter.EndType = BufferEndType.ROUND;
bufferAnalystParameter.SemicircleLineSegment = 4;
bufferAnalystParameter.LeftDistance = new BufferDistance() { Value = 105.2 };
bufferAnalystParameter.RightDistance = new BufferDistance() { Value = 105.2 };
Geometry geometry = new Geometry();
geometry.Type = GeometryType.POINT;
Point2D point1 = new Point2D(23, 23);
Point2D point2 = new Point2D(33, 37);
geometry.Points = new Point2D[] { point1 };
geometry.Parts = new int[] { 1 };
GeometrySpatialAnalystResult result = spatialAnalyst.Buffer(geometry, bufferAnalystParameter);
Assert.IsNotNull(result);
}
public void Buffer_ByPolygonDatasetUnion()
{
string serviceUrl = string.Format("http://{0}:8090/iserver/services/spatialanalyst-changchun/restjsr", ip);
SpatialAnalyst spatialAnalyst = new SpatialAnalyst(serviceUrl);
BufferAnalystParameter bufferAnalystParameter = new BufferAnalystParameter();
bufferAnalystParameter.EndType = BufferEndType.ROUND;
bufferAnalystParameter.SemicircleLineSegment = 4;
bufferAnalystParameter.LeftDistance = new BufferDistance() { Value = 105.2 };
bufferAnalystParameter.RightDistance = new BufferDistance() { Value = 105.2 };
BufferResultSetting bufferResultSetting = new BufferResultSetting();
bufferResultSetting.DataReturnOption = new DataReturnOption()
{
Dataset = "resultPolygon",
DataReturnMode = DataReturnMode.DATASET_AND_RECORDSET,
DeleteExistResultDataset = true
};
bufferResultSetting.IsAttributeRetained = true;
bufferResultSetting.IsUnion = true;
try
{
DatasetSpatialAnalystResult result = spatialAnalyst.Buffer("WaterPoly@Changchun", bufferAnalystParameter, null, bufferResultSetting);
Assert.IsTrue(result != null);
Assert.IsTrue(result.Succeed);
Assert.IsTrue(result.Dataset == "resultPolygon@Changchun");
Assert.IsTrue(result.Recordset != null);
Assert.IsTrue(result.Recordset.Features != null);
Assert.IsTrue(result.Recordset.Features.Length == 1);
}
catch (ServiceException e)
{
Assert.IsTrue(true);
Assert.IsTrue(e.Code == 400);
}
finally
{
}
}
public void Buffer_ByLineDatasetFlatBuffer()
{
string serviceUrl = string.Format("http://{0}:8090/iserver/services/spatialanalyst-changchun/restjsr", ip);
SpatialAnalyst spatialAnalyst = new SpatialAnalyst(serviceUrl);
BufferAnalystParameter bufferAnalystParameter = new BufferAnalystParameter();
bufferAnalystParameter.EndType = BufferEndType.FLAT;
bufferAnalystParameter.SemicircleLineSegment = 4;
bufferAnalystParameter.LeftDistance = new BufferDistance() { Value = 105.2 };
bufferAnalystParameter.RightDistance = new BufferDistance() { Value = 105.2 };
QueryParameter filterQueryParameter = new QueryParameter();
filterQueryParameter.AttributeFilter = "smid=5 or smid =1";
BufferResultSetting bufferResultSetting = new BufferResultSetting();
bufferResultSetting.DataReturnOption = new DataReturnOption()
{
Dataset = "resultLine",
DataReturnMode = DataReturnMode.DATASET_AND_RECORDSET,
DeleteExistResultDataset = true
};
bufferResultSetting.IsAttributeRetained = true;
try
{
DatasetSpatialAnalystResult result = spatialAnalyst.Buffer("Edit_Line@Changchun", bufferAnalystParameter, filterQueryParameter, bufferResultSetting);
}
catch (ServiceException e)
{
Assert.IsTrue(true);
Assert.IsTrue(e.Code == 400);
}
}
public void Buffer_ByLineDatasetHasAttributerFilter()
{
string serviceUrl = string.Format("http://{0}:8090/iserver/services/spatialanalyst-changchun/restjsr", ip);
SpatialAnalyst spatialAnalyst = new SpatialAnalyst(serviceUrl);
BufferAnalystParameter bufferAnalystParameter = new BufferAnalystParameter();
bufferAnalystParameter.EndType = BufferEndType.ROUND;
bufferAnalystParameter.SemicircleLineSegment = 4;
bufferAnalystParameter.LeftDistance = new BufferDistance() { Value = 105.2 };
bufferAnalystParameter.RightDistance = new BufferDistance() { Value = 105.2 };
QueryParameter filterQueryParameter = new QueryParameter();
filterQueryParameter.AttributeFilter = "smid=5 or smid =1";
BufferResultSetting bufferResultSetting = new BufferResultSetting();
