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XDL

XDMBandSpatialFilter Class
XDMBandSpatialFilter 클래스는 Smoothing, Sharpening 등 공간 필터링을 수행한다.
Inheritance Hierarchy
SystemObject
  Pixoneer.NXDL.NRSXDMBand
    Pixoneer.NXDL.NRSXDMBandSpatialFilter

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

The XDMBandSpatialFilter type exposes the following members.

Constructors
 NameDescription
Public methodXDMBandSpatialFilter XDMBandSpatialFilter클래스의 기본 생성자로서, 멤버변수에 대하여 초기화를 수행한다.
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Methods
 NameDescription
Public methodGetInputParam 공간 필터에 대한 입력 파라미터를 얻는다.
Public methodSetInputParam 공간 필터에 대한 입력 파라미터를 설정.
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Example
입력 영상을 Kenel 3x3을 이용하여 average filter를 적용해 부드럽게 만들어 XDM 파일로 저장한다.
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
XBandParamSpatialFilter InputParam = new XBandParamSpatialFilter();
InputParam.SrcBand = xrsFileInput.GetBandAt(0);
InputParam.FilterMethod = eSpatialFilterMethod.Average;
InputParam.KernelSize = 3;

// Create New process band and set input param
XDMBandSpatialFilter bandProcess = new XDMBandSpatialFilter();
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);
    XBandParamSpatialFilter param = new XBandParamSpatialFilter(ref InputParam);
    param.SrcBand = bandRaw;

    XDMBandSpatialFilter bandTmp = new XDMBandSpatialFilter();
    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_SpatialFilter.xdm";
if (!RasterIO.Export(ref fileSave, strFilePathSave, "XDM", out strError, thd))
{
    return;
}
See Also