关于遥感bil bsq bip三种格式互换

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   /// <summary>/// 读取头文件信息/// </summary>/// <param name="strFileName"></param>头文件路径和名称/// <param name="iColumnsCount"></param>像素列数/// <param name="iLinesCount"></param>像素行数/// <param name="iBandsCount"></param>波段数/// <param name="iType"></param>基本数据类型代码/// <param name="strInterLeave"></param>文件组织格式/// <returns></returns>返回是否读取成功public static bool ReadHDR(string strFileName, out int iColumnsCount, out int iLinesCount, out int iBandsCount, out int iType, out string strInterLeave){bool blnSuccess = false;iColumnsCount = -1;iLinesCount = -1;iBandsCount = -1;iType = -1;strInterLeave = "";//初始化各个变量StreamReader hdrfile = null;try{hdrfile = new StreamReader(strFileName);string content = "";while (hdrfile.EndOfStream != true){//获取像素列数content = hdrfile.ReadLine();if (content.Contains("samples")){String samples = content.Substring(content.IndexOf("=") + 1, content.Length - content.IndexOf("=") - 1).Trim();iColumnsCount = Convert.ToInt32(samples);System.Console.WriteLine(samples);break;}}while (hdrfile.EndOfStream != true){//获取像素行数content = hdrfile.ReadLine();if (content.Contains("lines")){String lines = content.Substring(content.IndexOf("=") + 1, content.Length - content.IndexOf("=") - 1).Trim();iLinesCount = Convert.ToInt32(lines);System.Console.WriteLine(lines);break;}}while (hdrfile.EndOfStream != true){//获取波段个数content = hdrfile.ReadLine();if (content.Contains("bands")){String bands = content.Substring(content.IndexOf("=") + 1, content.Length - content.IndexOf("=") - 1).Trim();iBandsCount = Convert.ToInt32(bands);System.Console.WriteLine(bands);break;}}while (hdrfile.EndOfStream != true){ //获取数据种类content = hdrfile.ReadLine();if (content.Contains("data type")){String type = content.Substring(content.IndexOf("=") + 1, content.Length - content.IndexOf("=") - 1).Trim();iType = Convert.ToInt32(type);System.Console.WriteLine(type);break;}}while (hdrfile.EndOfStream != true){ //获取数据解译方式content = hdrfile.ReadLine();if (content.Contains("interleave")){String interleve = content.Substring(content.IndexOf("=") + 1, content.Length - content.IndexOf("=") - 1).Trim();strInterLeave = interleve;System.Console.WriteLine(interleve);blnSuccess = true;break;}}}catch{//读取失败hdrfile.Close();hdrfile.Dispose();return false;}hdrfile.Close();hdrfile.Dispose();//关闭文件流，释放内存return blnSuccess;}/// <summary>/// bip转换为bsq/// </summary>/// <param name="strInputFile"></param>源文件名称与路径/// <param name="strOutputFile"></param>目标文件名称与路径/// <param name="pixComCounts"></param>像素行数/// <param name="pixLineCounts"></param>像素列数/// <param name="bands"></param>波段数/// <param name="type"></param>基本数据类型代码/// <returns></returns>是否转换成功public static bool BipToBsq(string strInputFile, string strOutputFile, int pixComCounts, int pixLineCounts, int bands, int type){bool blnSuccess = true;FileStream inputF = new FileStream(strInputFile, FileMode.Open);FileStream outputF = new FileStream(strOutputFile, FileMode.CreateNew);int totalsize = pixComCounts * pixLineCounts * bands * type;//计算输入文件总字节数if (totalsize != inputF.Length){return false;}byte[] bts = new byte[totalsize];int num = 0, bt;while ((bt = inputF.ReadByte()) > -1){//读取出全部字节数据，存储在数组中bts[num] = (byte)bt;num++;}for (int bandnum = 0; bandnum < bands; bandnum++){//读取波段写入for (int row = 0; row < pixLineCounts; row++){//按行写入for (int columnum = 0; columnum < pixComCounts; columnum++){ //读取列写入int startpos = pixComCounts * type * bands * row + columnum * type * bands + bandnum * type;for (int typenum = 0; typenum < type; typenum++){//读取数据基本单元类型输入数据outputF.WriteByte(bts[startpos + typenum]);}}}}outputF.Flush();//保存缓存文件outputF.Close();//关闭撤销变量文件outputF.Dispose();inputF.Close();inputF.Dispose();return blnSuccess;}/// <summary>/// bsq转换为bil/// </summary>/// <param name="strInputFile"></param>源文件名称与路径/// <param name="strOutputFile"></param>目标文件名称与路径/// <param name="pixComCounts"></param>像素行数/// <param name="pixLineCounts"></param>像素列数/// <param name="bands"></param>波段数/// <param name="type"></param>基本数据类型代码/// <returns></returns>是否转换成功public static bool BsqToBil(string strInputFile, string strOutputFile, int pixComCounts, int pixLineCounts, int bands, int type){bool blnSuccess = true;FileStream inputF = new FileStream(strInputFile, FileMode.Open);FileStream outputF = new FileStream(strOutputFile, FileMode.CreateNew);int totalsize = pixComCounts * pixLineCounts * bands * type;//计算输入文件总字节数if (totalsize != inputF.Length){return false;}byte[] bts = new byte[totalsize];int num = 0, bt;while ((bt = inputF.ReadByte()) > -1){//读取出全部字节数据，存储在数组中bts[num] = (byte)bt;num++;}for (int row = 0; row < pixLineCounts; row++){//按行写入数据for (int bandnum = 0; bandnum < bands; bandnum++){//按波段写入数据int startpos = pixComCounts * pixLineCounts * type * bandnum + row * pixComCounts * type;for (int columnum = 0; columnum < pixComCounts; columnum++){ //写入没一列数据for (int typenum = 0; typenum < type; typenum++){//按数据基本单元类型输入数据outputF.WriteByte(bts[startpos + columnum * type + typenum]);}}}}outputF.Flush();//保存缓存文件outputF.Close();//关闭撤销变量文件outputF.Dispose();inputF.Close();inputF.Dispose();return blnSuccess;}/// <summary>/// bil转换为bip/// </summary>/// <param name="strInputFile"></param>源文件名称与路径/// <param name="strOutputFile"></param>目标文件名称与路径/// <param name="pixComCounts"></param>像素行数/// <param name="pixLineCounts"></param>像素列数/// <param name="bands"></param>波段数/// <param name="type"></param>基本数据类型代码/// <returns></returns>是否转换成功public static bool BilToBip(string strInputFile, string strOutputFile, int pixComCounts, int pixLineCounts, int bands, int type){bool blnSuccess = true;FileStream inputF = new FileStream(strInputFile, FileMode.Open);FileStream outputF = new FileStream(strOutputFile, FileMode.CreateNew);int totalsize = pixComCounts * pixLineCounts * bands * type;//计算输入文件总字节数if (totalsize != inputF.Length){return false;}byte[] bts = new byte[totalsize];int num = 0, bt;bt = inputF.ReadByte();while (bt > -1){//读取出全部字节数据，存储在数组中bts[num] = (byte)bt;bt = inputF.ReadByte();num++;}for (int row = 0; row < pixLineCounts; row++){//按行写入for (int columnum = 0; columnum < pixComCounts; columnum++){ //读取列写入for (int bandnum = 0; bandnum < bands; bandnum++){//读取波段写入int startpos = pixComCounts * type * row * bands + pixComCounts * type * bandnum + type * columnum;//获取基准位置for (int typenum = 0; typenum < type; typenum++){//读取数据基本单元类型输入数据outputF.WriteByte(bts[startpos + typenum]);}}}}outputF.Flush();//保存缓存文件outputF.Close();//关闭撤销变量文件outputF.Dispose();inputF.Close();inputF.Dispose();return blnSuccess;}

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