bufferResultSetting.DataReturnOption = new DataReturnOption()
{
Dataset = "resultLine",
DataReturnMode = DataReturnMode.DATASET_AND_RECORDSET,
DeleteExistResultDataset = true
};
bufferResultSetting.IsAttributeRetained = true;
DatasetSpatialAnalystResult result = spatialAnalyst.Buffer("Edit_Line@Changchun", bufferAnalystParameter, filterQueryParameter, bufferResultSetting);
Assert.IsNotNull(result);
Assert.IsTrue(result.Succeed);
Assert.IsTrue(result.Dataset == "resultLine@Changchun");
Assert.IsTrue(result.Recordset != null);
Assert.IsTrue(result.Recordset.Features != null);
Assert.IsTrue(result.Recordset.Features.Length == 1);
}
/// <summary>
/// 根据几何对象创建缓冲区，成功则返回一个面对象，失败则返回空值。
/// </summary>
/// <param name="geometry">需要创建缓冲区的几何对象。</param>
/// <param name="bufferAnalystParameter">缓冲区分析参数，必设参数。指定缓冲距离、缓冲区端点类型等缓冲区分析需要的信息，请参见 <see cref="BufferAnalystParameter"/> 类。</param>
/// <returns>几何对象缓冲区分析结果。</returns>
/// <exception cref="SuperMap.Connector.Utility.ServiceException">服务端处理错误时抛出异常。</exception>
/// <example>
/// 以下示例代码演示如何根据几何对象进行缓冲区分析。
/// <code>
/// using System;
/// using System.Collections.Generic;
/// using System.Text;
/// using SuperMap.Connector;
/// using SuperMap.Connector.Utility;
///
/// class Program
/// {
/// static void Main(string[] args)
/// {
/// //根据服务组件地址初始化一个SpatialAnalyst对象。
/// SpatialAnalyst spatialAnalyst = new SpatialAnalyst("http://localhost:8090/iserver/services/spatialanalyst-changchun/restjsr");
///
/// //初始化一个Buffer分析参数。
/// BufferAnalystParameter bufferparameter = new BufferAnalystParameter()
/// {
/// EndType = BufferEndType.ROUND,
/// LeftDistance = new BufferDistance() { Value = 100 }, //左侧缓冲距离100米。
/// RightDistance = new BufferDistance() { Value = 100 },
/// SemicircleLineSegment = 12
/// };
///
/// //缓冲几何对象。
/// Point2D point1 = new Point2D(23, 23);
/// Point2D point2 = new Point2D(33, 37);
/// Point2D point3 = new Point2D(33, 38);
/// Point2D point4 = new Point2D(23, 23);
/// Geometry bufferSourceGeometry = new Geometry()
/// {
/// Type = GeometryType.REGION,
/// Parts = new int[] { 4 },
/// Points = new Point2D[] { point1, point2, point3, point4 },
/// };
///
/// //执行缓冲区分析。
/// GeometrySpatialAnalystResult bufferResult = spatialAnalyst.Buffer(bufferSourceGeometry, bufferparameter);
/// Console.ReadLine();
/// }
/// }
/// </code>
/// </example>
public GeometrySpatialAnalystResult Buffer(Geometry geometry, BufferAnalystParameter bufferAnalystParameter)
{
return _spatialAnalystProvier.Buffer(geometry, bufferAnalystParameter);
}
/// <summary>
/// 根据数据集创建缓冲区。
/// </summary>
/// <param name="datasetName">数据集标识。</param>
/// <param name="filterQueryParameter">过滤参数，可选。设置了过滤参数后，只对数据集中满足此过滤条件的对象创建缓冲区。</param>
/// <param name="bufferAnalystParameter">缓冲区分析参数，必设参数。指定缓冲距离、缓冲区端点类型等缓冲区分析需要的信息，请参见 <see cref="BufferAnalystParameter"/> 类。</param>
/// <param name="bufferResultSetting">数据集缓冲区分析结果设置参数。</param>
/// <returns>数据集缓冲区分析结果。</returns>
/// <exception cref="ArgumentNullException">参数 datasetName 为空时抛出异常。</exception>
/// <exception cref="SuperMap.Connector.Utility.ServiceException">服务端处理错误时抛出异常。</exception>
/// <example>
/// 以下示例代码演示如何根据数据集进行缓冲区分析。
/// <code>
/// using System;
/// using System.Collections.Generic;
/// using System.Text;
/// using SuperMap.Connector;
/// using SuperMap.Connector.Utility;
///
/// class Program
/// {
/// static void Main(string[] args)
/// {
/// //根据服务组件地址初始化一个SpatialAnalyst对象。
/// SpatialAnalyst spatialAnalyst = new SpatialAnalyst("http://*****:*****@Changchun"; //用来进行缓冲区分析的数据集，@符号前为数据集名称，@符号后为数据源名称。
///
/// //执行缓冲区分析。
/// DatasetSpatialAnalystResult bufferResult = spatialAnalyst.Buffer(datasetName, bufferparameter, filterQueryParameter, bufferResultSetting);
///
/// Console.WriteLine(string.Format("缓冲区分析结果数据集名称为:{0}", bufferResult.Dataset));
/// Console.ReadLine();
/// }
/// }
///
/// //分析输出如下结果：
/// //缓冲区分析结果数据集名称为:bufferResult@Changchun
/// </code>
/// </example>
