/// <summary>
/// 获取实体
/// </summary>
/// <param name="GUID"></param>
/// <returns></returns>
public ThreadTaskLogEntity GetEntity(string GUID)
{
try
{
ThreadTaskLogEntity entity = new ThreadTaskLogEntity();
DataTable dt = AccessHelper.ExecuteDataSet(AccessHelper.conn, "select * from ThreadLog where [GUID]=@GUID", new OleDbParameter("@GUID", GUID)).Tables[0];
if (dt.Rows.Count > 0)
{
PropertyInfo[] properties = entity.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (PropertyInfo item in properties)
{//循环遍历实体，取出字段和字段对应的值
if (item.GetValue(entity, null) != null)
{
item.SetValue(entity, dt.Rows[0][item.Name].ToString(), null);
}
}
return(entity);
}
}
catch (Exception ex)
{
}
return(null);
}
public Log(ThreadTaskLogEntity entity)
{
try
{
System.Data.DataTable dt = AccessHelper.ExecuteDataSet(AccessHelper.conn, "select * from ThreadLog where [GUID]=@GUID", new OleDbParameter("@GUID", entity.GUID)).Tables[0];
if (dt.Rows.Count > 0)
{
int mm = AccessHelper.ExecuteNonQuery(AccessHelper.conn, "update ThreadLog set ThreadLog.[TaskLog_GUID]=@TaskLog_GUID,[Current]=@Current,[Total]=@Total,[Status]=@Status,[Current_loc]=@Current_loc,[ErrorMsg]=@ErrorMsg,[AddTime]=@AddTime,[IsPaused]=@IsPaused,[TName]=@TName,[TStatus]=@TStatus,[Parameter]=@Parameter,[URL]=@URL where [GUID]=@GUID ", new OleDbParameter("@TaskLog_GUID", entity.TaskLog_GUID), new OleDbParameter("@Current", entity.Current), new OleDbParameter("@Total", entity.Total), new OleDbParameter("@Status", entity.Status), new OleDbParameter("@Current_loc", entity.Current_loc), new OleDbParameter("@ErrorMsg", entity.ErrorMsg), new OleDbParameter("@AddTime", entity.AddTime), new OleDbParameter("@IsPaused", entity.IsPaused), new OleDbParameter("@TName", entity.TName), new OleDbParameter("@TStatus", entity.TStatus), new OleDbParameter("@Parameter", entity.Parameter), new OleDbParameter("@URL", entity.URL), new OleDbParameter("@GUID", entity.GUID));
}
else
{
int mm = AccessHelper.ExecuteNonQuery(AccessHelper.conn, "insert into ThreadLog([GUID],[TaskLog_GUID],[Current],[Total],[Status],[Current_loc],[ErrorMsg],[AddTime],[IsPaused],[TName],[TStatus],[Parameter],[URL]) values(@GUID,@TaskLog_GUID,@Current,@Total,@Status,@Current_loc,@ErrorMsg,@AddTime,@IsPaused,@TName,@TStatus,@Parameter,@URL)", new OleDbParameter("@GUID", entity.GUID), new OleDbParameter("@TaskLog_GUID", entity.TaskLog_GUID), new OleDbParameter("@Current", entity.Current), new OleDbParameter("@Total", entity.Total), new OleDbParameter("@Status", entity.Status), new OleDbParameter("@Current_loc", entity.Current_loc), new OleDbParameter("@ErrorMsg", entity.ErrorMsg), new OleDbParameter("@AddTime", entity.AddTime), new OleDbParameter("@IsPaused", entity.IsPaused), new OleDbParameter("@TName", entity.TName), new OleDbParameter("@TStatus", entity.TStatus), new OleDbParameter("@Parameter", entity.Parameter), new OleDbParameter("@URL", entity.URL));
}
}
catch (Exception ex)
{
}
}
/// <summary>
/// 百度矢量要素下载(数据下载写入shp文件的时候可能出现问题，比如下载网络波动中断到时系统无法识别（解决办法先吧数据下载到数据在写入shp文件）)
/// </summary>
/// <param name="Result"></param>
/// <returns></returns>
public WebApiResult <string> BaiduDownload(BaiduMapFeatureDownloadResult Result)
{
this.countdown = new CountdownEvent(Result.TaskCount);
this.Result_BFeature = Result;
this.N = Result.TaskCount;
UpdateLastLoc <BaiduMapFeatureDownloadResult>(Result.GUID);
