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XDL

XDMBandEpipolarDEM Class

한 쌍의 에피폴라(Epipolar) 이미지로부터 DEM을 추출한다. A digital elevation model is a digital model or 3D representation of a terrain's surface.
Inheritance Hierarchy

Namespace:  Pixoneer.NXDL.NRS
Assembly:  NXDLrs (in NXDLrs.dll) Version: 1.2.817.72
Syntax
C#
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public class XDMBandEpipolarDEM : XDMBand

The XDMBandEpipolarDEM type exposes the following members.

Constructors
  NameDescription
Public methodXDMBandEpipolarDEM
XDMBandEpipolarDEM클래스의 기본 생성자로서, 멤버변수에 대하여 초기화를 수행한다.
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Methods
  NameDescription
Public methodGenerate
설정된 스테레오 이미지로부터 DEM을 생성한다.
Public methodGetInputParam
DEM생성을 위한 입력 파라미터를 얻는다.
Public methodGetTIN
TIN 데이터를 생성한다.
Public methodSetInputParam
DEM 생성을 위한 입력 파라미터를 설정한다.
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Examples
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using Pixoneer.NXDL;
using Pixoneer.NXDL.NRS;
using Pixoneer.NXDL.NIO;
using Pixoneer.NXDL.NSM;

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

// Left and right Image load 
String strFilePathLoad1 = "D:\\Sample\\RS_Sample\\Epipolar\\po_120030_pan_0010000000.xdm";
String strFilePathLoad2 = "D:\\Sample\\RS_Sample\\Epipolar\\po_120030_pan_0000010000.xdm";
XRSLoadFile xrsFileInput1 = RasterIO.LoadFile(strFilePathLoad1, out strError, false, eIOCreateXLDMode.All_NoMsg);
XRSLoadFile xrsFileInput2 = RasterIO.LoadFile(strFilePathLoad2, out strError, false, eIOCreateXLDMode.All_NoMsg);

// Load left and right rpc and make SensorModel
String strRPCPathLoad1 = "D:\\Sample\\RS_Sample\\Epipolar\\po_120030_pan_0010000000.rpc";
String strRPCPathLoad2 = "D:\\Sample\\RS_Sample\\Epipolar\\po_120030_pan_0000010000.rpc";
XRpc smL = new XRpc();
XRpc smR = new XRpc();
smL.LoadFromRPC(strRPCPathLoad1, eSensorRPCType.Ikonos, out strError);
smR.LoadFromRPC(strRPCPathLoad2, eSensorRPCType.Ikonos, out strError);

// Set input param
XBandParamEpipolarDEM InputParam = new XBandParamEpipolarDEM();
InputParam.SrcBandL = xrsFileInput1.GetBandAt(0);
InputParam.SrcBandR = xrsFileInput2.GetBandAt(0);
InputParam.SensorModelL = smL;
InputParam.SensorModelR = smR;
InputParam.KernelW = 11;
InputParam.KernelH = 11;
InputParam.CorrThreshold = 0.7;
InputParam.BlankValue = 0;
InputParam.ApplyCrossHair = false;
InputParam.MaxParallaxX = 100;
InputParam.MaxParallaxY = 0;
InputParam.RadiusP2G = 20;

// Create new process band and set input param
XDMBandEpipolarDEM bandProcess = new XDMBandEpipolarDEM();
bandProcess.SetInputParam(ref InputParam);

bandProcess.Generate(0, 100, 500, 100, 500, 0.00001, 0.00001, null);

// Create XRSSaveFile to save realtime band(XDMBandXXXX)
XRSSaveFile fileSave = new XRSSaveFile();
XDMBand bandCast = (XDMBand)bandProcess;

fileSave.AddBand(ref bandCast);

// Save epipolar dem file
XThread thd = null;
String strFilePathSave = "D:\\Sample\\EpipolarDEM.xdm";
if (!RasterIO.Export(ref fileSave, strFilePathSave, "XDM", out strError, thd))
{
    return;
}
See Also