public DatasetSpatialAnalystResult Buffer(string datasetName, BufferAnalystParameter bufferAnalystParameter, QueryParameter filterQueryParameter, BufferResultSetting bufferResultSetting)
{
#if NET40
if (string.IsNullOrWhiteSpace(datasetName))
{
throw new ArgumentNullException("datasetName", Resources.ArgumentIsNotNull);
}
#else
if (string.IsNullOrEmpty(datasetName))
{
throw new ArgumentNullException("datasetName", Resources.ArgumentIsNotNull);
}
#endif
return _spatialAnalystProvier.Buffer(datasetName, bufferAnalystParameter, filterQueryParameter, bufferResultSetting);
}
//Buffer查询
public void BufferQuery()
{
try
{
//清除已有查询结果
if (m_layerResultDataset != null)
{
this.ClearResult();
}
//创建结果面数据集
String bufferName = "bufferRegionDataset";
if (m_workspace.Datasources[0].Datasets.Contains(bufferName))
{
m_workspace.Datasources[0].Datasets.Delete(bufferName);
}
DatasetVector bufferDataset = (DatasetVector)m_workspace.Datasources[0].Datasets.CreateFromTemplate(bufferName, m_srcDatasetVector);
BufferAnalystParameter bufferAnalystParam = new BufferAnalystParameter();
bufferAnalystParam.EndType = BufferEndType.Round;
bufferAnalystParam.LeftDistance = m_bufferRadius;
Boolean isTrue = SuperMap.Analyst.SpatialAnalyst.BufferAnalyst.CreateBuffer(m_selectRegion, bufferDataset, bufferAnalystParam, false, true);
m_layerBufferDataset = this.AddResultToScene(bufferDataset, Color.FromArgb(100, 255, 255, 0)) as Layer3DDataset;
//进行叠加分析
QueryParameter para = new QueryParameter();
para.SpatialQueryMode = SpatialQueryMode.Intersect;
para.SpatialQueryObject = bufferDataset;
Recordset recordset = m_srcDatasetVector.Query(para);
List <Int32> ids = new List <int>(recordset.RecordCount);
while (!recordset.IsEOF)
{
ids.Add(recordset.GetID());
recordset.MoveNext();
}
String resultName = "BufferResult";
if (m_workspace.Datasources[0].Datasets.Contains(resultName))
{
m_workspace.Datasources[0].Datasets.Delete(resultName);
}
DatasetVector dataset_result = (DatasetVector)m_workspace.Datasources[0].Datasets.CreateFromTemplate(resultName, m_srcDatasetVector);
Console.Write(isTrue);
// 将空间查询结果追加到新建的数据集中
dataset_result.Append(recordset);
m_layerSrcRegion.IsVisible = false;
//将结果数据集添加到场景中
Color color = Color.FromArgb(200, 0, 233, 0);
m_layerResultDataset = this.AddResultToScene(dataset_result, color) as Layer3DDataset;
//如果场景中有osgb图层，设置osgb图层可见
Layer3Ds layer3ds = m_sceneControl.Scene.Layers;
for (int i = 0; i < layer3ds.Count; i++)
{
Layer3D layer = layer3ds[i];
if (layer.Type == Layer3DType.OSGB)
{
layer.IsVisible = true;
}
}
recordset.Dispose();
m_selectRegion.Dispose();
m_selectRegion = null;
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public DatasetSpatialAnalystResult Buffer(string datasetName, BufferAnalystParameter bufferAnalystParameter, QueryParameter filterQueryParameter, BufferResultSetting bufferResultSetting)
{
string baseUrl = string.Format("{0}/spatialanalyst/datasets/{1}/buffer.json?returnContent=true", this._serviceUrl,
HttpUtility.UrlEncode(datasetName));
DatasetBufferRequestParameter parameter = new DatasetBufferRequestParameter(bufferAnalystParameter, filterQueryParameter, bufferResultSetting);
string strBufferResult = SynchHttpRequest.GetRequestString(baseUrl, HttpRequestMethod.POST, JsonConvert.SerializeObject(parameter));
return JsonConvert.DeserializeObject<DatasetSpatialAnalystResult>(strBufferResult);
}
public GeometrySpatialAnalystResult Buffer(Geometry geometry, BufferAnalystParameter bufferAnalystParameter)
{
string baseUrl = string.Format("{0}/spatialanalyst/geometry/buffer.json?returnContent=true", this._serviceUrl);
GeometryBufferRequestParameter parameter = new GeometryBufferRequestParameter(geometry, bufferAnalystParameter);
string strBufferResult = SynchHttpRequest.GetRequestString(baseUrl, HttpRequestMethod.POST, JsonConvert.SerializeObject(parameter));
return JsonConvert.DeserializeObject<GeometrySpatialAnalystResult>(strBufferResult);
}
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);
}