log = new TaskLogEntity()
{
GUID = Result.GUID, Name = Result.TName, Type = "矢量要素", Description = "BaiduDownload", Status = "进行中", Parameter = JsonHelper.ToJson(Result), SavePath = Result.SavePathText
};
//操作日志
new Log <BaiduMapFeatureDownloadResult>(log);
if (Result.LayerName == "道路")
{
xmlDoc.Load(MapFeatureConfig);
///////////////////////////////////////////////////////////////////////////////
// GDAL创建shp文件
// 注册所有的驱动
Ogr.RegisterAll();
// GDAL中文路径支持
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");
// 属性表字段中文支持
OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "CP936");
// 设置坐标系存储文件夹gdal-data路径
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_DATA", System.Windows.Forms.Application.StartupPath + "\\gdal-data");
Driver oDriver = Ogr.GetDriverByName("ESRI Shapefile");
if (oDriver == null)
{
return(new WebApiResult <string>()
{
success = 0, msg = "GDAL驱动不可用，请检查！"
});
}
// 创建数据源
DataSource oDS = oDriver.CreateDataSource(Result.SavePathText, null);
if (oDS == null)
{
return(new WebApiResult <string>()
{
success = 0, msg = "创建数据源失败，请检查！"
});
}
oLayer = oDS.GetLayerByName(Result.TName);
if (oLayer == null)
{
// 创建图层，创建一个多线图层，并指定空间参考
OSGeo.OSR.SpatialReference oSRS = new OSGeo.OSR.SpatialReference("PROJCS[\"WGS_1984_Pseudo_Mercator\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator\"],PARAMETER[\"false_easting\",0.0],PARAMETER[\"false_northing\",0.0],PARAMETER[\"central_meridian\",0.0],PARAMETER[\"standard_parallel_1\",0.0],UNIT[\"Meter\",1.0]]");
//OSGeo.OSR.SpatialReference oSRS = new OSGeo.OSR.SpatialReference("");
//oSRS.SetWellKnownGeogCS("EPSG:4326");
oLayer = oDS.CreateLayer(Result.TName, oSRS, wkbGeometryType.wkbMultiLineString, null);
if (oLayer == null)
{
return(new WebApiResult <string>()
{
success = 0, msg = "创建图层失败，请检查！"
});
}
// 创建属性表
// 先创建一个叫Name的字符型属性，字符长度为100
FieldDefn oFieldName = new FieldDefn("Name", FieldType.OFTString);
oFieldName.SetWidth(100);
oLayer.CreateField(oFieldName, 1);
// 再创建一个叫Type的字符型属性，字符长度为50
FieldDefn oFieldType = new FieldDefn("Type", FieldType.OFTString);
oFieldType.SetWidth(50);
oLayer.CreateField(oFieldType, 1);
// 再创建一个叫UID的字符型属性，字符长度为50
FieldDefn oFieldUID = new FieldDefn("UID", FieldType.OFTString);
oFieldUID.SetWidth(50);
oLayer.CreateField(oFieldUID, 1);
}
/////////////////////////////////////////////////////////////////////////////////
threadlog = new ThreadTaskLogEntity()
{
GUID = Result.GUID, TaskLog_GUID = Result.GUID, Status = "进行中", TStatus = 1, TName = Result.TName, IsPaused = false, URL = Result.URL, Parameter = JsonHelper.ToJson(Result)
};
//计算Total并更新
threadlog.Total = GetList("SELECT KWName FROM mapbar_poi WHERE KWType = '道路'", "KWName").Count;
new Log <BaiduMapFeatureDownloadResult>(threadlog);
log.Count = threadlog.Total;
new Log <BaiduMapFeatureDownloadResult>(log);
Thread[] t = new Thread[Result.TaskCount];
for (int num = 0; num < Result.TaskCount; num++)
{
try
{
t[num] = new Thread(new ParameterizedThreadStart(run_BFeature))
{
Name = "Thread " + num.ToString()
};
t[num].Start(num);
}
catch (Exception ex)
{
threadlog.Status = "错误";
threadlog.ErrorMsg = ex.ToString();
threadlog.TStatus = 3;
new Log <BaiduMapFeatureDownloadResult>(threadlog);
log.Status = "错误";
log.ErrorMsg = ex.ToString();
log.ErrorDate = DateTime.Now.ToString();
//操作日志
new Log <BaiduMapFeatureDownloadResult>(log);
