解决OSGB数据坐标解析不正确

13693261870

2023-06-25 168bba3491d987955aaf75907554f68c444dbeda

 ExportMap/cs/OsgbUtils.cs

@@ -56,10 +56,14 @@
                    if (!Directory.Exists(outPath)) Directory.CreateDirectory(outPath);
                    if (File.Exists(jsonFile)) File.Delete(jsonFile);

                    string srs = findSRS(osgbPath);
                    if (null != srs) writeSRS(osgbPath, getSRS(srs));

                    string cmd = string.Format("{0}\\3dtile.exe -f osgb -i \"{1}\" -o \"{2}\" -c \"{{\\\"offset\\\": {3}}}\"", d3tilesPath, osgbPath, outPath, args.z);
                    err = Tools.ExecCmd(cmd, false, false);
                    err = null;

                    if (null != srs) writeSRS(osgbPath, srs);
                    if (File.Exists(jsonFile))
                    {
                        string path = jsonFile.Replace(Tools.GetSetting("lfData") + "\\", "");
@@ -79,6 +83,60 @@
        }

        /// <summary>
        /// 查找SRS
        /// </summary>
        private static string findSRS(string osgbPath)
        {
            string file = Path.Combine(osgbPath, "metadata.xml");
            if (!File.Exists(file)) return null;

            string[] lines = File.ReadAllLines(file);
            foreach (string line in lines)
            {
                if (line.Contains("<SRS>EPSG:") && line.Contains("+"))
                {
                    return line;
                }
            }

            return null;
        }

        /// <summary>
        /// 写入SRS
        /// </summary>
        private static void writeSRS(string osgbPath, string newSRS)
        {
            string file = Path.Combine(osgbPath, "metadata.xml");
            if (!File.Exists(file)) return;

            string[] lines = File.ReadAllLines(file);
            for (int i = 0, c = lines.Length; i < c; i++)
            {
                if (lines[i].Contains("<SRS>EPSG:"))
                {
                    lines[i] = newSRS;
                    break;
                }
            }

            File.WriteAllLines(file, lines);
        }

        /// <summary>
        /// 获取SRS
        /// </summary>
        /// <param name="srs"></param>
        private static string getSRS(string srs)
        {
            int start = srs.IndexOf("+");
            int end = srs.IndexOf("</SRS>");
            string other = srs.Substring(start, end - start);

            return srs.Replace(other, "");
        }

        /// <summary>
        /// 插入数据库
        /// </summary>
        private static int InsertToDB(SysMeta meta, XYZArgs args, string path)