public static int Main(string[] args)
{
string filename = args[0];
gdcm.StreamImageReader reader = new gdcm.StreamImageReader();
reader.SetFileName(filename);
if (!reader.ReadImageInformation())
{
return(1);
}
// Get file infos
gdcm.File f = reader.GetFile();
// get some info about image
UIntArrayType extent = ImageHelper.GetDimensionsValue(f);
//System.Console.WriteLine( extent[0] );
uint dimx = extent[0];
//System.Console.WriteLine( extent[1] );
uint dimy = extent[1];
//System.Console.WriteLine( extent[2] );
uint dimz = extent[2];
PixelFormat pf = ImageHelper.GetPixelFormatValue(f);
int pixelsize = pf.GetPixelSize();
//System.Console.WriteLine( pixelsize );
// buffer to get the pixels
byte[] buffer = new byte[dimx * dimy * pixelsize];
for (int i = 0; i < dimz; i++)
{
// Define that I want the image 0, full size (dimx x dimy pixels)
reader.DefinePixelExtent(0, (ushort)dimx, 0, (ushort)dimy, (ushort)i, (ushort)(i + 1));
uint buf_len = reader.DefineProperBufferLength(); // take into account pixel size
//System.Console.WriteLine( buf_len );
if (buf_len > buffer.Length)
{
throw new Exception("buffer is too small for target");
}
if (reader.Read(buffer, (uint)buffer.Length))
{
using (System.IO.Stream stream =
System.IO.File.Open(@"/tmp/frame.raw",
System.IO.FileMode.Create))
{
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(stream);
writer.Write(buffer);
}
}
else
{
throw new Exception("can't read pixels error");
}
}
return(0);
}
public static int Main(string[] args)
{
string filename = args[0];
// instantiate the reader:
gdcm.ImageRegionReader reader = new gdcm.ImageRegionReader();
reader.SetFileName(filename);
// pull DICOM info:
if (!reader.ReadInformation())
{
return(1);
}
// Get file infos
gdcm.File f = reader.GetFile();
// get some info about image
UIntArrayType dims = ImageHelper.GetDimensionsValue(f);
PixelFormat pf = ImageHelper.GetPixelFormatValue(f);
int pixelsize = pf.GetPixelSize();
// buffer to get the pixels
byte[] buffer = new byte[dims[0] * dims[1] * pixelsize];
// define a simple box region.
BoxRegion box = new BoxRegion();
for (uint z = 0; z < dims[2]; z++)
{
// Define that I want the image 0, full size (dimx x dimy pixels)
// and do that for each z:
box.SetDomain(0, dims[0] - 1, 0, dims[1] - 1, z, z);
//System.Console.WriteLine( box.toString() );
reader.SetRegion(box);
// reader will try to load the uncompressed image region into buffer.
// the call returns an error when buffer.Length is too small. For instance
// one can call:
// uint buf_len = reader.ComputeBufferLength(); // take into account pixel size
// to get the exact size of minimum buffer
if (reader.ReadIntoBuffer(buffer, (uint)buffer.Length))
{
using (System.IO.Stream stream =
System.IO.File.Open(@"/tmp/frame.raw",
System.IO.FileMode.Create))
{
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(stream);
writer.Write(buffer);
}
}
else
{
throw new Exception("can't read pixels error");
}
}
return(0);
}