return(new WebApiResult <string>()
{
success = 0, msg = ex.ToString()
});
}
}
countdown.Wait();
oLayer.Dispose();
oDS.Dispose();
for (int num = 0; num < Result.TaskCount; num++)
{
t[num].Abort();
}
lock (obj)
{
if (!Log <BaiduMapFeatureDownloadResult> .GetThreadLogEntity(this.Result_BFeature.GUID).IsPaused)
{
//配置文件参数信息更新
xmlDoc["MapFeature"]["bmap"]["dict_index"].InnerText = "0";
xmlDoc.Save(MapFeatureConfig);
log.Status = "已完成";
log.CompleteTime = DateTime.Now.ToString();
log.Current = log.Count;
threadlog.Status = "已完成";
threadlog.TStatus = 2;
threadlog.Current = threadlog.Total;
threadlog.Current_loc = List2Str(current_loc);
//操作日志
new Log <BaiduMapFeatureDownloadResult>(threadlog);
new Log <BaiduMapFeatureDownloadResult>(log);
return(new WebApiResult <string>()
{
success = 1, msg = "百度地图要素下载完成！"
});
}
}
}
else
{
return(new WebApiResult <string>()
{
success = 2, msg = "图层类型不符合"
});
}
return(null);
}
//StreamWriter watch;
#region 百度瓦片地图个性化下载
/// <summary>
/// 百度瓦片地图个性化下载(暂时不使用)
/// </summary>
/// <returns></returns>
//public WebApiResult<string> BaiduMapTileDownload(BaiduMapTileDownloadRequest Request)
//{
// var log = new TaskLogEntity() { GUID = Request.GUID, Name = "百度瓦片下载", Type = "瓦片下载", Description = "BaiduMapTileDownload1", Status = "进行中", Parameter = JsonHelper.ToJson(Request) };
// //操作日志
// new Log<BaiduMapTileDownloadRequest>(log);
// try
// {
// string URLtextBox = GetDownloadUrl(Request.List_TreeNode);
// //检查URL地址栏
// if (URLtextBox == "")
// {
// //MessageBox.Show(this, "URL地址为空，请检查！", "提示");
// return new WebApiResult<string>() { success = 2, msg = "URL地址为空，请检查！" };
// }
// //确定要下载的坐标范围信息，起始坐标为左下角，终点坐标为右上角
// double startcoord_x = Request.LefttextBox;
// double startcoord_y = Request.BottomtextBox;
// double endcoord_x = Request.RighttextBox;
// double endcoord_y = Request.UptextBox;
// LatLngPoint startcoord, endcoord;
// //if (startcoord_x > 0 && startcoord_x < endcoord_x && endcoord_x < 180 && startcoord_y > 0 && startcoord_y < endcoord_x && endcoord_y < 90)
// {
// startcoord = new LatLngPoint(startcoord_y, startcoord_x);
// endcoord = new LatLngPoint(endcoord_y, endcoord_x);
// }
// //else
// //{
// // return new WebApiResult<string>() { success = 2, msg = "输入坐标值不正确，请检查！" };
// //}
// //检查下载层级是否勾选
// if (Request.LevelList.Length == 0)
// {
// return new WebApiResult<string>() { success = 2, msg = "下载地图层级未选择，请检查！" };
// }
// //获取要下载的地图层级
// foreach (int Level in Request.LevelList)
// {
// //int z = Level;
// Tuple<int, int, int, int> BoundTup = GetTileBound(startcoord, endcoord, Level);
// for (int i = BoundTup.Item1; i <= BoundTup.Item3; i++)
// {
// for (int j = BoundTup.Item2; j <= BoundTup.Item4; j++)
// {
// try
// {
// String link = String.Format(URLtextBox, Math.Abs(i + j) % 3, i, j, Level);
// String localpath = Request.SavePathText + String.Format("\\{0}\\{1}\\", Level, i);
// String filename = String.Format("{0}.png", j);
// //判断文件是否存在，若存在，直接下载下一个文件
// if (File.Exists(localpath + filename)) continue;
// //下载文件
// String downloadedfile = "";
// do
// {
// downloadedfile = DownloadFile(link, localpath, filename);
// Thread.Sleep(100);
// try
// {
// Image img = Image.FromFile(localpath + filename);
// }
// catch (Exception)
// {
// File.Delete(localpath + filename);
// downloadedfile = "";
// }
// } while (downloadedfile == "");
// }
