RescaleImage.cs
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* Usage:
* $ export LD_LIBRARY_PATH=$HOME/Projects/gdcm/debug-gcc/bin
* $ mono bin/DecompressImage.exe gdcmData/012345.002.050.dcm rescaled.dcm
*/
using System;
using gdcm;
public class DecompressImage
{
public static int Main(string[] args)
{
string file1 = args[0];
ImageReader reader = new ImageReader();
reader.SetFileName( file1 );
bool ret = reader.Read();
if( !ret )
{
return 1;
}
Image image = reader.GetImage();
PixelFormat pixeltype = image.GetPixelFormat();
Rescaler r = new Rescaler();
r.SetIntercept( 0 );
r.SetSlope( 1.2 );
r.SetPixelFormat( pixeltype );
PixelFormat outputpt = new PixelFormat( r.ComputeInterceptSlopePixelType() );
System.Console.WriteLine( "pixeltype" );
System.Console.WriteLine( pixeltype.toString() );
System.Console.WriteLine( "outputpt" );
System.Console.WriteLine( outputpt.toString() );
uint len = image.GetBufferLength();
short[] input = new short[ len / 2 ]; // sizeof(short) == 2
image.GetArray( input );
double[] output = new double[ len / 2 ];
r.Rescale( output, input, len );
// First Pixel is:
System.Console.WriteLine( "Input:" );
System.Console.WriteLine( input[0] );
System.Console.WriteLine( "Output:" );
System.Console.WriteLine( output[0] );
return 0;
}
}
gdcm::Bitmap::GetBufferLength
unsigned long GetBufferLength() const
gdcm::Bitmap::GetPixelFormat
const PixelFormat & GetPixelFormat() const
Get/Set PixelFormat.
Definition gdcmBitmap.h:107
gdcm::ImageReader
ImageReader.
Definition gdcmImageReader.h:34
gdcm::ImageReader::GetImage
const Image & GetImage() const
Return the read image.
gdcm::ImageReader::Read
bool Read() override
gdcm::Image
Image.
Definition gdcmImage.h:47
gdcm::PixelFormat
PixelFormat.
Definition gdcmPixelFormat.h:46
gdcm::Reader::SetFileName
void SetFileName(const char *filename_native)
gdcm::Rescaler
Rescale class.
Definition gdcmRescaler.h:69
gdcm::Rescaler::Rescale
bool Rescale(char *out, const char *in, size_t n)
Direct transform.
gdcm::Rescaler::ComputeInterceptSlopePixelType
PixelFormat::ScalarType ComputeInterceptSlopePixelType()
gdcm::Rescaler::SetSlope
void SetSlope(double s)
Set Slope: user for both direct&inverse transformation.
Definition gdcmRescaler.h:85
gdcm::Rescaler::SetPixelFormat
void SetPixelFormat(PixelFormat const &pf)
Set Pixel Format of input data.
Definition gdcmRescaler.h:98
gdcm::Rescaler::SetIntercept
void SetIntercept(double i)
Set Intercept: used for both direct&inverse transformation.
Definition gdcmRescaler.h:81
gdcm::System
Class to do system operation.
Definition gdcmSystem.h:27
gdcm
Definition gdcmASN1.h:21