private void openPan1_Click(object sender, EventArgs e)
{
Gdal.AllRegister();
OpenFileDialog ofd = new OpenFileDialog();
//允许打开的文件格式
ofd.Filter =
"Erdas Imagine (*.img)|*.img|" +
"GeoTiff (*.tif *.tiff)|*.tif;*.tiff|" +
"HDF (*.hdf *.h5 *he5)|*.hdf;*.h5;*he5|" +
"位图文件 (*.bmp)|*.bmp|" +
"Graphics Interchange Format (*.gif)|*.gif|" +
"JPEG (*.jpg *.jpeg)|*.jpg;*.jpeg|" +
"Portable Network Graphics (*.png)|*.png|" +
"所有文件|*.*";
if (ofd.ShowDialog() == DialogResult.OK)
{
file2 = ofd.FileName;
ds2 = Gdal.Open(file2, Access.GA_ReadOnly);
}
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = 600;
pictureRect.Height = 450;
Foudation fd = new Foudation();
Band band = ds2.GetRasterBand(1);
img2 = fd.GetImage(ds2, pictureRect, band);
}
//显示图片
private void ShowImage_Click(object sender, EventArgs e)
{
TreeNode imageNode = fileTree.SelectedNode;
string filePath = imageNode.Tag.ToString();
Gdal.AllRegister();
ds = Gdal.Open(filePath, Access.GA_ReadOnly);
//获取波段数
int bandCount = ds.RasterCount;
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = 600;
pictureRect.Height = 450;
Foudation fd = new Foudation();
if (bandCount == 3)
{
BandSelection selection = new BandSelection();
selection.ShowDialog();
int[] bandList = new int[3];
bandList[0] = selection.Band1;
bandList[1] = selection.Band2;
bandList[2] = selection.Band3;
_bitmap = fd.GetImage(ds, pictureRect, bandCount, bandList);
}
else
{
Band band = ds.GetRasterBand(1);
// _bitmap = null;
_bitmap = fd.GetImage(ds, pictureRect, band);
}
pictureBox1.Image = _bitmap;
_pictureChoose = true;
}
private void openMsi1_Click(object sender, EventArgs e)
{
Gdal.AllRegister();
OpenFileDialog ofd = new OpenFileDialog();
//允许打开的文件格式
ofd.Filter =
"Erdas Imagine (*.img)|*.img|" +
"GeoTiff (*.tif *.tiff)|*.tif;*.tiff|" +
"HDF (*.hdf *.h5 *he5)|*.hdf;*.h5;*he5|" +
"位图文件 (*.bmp)|*.bmp|" +
"Graphics Interchange Format (*.gif)|*.gif|" +
"JPEG (*.jpg *.jpeg)|*.jpg;*.jpeg|" +
"Portable Network Graphics (*.png)|*.png|" +
"所有文件|*.*";
if (ofd.ShowDialog() == DialogResult.OK)
{
file1 = ofd.FileName;
ds1 = Gdal.Open(file1, Access.GA_ReadOnly);
if (ds1.RasterCount < 3)
{
MessageBox.Show("不是多波段影像！\n请重新选择", "Error");
file1 = null;
}
}
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = 600;
pictureRect.Height = 450;
Foudation fd = new Foudation();
int[] bandList = new int[3];
bandList[0] = 3;
bandList[1] = 2;
bandList[2] = 1;
img1 = fd.GetImage(ds1, pictureRect, 3, bandList);
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
#region 打开待配准影像
OpenFileDialog op1 = new OpenFileDialog();
op1.Filter = "所有文件|*.*";
op1.Title = "打开待配准影像";
string op1name = op1.FileName;
if (op1.ShowDialog() == DialogResult.OK)
{
//初始化设置
OSGeo.GDAL.Gdal.AllRegister(); // 初始化gdal库
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES"); //设置为UTF-8编码
//打开影像