// catch (Exception ex)
// {
// log.Status = "错误";
// log.ErrorMsg = ex.ToString();
// log.ErrorDate = DateTime.Now.ToString();
// new Log<BaiduMapTileDownloadRequest>(log);
// return null;
// }
// }
// }
// }
// log.Status = "已完成";
// log.CompleteTime = DateTime.Now.ToString();
// new Log<BaiduMapTileDownloadRequest>(log);
// }
// catch (Exception ex)
// {
// log.Status = "错误";
// log.ErrorMsg = ex.ToString();
// log.ErrorDate = DateTime.Now.ToString();
// new Log<BaiduMapTileDownloadRequest>(log);
// }
// return null;
//}
/// <summary>
/// 百度瓦片地图个性化下载（当前使用）
/// </summary>
/// <returns></returns>
public WebApiResult <string> BaiduMapTileDownload1(BaiduMapTileDownloadRequest Request)
{
//watch = new StreamWriter(new FileStream(System.AppDomain.CurrentDomain.BaseDirectory + "\\App_Data\\ThreadLog.txt", FileMode.Create));
this.countdown = new CountdownEvent(Request.TaskCount);
this.request = Request;
UpdateLastLoc(Request.GUID);
log = new TaskLogEntity()
{
GUID = Request.GUID, Name = Request.TName, Type = "百度瓦片下载", Description = "BaiduMapTileDownload1", Status = "进行中", Parameter = JsonHelper.ToJson(Request), SavePath = request.SavePathText
};
//操作日志
new Log <BaiduMapTileDownloadRequest>(log);
try
{
if (Request.LayerStr == "sate")
{
this.URLtextBox = "https://ss{0}.bdstatic.com/8bo_dTSlR1gBo1vgoIiO_jowehsv/starpic/?qt=satepc&u=x={1};y={2};z={3};v=009;type=sate";
}
else
{
this.URLtextBox = "http://api{0}.map.bdimg.com/customimage/tile?&x={1}&y={2}&z={3}&scale=1&ak=8d6c8b8f3749aed6b1aff3aad6f40e37&" + Request.LayerStr; //GetDownloadUrl(Request.List_TreeNode);
//检查URL地址栏http://api{0}.map.bdimg.com/customimage/tile?&x={1}&y={2}&z={3}&scale=1&ak=8d6c8b8f3749aed6b1aff3aad6f40e37&styles=t:background|e:all|v:off,t:poi|e:all|v:off,t:administrative|e:all|v:off
}
if (URLtextBox == "")
{
//MessageBox.Show(this, "URL地址为空，请检查！", "提示");
return(new WebApiResult <string>()
{
success = 2, msg = "URL地址为空，请检查！"
});
}
//确定要下载的坐标范围信息，起始坐标为左下角，终点坐标为右上角
double startcoord_x = Request.LefttextBox;
double startcoord_y = Request.BottomtextBox;
double endcoord_x = Request.RighttextBox;
double endcoord_y = Request.UptextBox;
//if (startcoord_x > 0 && startcoord_x < endcoord_x && endcoord_x < 180 && startcoord_y > 0 && startcoord_y < endcoord_y && endcoord_y < 90)
//{
this.startcoord = new LatLngPoint(startcoord_y, startcoord_x);
this.endcoord = new LatLngPoint(endcoord_y, endcoord_x);
//}
//else
//{
// return new WebApiResult<string>() { success = 2, msg = "输入坐标值不正确，请检查！" };
//}
//检查下载层级是否勾选
if (Request.LevelList.Length == 0)
{
return(new WebApiResult <string>()
{
success = 2, msg = "下载地图层级未选择，请检查！"
});
}
threadlog = new ThreadTaskLogEntity()
{
GUID = Request.GUID, TaskLog_GUID = Request.GUID, Status = "进行中", TStatus = 1, Total = 0, TName = Request.TName, IsPaused = false, Parameter = JsonHelper.ToJson(Request), URL = Request.URL
};
//计算Total并更新
foreach (int Level in Request.LevelList)
{
Tuple <int, int, int, int> BoundTup = GetTileBound(startcoord, endcoord, Level);
threadlog.Total += (BoundTup.Item3 - BoundTup.Item1 + 1) * (BoundTup.Item4 - BoundTup.Item2 + 1);
}
log.Count = threadlog.Total;
new Log <BaiduMapTileDownloadRequest>(log);
new Log <BaiduMapTileDownloadRequest>(threadlog);
interval = new double[] { (endcoord.Lat - startcoord.Lat) / Request.TaskCount, (endcoord.Lng - startcoord.Lng) / Request.TaskCount };
