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118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSliceCubes.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkSliceCubes
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* @brief generate isosurface(s) from volume four slices at a time
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*
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* vtkSliceCubes is a special version of the marching cubes filter. Instead
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* of ingesting an entire volume at once it processes only four slices at
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* a time. This way, it can generate isosurfaces from huge volumes. Also, the
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* output of this object is written to a marching cubes triangle file. That
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* way, output triangles do not need to be held in memory.
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*
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* To use vtkSliceCubes you must specify an instance of vtkVolumeReader to
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* read the data. Set this object up with the proper file prefix, image range,
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* data origin, data dimensions, header size, data mask, and swap bytes flag.
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* The vtkSliceCubes object will then take over and read slices as necessary.
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* You also will need to specify the name of an output marching cubes triangle
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* file.
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*
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* @warning
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* This process object is both a source and mapper (i.e., it reads and writes
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* data to a file). This is different than the other marching cubes objects
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* (and most process objects in the system). It's specialized to handle very
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* large data.
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*
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* @warning
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* This object only extracts a single isosurface. This compares with the other
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* contouring objects in vtk that generate multiple surfaces.
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*
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* @warning
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* To read the output file use vtkMCubesReader.
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*
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* @sa
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* vtkMarchingCubes vtkContourFilter vtkMCubesReader vtkDividingCubes vtkVolumeReader
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*/
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#ifndef vtkSliceCubes_h
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#define vtkSliceCubes_h
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#include "vtkImagingHybridModule.h" // For export macro
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#include "vtkObject.h"
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class vtkVolumeReader;
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class VTKIMAGINGHYBRID_EXPORT vtkSliceCubes : public vtkObject
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{
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public:
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static vtkSliceCubes* New();
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vtkTypeMacro(vtkSliceCubes, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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// methods to make it look like a filter
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void Write() { this->Update(); }
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void Update();
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//@{
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/**
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* Set/get object to read slices.
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*/
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virtual void SetReader(vtkVolumeReader*);
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vtkGetObjectMacro(Reader, vtkVolumeReader);
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//@}
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//@{
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/**
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* Specify file name of marching cubes output file.
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*/
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vtkSetStringMacro(FileName);
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vtkGetStringMacro(FileName);
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//@}
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//@{
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/**
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* Set/get isosurface contour value.
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*/
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vtkSetMacro(Value, double);
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vtkGetMacro(Value, double);
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//@}
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//@{
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/**
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* Specify file name of marching cubes limits file. The limits file
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* speeds up subsequent reading of output triangle file.
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*/
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vtkSetStringMacro(LimitsFileName);
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vtkGetStringMacro(LimitsFileName);
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//@}
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protected:
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vtkSliceCubes();
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~vtkSliceCubes() override;
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void Execute();
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vtkVolumeReader* Reader;
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char* FileName;
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double Value;
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char* LimitsFileName;
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private:
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vtkSliceCubes(const vtkSliceCubes&) = delete;
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void operator=(const vtkSliceCubes&) = delete;
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};
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#endif
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