Dataset ds1 = OSGeo.GDAL.Gdal.Open(op1.FileName, OSGeo.GDAL.Access.GA_ReadOnly);
ds1.GetGeoTransform(GeoTransform1);
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = this.pictureBox1.Width;
pictureRect.Height = this.pictureBox1.Height;
int[] disband = new int[3] {
1, 2, 3
};
Band band = ds1.GetRasterBand(1);
Foudation fd = new Foudation();
Bitmap bitmap1 = fd.GetImage(ds1, pictureRect, band); //遥感影像构建位图
pictureBox1.Image = bitmap1;
}
#endregion
#region 打开标准影像
OpenFileDialog op2 = new OpenFileDialog();
op2.Filter = "所有文件|*.*";
op2.Title = "打开标准影像";
string op2name = op2.FileName;
if (op2.ShowDialog() == DialogResult.OK)
{
//初始化设置
OSGeo.GDAL.Gdal.AllRegister(); // 初始化gdal库
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES"); //设置为UTF-8编码
//打开影像
Dataset ds2 = OSGeo.GDAL.Gdal.Open(op2.FileName, OSGeo.GDAL.Access.GA_ReadOnly);
ds2.GetGeoTransform(GeoTransform2);
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = this.pictureBox2.Width;
pictureRect.Height = this.pictureBox2.Height;
int[] disband = new int[3] {
1, 2, 3
};
Foudation fd = new Foudation();
Bitmap bitmap2 = fd.GetImage(ds2, pictureRect, 3, disband);; //遥感影像构建位图
pictureBox2.Image = bitmap2;
}
#endregion
}
private void 无人机影像粗校正ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (pictureBox1.Image != null)
{
//ds = Gdal.Open(_filePath, Access.GA_ReadOnly);
Bitmap bitmap = (Bitmap)pictureBox1.Image;
double pi = Math.PI;
double[] can = new double[11];
double w = ds.RasterXSize;
double h = ds.RasterYSize;
ImageCorrection iC = new ImageCorrection();
iC.ShowDialog();
can = iC.returnCan();
if (can[0] == 0)
{
return;
}
//校正参数
double B = can[1], L = can[2], Zs = can[3], fai = can[4] / 180 * pi, w0 = can[5] / 180 * pi;
double k = can[6] / 180 * pi, Iw = can[7] * 0.001, Ih = can[8] * 0.001, f = can[9] * 0.001, u = can[10];
double Xs = 0, Ys = 0;
Foudation fd = new Foudation();
double[] xy = fd.GeoTransform(B, L);
Xs = xy[0];
Ys = xy[1];
//旋转矩阵参数
double a1 = Math.Cos(fai) * Math.Cos(k) - Math.Sin(fai) * Math.Sin(w0) * Math.Sin(k);
double a2 = -Math.Cos(fai) * Math.Sin(k) - Math.Sin(fai) * Math.Sin(w0) * Math.Cos(k);
double a3 = -Math.Sin(fai) * Math.Cos(w0);
double b1 = Math.Cos(w0) * Math.Sin(k);
double b2 = Math.Cos(w0) * Math.Cos(k);
double b3 = -Math.Sin(w0);
double c1 = Math.Sin(fai) * Math.Cos(k) + Math.Cos(fai) * Math.Sin(w0) * Math.Sin(k);
double c2 = -Math.Sin(fai) * Math.Sin(k) + Math.Cos(fai) * Math.Sin(w0) * Math.Cos(k);
double c3 = Math.Cos(fai) * Math.Cos(k);
//角点图像坐标
double[,] Ixy = new double[5, 3];
Ixy[1, 1] = 0; Ixy[1, 2] = 0;
Ixy[2, 1] = Iw; Ixy[2, 2] = Ih;
Ixy[3, 1] = 0; Ixy[3, 2] = Ih;
Ixy[4, 1] = Iw; Ixy[4, 2] = 0;
//图像像元大小
double pixelSize_x = Iw / w;
double pixelSize_y = Ih / h;
//角点地面坐标
double[,] XY = new double[5, 3];
double Zp = 750;//平均高程待定
for (int i = 1; i < 5; i++)
{
XY[i, 1] = Xs + (Zp - Zs) * (a1 * Ixy[i, 1] + a2 * Ixy[i, 2] - a3 * f)
