public GDAL_Info(Dataset ds)
{
Projection = ds.GetProjectionRef();
Resolution = new Size(ds.RasterXSize, ds.RasterYSize);
Bands = new DataBandInfo[ds.RasterCount];
for (int i = 0; i < ds.RasterCount; i++)
{
Band band = ds.GetRasterBand(i + 1);
Bands[i] = new DataBandInfo();
int temp;
band.GetMaximum(out Bands[i].MaxValue, out temp);
band.GetMaximum(out Bands[i].MinValue, out temp);
band.GetNoDataValue(out Bands[i].NODATAValue, out temp);
ColorInterp clr = band.GetRasterColorInterpretation();
switch (clr)
{
case ColorInterp.GCI_RedBand:
Bands[i].Name = "RedBand";
Bands[i].Image = Resource1.red_layer;
BppType += "R";
break;
case ColorInterp.GCI_GreenBand:
Bands[i].Name = "GreenBand";
Bands[i].Image = Resource1.green_layer;
BppType += "G";
break;
case ColorInterp.GCI_BlueBand:
Bands[i].Name = "BlueBand";
Bands[i].Image = Resource1.blue_layer;
BppType += "B";
break;
default:
Bands[i].Name = clr.ToString();
Bands[i].Image = null;
BppType += "?";
break;
}
BppType += "[" + Gdal.GetDataTypeName(band.DataType) + "]";
Bpp += (ushort)Gdal.GetDataTypeSize(band.DataType);
if (i + 1 < ds.RasterCount)
BppType += ",";
}
BppType += " (" + Bpp + ")";
Driver = ds.GetDriver().LongName;
Metadata = ds.GetMetadata("");
ImgMetadata = ds.GetMetadata("IMAGE_STRUCTURE");
SubDSMetadata = ds.GetMetadata("SUBDATASETS");
GeoLocMetadata = ds.GetMetadata("GEOLOCATION");
GDALInfoGetPosition(ds, 0.0, 0.0, out UpperLeftX, out UpperLeftY);
GDALInfoGetPosition(ds, 0.0, ds.RasterYSize, out UpperRightX, out UpperRightY);
GDALInfoGetPosition(ds, ds.RasterXSize, 0.0, out LowerLeftX, out LowerLeftY);
GDALInfoGetPosition(ds, ds.RasterXSize, ds.RasterYSize, out LowerRightX, out LowerRightY);
GDALInfoGetPosition(ds, ds.RasterXSize / 2, ds.RasterYSize / 2, out CenterX, out CenterY);
}
private void menu_openFile_Click(object sender, RoutedEventArgs e)
{
try
{
Microsoft.Win32.OpenFileDialog OpenFileDialog = new Microsoft.Win32.OpenFileDialog();
OpenFileDialog.Filter = "所有图像文件 | *.bmp; *.pcx; *.png; *.jpg; *.gif; *.img; *.hdr;" +
"位图( *.bmp; *.jpg; *.png;...) | *.bmp; *.pcx; *.png; *.jpg; *.gif; *.tif; *.ico|";
OpenFileDialog.Title = "打开图像文件";
if (OpenFileDialog.ShowDialog() == true)
{
String filename = OpenFileDialog.FileName.ToString();
dataSet = Gdal.Open(filename, Access.GA_ReadOnly);
if (dataSet == null)
{
MessageBox.Show("影像打开失败");
return;
}
pictureRect = new System.Drawing.Rectangle();
pictureRect.X = 0;
pictureRect.Y = 0;
pictureRect.Width = Convert.ToInt16(this.mainScrollv.Width);
pictureRect.Height = Convert.ToInt16(this.mainScrollv.Height);
string[] metaData = dataSet.GetMetadata("");
BandWindow BandWindow = new BandWindow(metaData);
BandWindow.Show();
BandWindow.BandChoice += LoadImage;
}
}
catch
{
MessageBox.Show("请导入正确的图像文件");
return;
}
}