using ExportMap.db;
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using ExportMap.Models;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Web;
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namespace ExportMap.cs
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{
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public class OsgbUtils
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{
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/// <summary>
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/// 获取路径
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/// </summary>
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public static string GetPath(int id)
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{
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return Path.Combine(SGUtils.LFData, "3d\\3dtiles\\osgb", id.ToString());
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}
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/// <summary>
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/// 获取发布地址
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/// </summary>
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public static string GetReleaseUrl(SysMeta meta)
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{
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return "{host}/LFData/3d/3dtiles/osgb/" + meta.id + "/tileset.json";
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}
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/// <summary>
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/// 生成
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/// </summary>
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/// <param name="args">XYZ参数</param>
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/// <param name="err">错误信息</param>
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/// <returns>数据发布ID集合</returns>
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public static List<int> Generate(XYZArgs args, ref string err)
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{
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try
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{
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List<SysMeta> list = XYZUtils.SelectMetas(args.ids, "and type = 'osgb'");
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if (null == list || list.Count == 0) return null;
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string d3tilesPath = Tools.GetSetting("d3tilesPath");
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string uploadFolder = Tools.GetSetting("uploadFolder");
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List<int> ids = new List<int>();
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foreach (SysMeta meta in list)
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{
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string osgbPath = Path.Combine(uploadFolder, meta.path);
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if (!Directory.Exists(osgbPath)) continue;
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meta.ismeta = 0; // 0-倾斜摄影数据
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string outPath = GetPath(meta.id);
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string jsonFile = Path.Combine(outPath, "tileset.json");
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if (args.isNew && Directory.Exists(outPath)) Tools.DelPath(outPath);
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if (!Directory.Exists(outPath)) Directory.CreateDirectory(outPath);
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if (File.Exists(jsonFile)) File.Delete(jsonFile);
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string srs = findSRS(osgbPath);
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if (null != srs) writeSRS(osgbPath, getSRS(srs));
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int idx = args.ids.IndexOf(meta.id);
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string cmd = string.Format("{0}\\3dtile.exe -f osgb -i \"{1}\" -o \"{2}\" -c \"{{\\\"offset\\\": {3}}}\"", d3tilesPath, osgbPath, outPath, args.zs[idx]);
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SysTask task = TaskDBHelper.CreateTask(args, meta, "OSGB", "倾斜数据(OSGB)");
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err = Tools.ExecCmd(task, cmd, false);
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err = null;
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if (null != srs) writeSRS(osgbPath, srs);
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if (File.Exists(jsonFile))
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{
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string path = jsonFile.Replace(Tools.GetSetting("lfData") + "\\", "");
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int pubid = InsertToDB(meta, args, path);
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if (pubid > 0) ids.Add(pubid);
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}
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}
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return ids;
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}
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catch (Exception ex)
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{
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LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
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err = ex.Message;
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return null;
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}
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}
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/// <summary>
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/// 查找SRS
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/// </summary>
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private static string findSRS(string osgbPath)
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{
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string file = Path.Combine(osgbPath, "metadata.xml");
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if (!File.Exists(file)) return null;
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string[] lines = File.ReadAllLines(file);
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foreach (string line in lines)
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{
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if (line.Contains("<SRS>EPSG:") && line.Contains("+"))
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{
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return line;
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}
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}
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return null;
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}
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/// <summary>
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/// 写入SRS
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/// </summary>
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private static void writeSRS(string osgbPath, string newSRS)
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{
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string file = Path.Combine(osgbPath, "metadata.xml");
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if (!File.Exists(file)) return;
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string[] lines = File.ReadAllLines(file);
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for (int i = 0, c = lines.Length; i < c; i++)
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{
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if (lines[i].Contains("<SRS>EPSG:"))
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{
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lines[i] = newSRS;
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break;
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}
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}
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File.WriteAllLines(file, lines);
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}
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/// <summary>
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/// 获取SRS
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/// </summary>
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/// <param name="srs"></param>
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private static string getSRS(string srs)
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{
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int start = srs.IndexOf("+");
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int end = srs.IndexOf("</SRS>");
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string other = srs.Substring(start, end - start);
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return srs.Replace(other, "");
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}
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/// <summary>
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/// 插入数据库
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/// </summary>
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private static int InsertToDB(SysMeta meta, XYZArgs args, string path)
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{
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//if (PubDBHelper.IsPublish(meta.id)) return 1;
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int pubid = PubDBHelper.GetPushlishId(meta.id);
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if (pubid > 0)
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{
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PubDBHelper.UpdatePublish(pubid, meta.name, args.userId, null);
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return pubid;
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}
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SysPublish sys = Tools.NewPublish(meta, args, GetReleaseUrl(meta), path);
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pubid = PubDBHelper.InsertPublish(sys);
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if (pubid > 0)
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{
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sys.id = pubid;
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PubDBHelper.InsertLayer(sys, meta);
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PubDBHelper.InsertMetaPub(meta.id, pubid, args.userId);
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}
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return pubid;
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}
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}
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}
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