/ (c1 * Ixy[i, 1] + c2 * Ixy[i, 2] - c3 * f);
XY[i, 2] = Ys + (Zp - Zs) * (b1 * Ixy[i, 1] + b2 * Ixy[i, 2] - b3 * f)
/ (c1 * Ixy[i, 1] + c2 * Ixy[i, 2] - c3 * f);
}
//输出影像最小范围
double Xmin = (XY[1, 1] < XY[3, 1] ? XY[1, 1] : XY[3, 1]);
double Xmax = (XY[2, 1] > XY[4, 1] ? XY[2, 1] : XY[4, 1]);
double Ymin = (XY[3, 2] < XY[4, 2] ? XY[3, 2] : XY[4, 2]);
double Ymax = (XY[1, 2] > XY[2, 2] ? XY[1, 2] : XY[2, 2]);
int outwid = (int)((Xmax - Xmin) / u) + 10;
int outhei = (int)((Ymax - Ymin) / u) + 10;
//构建位图
double Xp, Yp;
double x, y;
Driver dryMemory = Gdal.GetDriverByName("MEM");
Dataset dsMemory = dryMemory.Create("", outwid, outhei, ds.RasterCount, DataType.GDT_CInt32, null);
//dsMemory.SetProjection(ds.GetGCPProjection());
double[] GeoTrans = new double[6];
GeoTrans[0] = Xmin; GeoTrans[3] = Ymin;
GeoTrans[1] = u; GeoTrans[5] = -u;
GeoTrans[2] = 0; GeoTrans[4] = 0;
dsMemory.SetGeoTransform(GeoTrans);
dsMemory.SetProjection(" PROGCS[''G-K'']");
for (int i = 0; i < outhei; i++)
{
int[][] R = new int[ds.RasterCount][];
for (int bandindex = 0; bandindex < ds.RasterCount; bandindex++)
{
R[bandindex] = new int[outwid];
}
for (int j = 0; j < outwid; j++)
{
//地面坐标
Xp = j * u + Xmin;
Yp = (i) * u + Ymin;
//解像点坐标
x = -f * (a1 * (Xp - Xs) + b1 * (Yp - Ys) + c1 * (Zp - Zs)) / (a3 * (Xp - Xs) + b3 * (Yp - Ys) + c3 * (Zp - Zs));
y = -f * (a2 * (Xp - Xs) + b2 * (Yp - Ys) + c2 * (Zp - Zs)) / (a3 * (Xp - Xs) + b3 * (Yp - Ys) + c3 * (Zp - Zs));
//对应原来图像的行列号
int i0 = (int)(x / pixelSize_x);
int j0 = (int)(y / pixelSize_y);
if (i0 >= 0 && i0 < ds.RasterXSize && j0 >= 0 && j0 < ds.RasterYSize)
{
for (int bandindex = 0; bandindex < ds.RasterCount; bandindex++)
{
int[] r_read = new int[1];
Band band = ds.GetRasterBand(bandindex + 1);
band.ReadRaster(i0, j0, 1, 1, r_read, 1, 1, 0, 0);
R[bandindex][j] = r_read[0];
}
}
else
{
for (int bandindex = 0; bandindex < ds.RasterCount; bandindex++)
{
R[bandindex][j] = 0;
}
}
}
for (int bandindex = 0; bandindex < ds.RasterCount; bandindex++)
{
Band memBand1 = dsMemory.GetRasterBand(bandindex + 1);
memBand1.WriteRaster(0, i, R[bandindex].Length, 1, R[bandindex], R[bandindex].Length, 1, 0, 0);
}
}
Driver drvJPG = Gdal.GetDriverByName("GTiff");
string dstFileName = @"E:\Correction.Tif";;
//Dataset dstDs = drvJPG.Create(dstFileName, srcWidth, srcHeight, bandCount, DataType.GDT_Byte, null);
drvJPG.CreateCopy(dstFileName, dsMemory, 1, null, null, null);
ds = dsMemory;
Rectangle pictureRect = new Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = this.pictureBox1.Width;
pictureRect.Height = this.pictureBox1.Height;
int[] disband = new int[3] {
1, 2, 3
};
Bitmap bitmap2 = fd.GetImage(this.ds, pictureRect, 3, disband); //遥感影像构建位图
pictureBox1.Image = bitmap2;
MessageBox.Show("计算完成！");
}
else
{
MessageBox.Show("没有图像！", "Error!");
}
}