Thread[] t = new Thread[Request.TaskCount];
for (int num = 0; num < Request.TaskCount; num++)
{
try
{
t[num] = new Thread(new ParameterizedThreadStart(run))
{
Name = "Thread " + num.ToString()
};
t[num].Start(num);
}
catch (Exception ex)
{
threadlog.Status = "错误";
threadlog.ErrorMsg = ex.ToString();
threadlog.TStatus = 3;
new Log <BaiduMapTileDownloadRequest>(threadlog);
log.Status = "错误";
log.ErrorMsg = ex.ToString();
log.ErrorDate = DateTime.Now.ToString();
//操作日志
new Log <BaiduMapTileDownloadRequest>(log);
return(new WebApiResult <string>()
{
success = 0, msg = ex.ToString()
});
}
}
countdown.Wait();
//watch.Close();
for (int num = 0; num < Request.TaskCount; num++)
{
t[num].Abort();
}
lock (obj)
{
if (!Log <BaiduMapTileDownloadRequest> .GetThreadLogEntity(this.request.GUID).IsPaused)
{
log.Status = "已完成";
log.CompleteTime = DateTime.Now.ToString();
log.Current = log.Count;
threadlog.Status = "已完成";
threadlog.TStatus = 2;
threadlog.Current = threadlog.Total;
threadlog.Current_loc = List2Str(current_loc);
//操作日志
new Log <BaiduMapTileDownloadRequest>(threadlog);
new Log <BaiduMapTileDownloadRequest>(log);
return(new WebApiResult <string>()
{
success = 1, msg = "百度瓦片下载完成！"
});
}
}
}
catch (Exception ex)
{
log.Status = "错误";
log.ErrorMsg = ex.ToString();
log.ErrorDate = DateTime.Now.ToString();
new Log <BaiduMapTileDownloadRequest>(log);
return(new WebApiResult <string>()
{
success = 0, msg = ex.ToString()
});
}
return(null);
}
/// <summary>
/// 百度瓦片地图拼接
/// </summary>
/// <param name="Result"></param>
/// <returns></returns>
public WebApiResult <string> BaiduTileSplicing(BaiduTileSplicingResult Result)
{
this.Result_baidu = Result;
UpdateLastLoc <BaiduTileSplicingResult>(Result.GUID);
log = new TaskLogEntity()
{
GUID = Result.GUID, Name = Result.TName, Type = "瓦片拼接", Description = "BaiduTileSplicing", Status = "进行中", Parameter = JsonHelper.ToJson(Result), SavePath = Result.SavePath
};
//操作日志
new Log <BaiduTileSplicingResult>(log);
threadlog = new ThreadTaskLogEntity()
{
GUID = this.Result_baidu.GUID, TaskLog_GUID = this.Result_baidu.GUID, Status = "进行中", Current = current, TStatus = 1, TName = Result_baidu.TName, IsPaused = false, URL = Result_baidu.URL, Parameter = JsonHelper.ToJson(Result_baidu)
};
new Log <BaiduTileSplicingResult>(threadlog);
try
{
//监测瓦片地图拼接耗时
//Stopwatch stopwatch = new Stopwatch();
//stopwatch.Start();
//百度地图瓦片相关信息获取，文件路径必须选取到z级（缩放层级）文件夹
String FilePath = Result.FilePath;
DirectoryInfo TheFolder = new DirectoryInfo(FilePath);
DirectoryInfo[] folder_list = TheFolder.GetDirectories();
////百度瓦片地图拼接
String savepath = Result.SavePath;
var restuls = ParallelWriteImage(folder_list, savepath, 0, Result.crstype, Result.Size);
if (restuls != null)
{
log.Status = "已完成";
log.CompleteTime = DateTime.Now.ToString();
log.Current = log.Count;
threadlog.TStatus = 2;
threadlog.Status = "已完成";
threadlog.Current = threadlog.Total;
//操作日志
new Log <BaiduTileSplicingResult>(threadlog);
new Log <BaiduTileSplicingResult>(log);
return(restuls);
}
//stopwatch.Stop();
}
catch (Exception ex)
{
threadlog.Status = "错误";
threadlog.ErrorMsg = ex.ToString();
threadlog.TStatus = 3;
new Log <BaiduTileSplicingResult>(threadlog);
log.Status = "错误";
log.ErrorMsg = ex.ToString();
log.ErrorDate = DateTime.Now.ToString();
new Log <BaiduTileSplicingResult>(log);
