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 TerraUtils
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{
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private static string pyFile;
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/// <summary>
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/// 获取Python文件
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/// </summary>
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public static string PyFile
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{
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get
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{
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if (string.IsNullOrWhiteSpace(pyFile))
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{
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pyFile = Path.Combine(ExportUtil.SourcesPath, "merge.py");
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}
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return pyFile;
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}
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}
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/// <summary>
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/// QGIS工程
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/// </summary>
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public static string Qgz
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{
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get
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{
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//return Path.Combine(ExportUtil.SourcesPath, "xyz.qgz");
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return "xyz.qgz";
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}
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}
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/// <summary>
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/// bat路径
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/// </summary>
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public static string BatPath
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{
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get
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{
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return @"C:\Program Files\QGIS 3.16\bin\";
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}
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}
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/// <summary>
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/// 基础bat文件
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/// </summary>
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public static string BaseBat
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{
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get
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{
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// python-qgis-ltr.bat，qgis_process-qgis-ltr.bat
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return @"C:\Program Files\QGIS 3.16\bin\qgis_process-qgis-ltr.bat";
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}
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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(string dircode)
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{
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return "http://{host}/LFData/3d/terrain/" + dircode;
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}
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/// <summary>
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/// 获取地形路径
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/// </summary>
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public static string GetTerrainPath(string dircode)
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{
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return Path.Combine(SGUtils.LFData, "3d\\terrain", dircode);
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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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string tifFile = null;
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try
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{
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//tifFile = Merge(args, ref err);
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tifFile = Path.Combine(GetTerrainPath(args.dircode), args.dircode + ".tif");
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if (!File.Exists(tifFile)) return null;
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Generate(args, tifFile, ref err);
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Save(args);
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return null;
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}
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catch (Exception ex)
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{
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LogOut.Error(ex.Message);
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err = ex.Message;
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return null;
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}
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finally
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{
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if (string.IsNullOrEmpty(tifFile) && File.Exists(tifFile))
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{
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File.Delete(tifFile);
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}
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}
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}
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/// <summary>
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/// 合并
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/// </summary>
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public static string Merge(XYZArgs args, ref string err)
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{
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string txtFile = null;
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try
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{
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List<SysMeta> list = XYZUtils.SelectMetas(args.ids, "and type in ('tif', 'tiff')");
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if (null == list || list.Count == 0) return null;
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txtFile = Path.Combine(Tools.TempDir, ExportUtil.DateStr + ".txt");
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string dirPath = GetTerrainPath(args.dircode);
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if (!Directory.Exists(dirPath)) Directory.CreateDirectory(dirPath);
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string tifFile = Path.Combine(dirPath, args.dircode + ".tif");
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if (File.Exists(tifFile)) File.Delete(tifFile);
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WriteText(txtFile, list);
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string cmd = string.Format("python \"{0}\" -qgz {1} -file \"{2}\" -out \"{3}\"", PyFile, Qgz, txtFile, tifFile);
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err = Tools.ExecCmd(cmd, true);
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return tifFile;
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}
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catch (Exception ex)
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{
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LogOut.Error(ex.Message);
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err = ex.Message;
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return null;
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}
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finally
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{
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if (!string.IsNullOrEmpty(txtFile) && File.Exists(txtFile))
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{
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File.Delete(txtFile);
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}
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}
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}
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/// <summary>
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/// 写文本文件
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/// </summary>
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private static void WriteText(string txtFile, List<SysMeta> list)
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{
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string uploadFolder = Tools.GetSetting("uploadFolder");
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List<string> files = new List<string>();
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foreach (SysMeta meta in list)
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{
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string filePath = Path.Combine(uploadFolder, meta.path);
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if (File.Exists(filePath)) files.Add(filePath);
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}
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string str = string.Join("\n", files);
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File.WriteAllText(txtFile, str);
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}
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/// <summary>
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/// 生成高程切片
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/// </summary>
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private static void Generate(XYZArgs args, string tifFile, ref string err)
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{
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string dirPath = GetTerrainPath(args.dircode).Replace("\\", "/");
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string name = "ctb_" + ExportUtil.DateStr;
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string runDocker = string.Format("docker run -it --name {0} -v \"{1}\":\"/data\" tumgis/ctb-quantized-mesh", name, dirPath);
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string createMesh = string.Format("docker exec {0} ctb-tile -f Mesh -C -N -s {1} -e {2} -o /data /data/{2}.tif", name, args.max, args.min, args.dircode);
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string createLayer = string.Format("docker exec {0} ctb-tile -f Mesh -C -N -s {1} -e {2} -l -o /data /data/{3}.tif", name, args.max, args.min, args.dircode);
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string stop = string.Format("docker stop {0}", name);
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string rm = string.Format("docker rm {0}", name);
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List<string> list = new List<string> { runDocker, createMesh, createLayer, stop, rm };
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err = Tools.ExecCmd(list);
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}
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/// <summary>
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/// 保存
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/// </summary>
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private static void Save(XYZArgs args)
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{
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}
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}
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}
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