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XDL

XDMBandConvDataType Class
XDMBandConvDataType 클래스는 영상의 데이터 형식(Radiometric resolution)을 변환한다.
Inheritance Hierarchy
SystemObject
  Pixoneer.NXDL.NRSXDMBand
    Pixoneer.NXDL.NRSXDMBandConvDataType

Namespace: Pixoneer.NXDL.NRS
Assembly: NXDLrs (in NXDLrs.dll) Version: 2.0.3.38
Syntax
C#
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public class XDMBandConvDataType : XDMBand

The XDMBandConvDataType type exposes the following members.

Constructors
 NameDescription
Public methodXDMBandConvDataType XDMBandConvDataType클래스의 기본 생성자로서, 멤버변수에 대하여 초기화를 수행한다.
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Methods
 NameDescription
Public methodGetInputParam 데이터형식을 변환하기 위해 설정한 파라미터를 얻는다.
Public methodSetInputParam 데이터형식을 변환하기 위한 입력 파라미터를 설정.
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Example
아래의 예제는 unsigne short(2 bytes) 데이터를 unsigned char(1 byte)로 변환하는 것으로, eConvDataType.Clip 방법을 사용하여 0~255 사이 값만을 저장한다(0보다 작은 경우는 0으로, 255보다 큰 경우는 255로 대응하여 처리한다).
C#
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using Pixoneer.NXDL;
using Pixoneer.NXDL.NRS;
using Pixoneer.NXDL.NIO;

// IO initialize to load image file
XRasterIO RasterIO = new XRasterIO();
String strError = "";
if (RasterIO.Initialize(out strError) == false)
{
    return;
}

// Image load
String strFilePathLoad = "D:\\Sample\\IKONOS.xdm";
XRSLoadFile xrsFileInput = RasterIO.LoadFile(strFilePathLoad, out strError, false, eIOCreateXLDMode.All_NoMsg);

// Set input param
XBandParamConvDataType InputParam = new XBandParamConvDataType();
InputParam.SrcBand = xrsFileInput.GetBandAt(0);
InputParam.ConvMethod = eConvDataType.Clip;
InputParam.DataRangeMin = 0.0;
InputParam.DataRangeMax = 255.0;
InputParam.DataType = eDataType.UINT08;

// Create New process band and set input param
XDMBandConvDataType bandProcess = new XDMBandConvDataType();
if (!bandProcess.SetInputParam(ref InputParam))
{
    return;
}

// create XRSSaveFile to save realtime band(XDMBandXXXX)
// load another file to protect thread lock(it is stable and faster).
XRSLoadFile fileLoad = RasterIO.LoadFile(strFilePathLoad, out strError, false, eIOCreateXLDMode.All_NoMsg);
XRSSaveFile fileSave = new XRSSaveFile();
for (int i = 0; i < fileLoad.NumBand; i++)
{
    XDMBand bandRaw = fileLoad.GetBandAt(i);
    XBandParamConvDataType param = new XBandParamConvDataType(ref InputParam);
    param.SrcBand = bandRaw;

    XDMBandConvDataType bandTmp = new XDMBandConvDataType();
    bandTmp.BandName = bandRaw.BandName;
    bandTmp.SetInputParam(ref param);

    XDMBand bandCast = (XDMBand)bandTmp;
    fileSave.AddBand(ref bandCast);
}
// Save output file
XThread thd = null;
String strFilePathSave = "D:\\Sample\\Out_ConvDataType.xdm";
if (!RasterIO.Export(ref fileSave, strFilePathSave, "XDM", out strError, thd))
{
    return;
}
See Also