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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageSlabReslice.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
#include "vtkImageSlabReslice.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkObjectFactory.h"
#include "vtkImageData.h"
vtkStandardNewMacro(vtkImageSlabReslice);
//----------------------------------------------------------------------------
vtkImageSlabReslice::vtkImageSlabReslice()
{
// Input is 3D, ouptut is a 2D projection within the slab.
this->OutputDimensionality = 2;
// Number of sample points along the blendDirection to the resliced
// direction that will be "slabbed"
this->NumBlendSamplePoints = 1;
// Default blend mode is maximum intensity projection through the data.
this->BlendMode = VTK_IMAGE_SLAB_MAX;
this->SlabThickness = 10; // mm or world coords
this->SlabResolution = 1; // mm or world coords
}
//----------------------------------------------------------------------------
vtkImageSlabReslice::~vtkImageSlabReslice()
{
}
//----------------------------------------------------------------------------
int vtkImageSlabReslice::RequestInformation(
vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
this->NumBlendSamplePoints = 2*(static_cast<
int >(this->SlabThickness/(2.0 * this->SlabResolution))) + 1;
this->SlabNumberOfSlices = this->NumBlendSamplePoints;
this->SlabMode = this->BlendMode;
this->Superclass::RequestInformation(request, inputVector, outputVector);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
double spacing[3];
outInfo->Get(vtkDataObject::SPACING(), spacing);
spacing[2] = this->SlabResolution;
outInfo->Set(vtkDataObject::SPACING(), spacing, 3);
return 1;
}
//----------------------------------------------------------------------------
void vtkImageSlabReslice::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Blend mode: " << this->BlendMode << endl;
os << indent << "SlabResolution (world units): " << this->SlabResolution << endl;
os << indent << "SlabThickness (world units): " << this->SlabThickness << endl;
os << indent << "Max Number of slices blended: "
<< this->NumBlendSamplePoints << endl;
}
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