return(new WebApiResult <string>()
{
success = 0, msg = ex.ToString()
});
}
return(null);
}
/// <summary>
/// 瓦片地图拼接函数
/// 百度地图和高德地图瓦片地图组织形式不一样，用maptype加以区别
/// </summary>
/// <param name="folder_list">文件夹列表</param>
/// <param name="savepath">保存路径</param>
/// <param name="maptype">0为百度地图，1为高德地图</param>
WebApiResult <string> ParallelWriteImage(DirectoryInfo[] folder_list, String savepath, int maptype, string crstype, int maxSize)
{
FileInfo[] file = new FileInfo[] { };
foreach (var folder in folder_list)
{
FileInfo[] a = GetFileList(folder);
file = JoinArray(file, a);
}
List <List <FileInfo> > file_list_blocks = new List <List <FileInfo> >();
deSplice(file, maxSize, ref file_list_blocks);
var count = file_list_blocks.Count;
//计算Total并更新
threadlog.Total = file_list_blocks.Count;
new Log <BaiduTileSplicingResult>(threadlog);
log.Count = threadlog.Total;
new Log <BaiduTileSplicingResult>(log);
//利用GDAL创建结果影像，并写入瓦片数据
Gdal.AllRegister(); //驱动注册
Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES"); //中文路径支持
Driver pDriver = Gdal.GetDriverByName("GTIFF");
int num = 0;
//分块拼接影像
foreach (var file_list_block in file_list_blocks)
{
if (num < current)
{
num++;
continue;
}
//if (num == 6) Pause<BaiduTileSplicingResult>(this.Result_gaode.GUID);
if (maptype == 0)
{
if (Log <BaiduTileSplicingResult> .GetThreadLogEntity(this.Result_baidu.GUID).IsPaused)
{
threadlog.Current = current;
threadlog.Status = "暂停";
threadlog.TStatus = 4;
threadlog.IsPaused = true;
new Log <BaiduTileSplicingResult>(threadlog);
log.Status = "未完成";
log.Current = current;
new Log <BaiduTileSplicingResult>(log);
return(null);
}
}
else
{
if (Log <BaiduTileSplicingResult> .GetThreadLogEntity(this.Result_gaode.GUID).IsPaused)
{
threadlog.Current = current;
threadlog.Status = "暂停";
threadlog.TStatus = 4;
threadlog.IsPaused = true;
new Log <BaiduTileSplicingResult>(threadlog);
log.Status = "未完成";
log.Current = current;
new Log <BaiduTileSplicingResult>(log);
return(null);
}
}
FileInfo[] file_list_array = file_list_block.ToArray <FileInfo>();
if (file_list_array.Length > 1)
{
//获取分块的坐标信息和范围信息
List <Point> TilePoints = GetTileCoor(file_list_array);
Tuple <int, int, int, int> TileBoundary = GetBoundary(TilePoints);
//定义存储文件名
string level = file_list_block[0].DirectoryName.Substring(0, file_list_block[0].DirectoryName.LastIndexOf("\\")).Split('$')[0];
level = level.Substring(level.LastIndexOf("\\"));
string savedir = savepath + level;
//判断存储路径是否存在
if (!Directory.Exists(savedir))
{
Directory.CreateDirectory(savedir);
}
string dstPath = savedir + '\\' + file_list_block.First <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.First <FileInfo>().Name.Split('.').First() + "_" + file_list_block.Last <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.Last <FileInfo>().Name.Split('.').First() + ".tif";
if (File.Exists(dstPath))
{
continue;
}
string tfwPath = savedir + '\\' + file_list_block.First <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.First <FileInfo>().Name.Split('.').First() + "_" + file_list_block.Last <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.Last <FileInfo>().Name.Split('.').First() + ".tfw";
if (File.Exists(tfwPath))
{
continue;
}
//计算图像的宽度和高度，定义图像的Dataset
int bufWidth = (TileBoundary.Item3 - TileBoundary.Item1 + 1) * 256;
int bufHeight = (TileBoundary.Item4 - TileBoundary.Item2 + 1) * 256;
