public void CreateEmptyLdfFile()
{
Assert.That(_newFileName != null);
IGeoDataDriver driver = GeoDataDriver.GetDriverByName("LDF");
Assert.NotNull(driver);
ILdfDriver drv = driver as ILdfDriver;
Assert.NotNull(drv);
int width = 2048;
int height = 3390;
int bandCount = 10;
enumDataType dataType = enumDataType.UInt16;
enumInterleave interleave = enumInterleave.BSQ;
string version = "LDF";
//string proj4 = "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137";
string mapInfo = "{1,1}:{110,35}:{0.01,0.01}";
bool withHdr = true;
ILdfDataProvider prd = drv.Create(_newFileName, width, height, bandCount, dataType,
"INTERLEAVE=" + interleave.ToString(),
"VERSION=" + version,
//"SPATIALREF=" + proj4,
"MAPINFO=" + mapInfo, "WITHHDR=" + withHdr.ToString()) as ILdfDataProvider;
Assert.NotNull(prd);
Assert.That(prd.Width == width && prd.Height == height);
Assert.That(prd.BandCount == bandCount);
Assert.That(prd.DataType == dataType);
ILdfHeader header = prd.Header;
Assert.NotNull(header);
HdrFile hdr = header.ToHdrFile();
PrintHdrInfo(hdr);
Ldf1Header ldfheader = header as Ldf1Header;
Assert.NotNull(ldfheader);
Assert.That(ldfheader._width == width && ldfheader._height == height);
Assert.That(ldfheader.DataType == dataType);
Assert.NotNull(prd.SpatialRef);
for (int i = 0; i < bandCount; i++)
{
IRasterBand band = prd.GetRasterBand(i + 1);
Assert.NotNull(band);
Assert.That(band.Width == width && band.Height == height);
Assert.That(band.DataType == dataType);
}
prd.Dispose();
drv.Dispose();
Assert.True(File.Exists(_newFileName));
FileInfo fInfo = new FileInfo(_newFileName);
Assert.True(width * height * bandCount * 2 + header.HeaderSize == fInfo.Length);
ISpatialReference spatialRef = prd.SpatialRef;
Assert.NotNull(spatialRef);
Console.Out.WriteLine(spatialRef.ToString());
}
private static enumInterleave GetEnuminterleave(string interleave)
{
enumInterleave _enumInterleave = new enumInterleave();
switch (interleave.ToLower().Trim())
{
case "bsq": _enumInterleave = enumInterleave.BSQ; break;
case "bil": _enumInterleave = enumInterleave.BIL; break;
case "bip": _enumInterleave = enumInterleave.BIP; break;
}
return(_enumInterleave);
}
public virtual void Write(int xOffset, int yOffset, int xSize, int ySize, IntPtr buffer, enumDataType dataType, int xBufferSize, int yBufferSize, int bandCount, int[] bandMap, enumInterleave interleave)
{
throw new NotImplementedException();
}
private void CheckArgumentsisValid(int xOffset, int yOffset, int xSize, int ySize, IntPtr buffer, enumDataType dataType, int xBufferSize, int yBufferSize, int bandCount, int[] bandMap, enumInterleave interleave)
{
if (xOffset < 0 || yOffset < 0 || xOffset >= _width || yOffset >= _height)
{
throw new RequestBlockOutOfRasterException(xOffset, yOffset, xSize, ySize);
}
if (buffer == IntPtr.Zero || xBufferSize == 0 || yBufferSize == 0)
{
throw new BufferIsEmptyException();
}
if (xOffset + xSize > _width || yOffset + ySize > _height)
{
throw new Exception("Access window out of range in RasterIO()!");
}
if (bandCount == 0)
{
return;
}
if (bandMap == null || bandMap.Length == 0)
{
bandMap = new int[bandCount];
for (int i = 0; i < bandCount; i++)
{
bandMap[i] = i + 1;
}
}
foreach (int b in bandMap)
{
if (b < 1 || b > _bandCount)
{
throw new BandIndexOutOfRangeException(_bandCount, b);
}
}
}
public virtual void Read(int xOffset, int yOffset, int xSize, int ySize, IntPtr buffer, enumDataType dataType, int xBufferSize, int yBufferSize, int bandCount, int[] bandMap, enumInterleave interleave)
{
CheckArgumentsisValid(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, interleave);
IntPtr ptr0 = buffer;
switch (interleave)
{
case enumInterleave.BSQ:
ReadBandsToBSQ(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, ptr0);
break;
case enumInterleave.BIL:
ReadBandsToBIL(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, ptr0);
break;
case enumInterleave.BIP:
ReadBandToBIP(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, ptr0);
break;
default:
throw new InterleaveIsNotSupportException(interleave);
}
}
public void Read(int xOffset, int yOffset, int xSize, int ySize, IntPtr buffer, enumDataType dataType, int xBufferSize, int yBufferSize, int bandCount, int[] bandMap, enumInterleave interleave)
{
CheckArgumentsisValid(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, interleave);
IntPtr ptr0 = buffer;
ReadBandsToBSQ(xOffset, yOffset, xSize, ySize, buffer, dataType, xBufferSize, yBufferSize, bandCount, bandMap, ptr0);
}
public InterleaveIsNotSupportException(enumInterleave interleave)
{
_interleave = interleave;
}
