using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?OSGeo.GDAL;

namespace?RS
{

????public?partial?class?Classification?:?Form
????{
????????public?Classification（）
????????{
????????????InitializeComponent（）;
????????}

????????public?Bitmap?GetRGBImage（OSGeo.GDAL.Dataset?ds1?Rectangle?showRect1?int[]?bandlist1）
????????{
????????????int?imgWidth?=?ds1.RasterXSize;???//影像寬??
????????????int?imgHeight?=?ds1.RasterYSize;??//影像高??

????????????float?ImgRatio?=?imgWidth?/?（float）imgHeight;??//影像寬高比??

????????????//獲取顯示控件大小??
????????????int?BoxWidth?=?showRect1.Width;
????????????int?BoxHeight?=?showRect1.Height;

????????????float?BoxRatio?=?imgWidth?/?（float）imgHeight;??//顯示控件寬高比??

????????????//計算實際顯示區域大小，防止影像畸變顯示??
????????????int?BufferWidth?BufferHeight;
????????????if?（BoxRatio?>=?ImgRatio）
????????????{
????????????????BufferHeight?=?BoxHeight;
????????????????BufferWidth?=?（int）（BoxHeight?*?ImgRatio）;
????????????}
????????????else
????????????{
????????????????BufferWidth?=?BoxWidth;
????????????????BufferHeight?=?（int）（BoxWidth?/?ImgRatio）;
????????????}

????????????//構建位圖??
????????????Bitmap?bitmap?=?new?Bitmap（BufferWidth?BufferHeight
?????????????????????????????????????System.Drawing.Imaging.PixelFormat.Format24bppRgb）;

????????????if?（bandlist1.Length?==?3）?????//RGB顯示??
????????????{
????????????????int[]?r?=?new?int[BufferWidth?*?BufferHeight];
????????????????Band?band1?=?ds1.GetRasterBand（bandlist1[0]）;
????????????????band1.ReadRaster（0?0?imgWidth?imgHeight?r?BufferWidth?BufferHeight?0?0）;??//讀取圖像到內存??

????????????????//為了顯示好看，進行最大最小值拉伸顯示??
????????????????double[]?maxandmin1?=?{?0?0?};
????????????????band1.ComputeRasterMinMax（maxandmin1?0）;

????????????????int[]?g?=?new?int[BufferWidth?*?BufferHeight];
????????????????Band?band2?=?ds1.GetRasterBand（bandlist1[1]）;
????????????????band2.ReadRaster（0?0?imgWidth?imgHeight?g?BufferWidth?BufferHeight?0?0）;

????????????????double[]?maxandmin2?=?{?0?0?};
????????????????band2.ComputeRasterMinMax（maxandmin2?0）;

????????????????int[]?b?=?new?int[BufferWidth?*?BufferHeight];
????????????????Band?band3?=?ds1.GetRasterBand（bandlist1[2]）;
????????????????band3.ReadRaster（0?0?imgWidth?imgHeight?b?BufferWidth?BufferHeight?0?0）;

????????????????double[]?maxandmin3?=?{?0?0?};
????????????????band3.ComputeRasterMinMax（maxandmin3?0）;

????????????????int?i?j;
????????????????for?（i?=?0;?i?????????????????{
????????????????????for?（j?=?0;?j?????????????????????{
????????????????????????int?rVal?=?Convert.ToInt32（r[i?+?j?*?BufferWidth]）;
????????????????????????rVal?=?（int）（（rVal?-?maxandmin1[0]）?/?（maxandmin1[1]?-?maxandmin1[0]）?*?255）;

????????????????????????int?gVal?=?Convert.ToInt32（g[i?+?j

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????929??2017-06-27?07:19??RS.sln
?????文件???????58368??2017-06-27?09:52??RS.v12.suo
?????文件?????1787904??2014-09-11?08:12??tif7.suo
?????文件???????55808??2017-06-27?07:20??tif7.v12.suo
?????目錄???????????0??2017-11-07?15:23??tif7\
?????目錄???????????0??2017-11-07?15:23??tif7\bin\
?????目錄???????????0??2017-11-07?15:23??tif7\bin\Debug\
?????文件?????1951744??2013-04-13?19:54??tif7\bin\Debug\cairo.dll
?????文件?????1152512??2010-10-25?14:52??tif7\bin\Debug\cfitsio.dll
?????文件????????8192??2014-05-08?11:34??tif7\bin\Debug\createdata.exe
?????文件???????65024??2012-01-01?13:31??tif7\bin\Debug\freexl.dll
?????文件??????121856??2010-10-25?14:54??tif7\bin\Debug\fribidi.dll
?????文件??????544768??2010-10-25?15:09??tif7\bin\Debug\ftgl.dll
?????文件????13827584??2014-05-08?11:29??tif7\bin\Debug\gdal111.dll
?????文件???????80384??2014-05-08?11:34??tif7\bin\Debug\gdal_csharp.dll
?????文件??????140800??2014-05-08?11:34??tif7\bin\Debug\gdal_wrap.dll
?????文件????????8192??2014-05-08?11:34??tif7\bin\Debug\GDALAdjustContrast.exe
?????文件????????5632??2014-05-08?11:34??tif7\bin\Debug\GDALColorTable.exe
?????文件???????19456??2014-05-08?11:34??tif7\bin\Debug\gdalconst_csharp.dll
?????文件???????12800??2014-05-08?11:34??tif7\bin\Debug\gdalconst_wrap.dll
?????文件????????5120??2014-05-08?11:34??tif7\bin\Debug\GDALCreateCopy.exe
?????文件????????7168??2014-05-08?11:34??tif7\bin\Debug\GDALDatasetRasterIO.exe
?????文件????????5120??2014-05-08?11:34??tif7\bin\Debug\GDALDatasetWrite.exe
?????文件????????5632??2014-05-08?11:34??tif7\bin\Debug\GDALGetHistogram.exe
?????文件????????9216??2014-05-08?11:34??tif7\bin\Debug\GDALInfo.exe
?????文件????????5632??2014-05-08?11:34??tif7\bin\Debug\GDALMemDataset.exe
?????文件????????6656??2014-05-08?11:34??tif7\bin\Debug\GDALOverviews.exe
?????文件????????8704??2014-05-08?11:34??tif7\bin\Debug\GDALRead.exe
?????文件????????8704??2014-05-08?11:34??tif7\bin\Debug\GDALReadDirect.exe
?????文件????????5120??2014-05-08?11:34??tif7\bin\Debug\GDALWrite.exe
?????文件?????1243648??2013-11-18?09:18??tif7\bin\Debug\geos.dll
............此處省略123個文件信息