Dataset dstDataset = pDriver.Create(dstPath, bufWidth, bufHeight, 3, DataType.GDT_Byte, new String[] { "BIGTIFF=IF_NEEDED" });
//生成.tfw文件
StreamWriter writer = new StreamWriter(new FileStream(tfwPath, FileMode.Create, FileAccess.Write), Encoding.ASCII);
if (maptype == 0)
{
int z = int.Parse(level.Substring(1));
//计算瓦片地图左上角墨卡托坐标
double mcx = TileBoundary.Item1 * 256 * Math.Pow(2, (18 - z));
double mcy = (TileBoundary.Item4 + 1) * 256 * Math.Pow(2, (18 - z));
double sizex = 256 * Math.Pow(2, (18 - z));
double sizey = sizex;
if (crstype == "BD09")
{
var F = CoordTransferHelper.Mercator2LatLng(new PointF((float)mcx, (float)mcy));
mcx = F.Lat;
mcy = F.Lng;
double r1 = (TileBoundary.Item3 + 1) * 256 * Math.Pow(2, (18 - z));
double r2 = TileBoundary.Item2 * 256 * Math.Pow(2, (18 - z));
F = CoordTransferHelper.Mercator2LatLng(new PointF((float)r1, (float)r2));
sizex = Math.Abs(mcx - F.Lat) / (TileBoundary.Item3 - TileBoundary.Item1 + 1);
sizey = Math.Abs(mcy - F.Lng) / (TileBoundary.Item4 - TileBoundary.Item2 + 1);
}
writer.WriteLine(sizex);
writer.WriteLine(0.000000);
writer.WriteLine(0.000000);
writer.WriteLine(-1 * sizey);
writer.WriteLine(mcx);
writer.WriteLine(mcy);
}
if (maptype == 1)
{
int z = int.Parse(level.Substring(1));
Point TileP = new Point(TileBoundary.Item1, TileBoundary.Item2);
Point PixelP = new Point(0, 0);
var P = CoordTransferHelper.PixelXY2LatLng(TileP, PixelP, z);
double mcx = P.Lat;
double mcy = P.Lng;
P = CoordTransferHelper.PixelXY2LatLng(new Point(TileBoundary.Item3, TileBoundary.Item4), new Point(256, 256), z);
double sizex = Math.Abs(mcx - P.Lat) / (TileBoundary.Item3 - TileBoundary.Item1 + 1);
double sizey = Math.Abs(mcy - P.Lng) / (TileBoundary.Item4 - TileBoundary.Item2 + 1);
writer.WriteLine(sizex);
writer.WriteLine(0.000000);
writer.WriteLine(0.000000);
writer.WriteLine(sizey);
writer.WriteLine(mcx);
writer.WriteLine(mcy);
}
writer.Close();
//遍历分块列表中所有影像，读取瓦片图像信息写入分块影像
for (int i = 0; i < file_list_array.Length; i++)
{
//打开瓦片地图，获取瓦片地图的宽度、高度、波段、位数信息
Dataset img = Gdal.Open(file_list_array[i].FullName, Access.GA_ReadOnly);
int Width = img.RasterXSize;
int Height = img.RasterYSize;
int BandNum = img.RasterCount;
int Depth = Gdal.GetDataTypeSize(img.GetRasterBand(1).DataType);
//读取瓦片地图的数据信息
Byte[] buf = new Byte[Width * Height * BandNum];
CPLErr err = img.ReadRaster(0, 0, Width, Height, buf, Width, Height, BandNum, null, 0, 0, 0);
if (err == CPLErr.CE_Failure)
{
string message = string.Format("{0}图像读取失败！", file_list_array[i].Name);
return(new WebApiResult <string>()
{
success = 1, msg = message
});
}
//获取瓦片地图在拼接影像中的起始坐标信息
int OrgX = -9999, OrgY = -9999;
if (maptype == 0)
{
OrgX = (TilePoints[i].X - TileBoundary.Item1) * 256;
OrgY = (TileBoundary.Item4 - TilePoints[i].Y) * 256;
}
else if (maptype == 1)
{
OrgX = (TilePoints[i].X - TileBoundary.Item1) * 256;
OrgY = (TilePoints[i].Y - TileBoundary.Item2) * 256;
}
if (OrgX == -9999 || OrgY == -9999)
{
return new WebApiResult <string>()
{
success = 1, msg = "坐标错误"
}
}
;;
err = dstDataset.WriteRaster(OrgX, OrgY, Width, Height, buf, Width, Height, BandNum, null, 0, 0, 0);
if (err == CPLErr.CE_Failure)
{
string message = string.Format("结果图像{0}输出数据失败！", file_list_block.First <FileInfo>().Name + "_" + file_list_block.Last <FileInfo>().Name + ".tif");
return(new WebApiResult <string>()
{
success = 1, msg = message
});
}
img.Dispose();
}
dstDataset.Dispose();
}
else
{
//定义存储文件名
string level = file_list_block[0].DirectoryName.Substring(0, file_list_block[0].DirectoryName.LastIndexOf("\\")).Split('_')[0];
level = level.Substring(level.LastIndexOf("\\"));
string savedir = savepath + level;
//判断存储路径是否存在
if (!Directory.Exists(savedir))
{
Directory.CreateDirectory(savedir);
}
string dstPath = savedir + '\\' + file_list_block.First <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.First <FileInfo>().Name.Split('.').First() + "_" + file_list_block.Last <FileInfo>().DirectoryName.Split('\\').Last() + "-" + file_list_block.Last <FileInfo>().Name.Split('.').First() + ".tif";
if (File.Exists(dstPath))
{
continue;
}
File.Copy(file_list_array[0].FullName.ToString(), dstPath);
}
current++;
num++;
if (maptype == 0)
{
threadlog = Log <BaiduTileSplicingResult> .GetThreadLogEntity(this.Result_baidu.GUID);
}
else
{
threadlog = Log <BaiduTileSplicingResult> .GetThreadLogEntity(this.Result_gaode.GUID);
}
threadlog.Current = current;
new Log <BaiduTileSplicingResult>(threadlog);
}
pDriver.Deregister();
Gdal.GDALDestroyDriverManager();
return(new WebApiResult <string>()
{
success = 1, msg = "瓦片拼接完成！"
});
}
/// <summary>
/// 高德瓦片地图拼接
/// </summary>
/// <param name="Result"></param>
/// <returns></returns>
public WebApiResult <string> GaodeTileSplicing(GaodeTileSplicingResult Result)
{
this.Result_gaode = Result;
UpdateLastLoc <GaodeTileSplicingResult>(Result.GUID);
log = new TaskLogEntity()
{
GUID = Result.GUID, Name = Result.TName, Type = "瓦片拼接", Description = "GaodeTileSplicing", Status = "进行中", Parameter = JsonHelper.ToJson(Result), SavePath = Result.SavePath
};
//操作日志
new Log <GaodeTileSplicingResult>(log);
threadlog = new ThreadTaskLogEntity()
{
GUID = this.Result_gaode.GUID, TaskLog_GUID = this.Result_gaode.GUID, Status = "进行中", TStatus = 1, TName = Result_gaode.TName, IsPaused = false, URL = Result_gaode.URL, Parameter = JsonHelper.ToJson(Result_gaode)
};
new Log <BaiduTileSplicingResult>(threadlog);
try
{
//耗时统计
//Stopwatch stopwatch = new Stopwatch();
//stopwatch.Start();
//高德地图瓦片相关信息获取，文件路径必须选取到z级（缩放层级）文件夹
String FilePath = Result.FilePath;
DirectoryInfo TheFolder = new DirectoryInfo(FilePath);
DirectoryInfo[] folder_list = TheFolder.GetDirectories();
////整个瓦片地图范围，用于创建拼接大影像
//FileInfo[] file_list = GetFileList(TheFolder);
//List<Point> TilePoints = GetTileCoor(file_list);
//Tuple<int, int, int, int> TileBoundary = GetBoundary(TilePoints);
////高德瓦片地图拼接
String savepath = Result.SavePath;
var restuls = ParallelWriteImage(folder_list, savepath, 1, "", Result.Size);
if (restuls != null)
{
log.Status = "已完成";
log.CompleteTime = DateTime.Now.ToString();
log.Current = log.Count;
threadlog.TStatus = 2;
threadlog.Status = "已完成";
threadlog.Current = threadlog.Total;
//操作日志
new Log <GaodeTileSplicingResult>(threadlog);
new Log <GaodeTileSplicingResult>(log);
string dir = FilePath;
FileDelete(dir);
return(restuls);
}
//stopwatch.Stop();
}
catch (Exception ex)
{
threadlog.Status = "错误";
threadlog.ErrorMsg = ex.ToString();
threadlog.TStatus = 3;
new Log <GaodeTileSplicingResult>(threadlog);
log.Status = "错误";
log.ErrorMsg = ex.ToString();
log.ErrorDate = DateTime.Now.ToString();
new Log <GaodeTileSplicingResult>(log);
return(new WebApiResult <string>()
{
success = 0, msg = ex.ToString()
});
}
return(null);
}
