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vtkUnstructuredGridHomogeneousRayIntegrator.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkUnstructuredGridHomogeneousRayIntegrator.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 
16 /*
17  * Copyright 2004 Sandia Corporation.
18  * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
19  * license for use of this work by or on behalf of the
20  * U.S. Government. Redistribution and use in source and binary forms, with
21  * or without modification, are permitted provided that this Notice and any
22  * statement of authorship are reproduced on all copies.
23  */
24 
37 #ifndef vtkUnstructuredGridHomogeneousRayIntegrator_h
38 #define vtkUnstructuredGridHomogeneousRayIntegrator_h
39 
40 #include "vtkRenderingVolumeModule.h" // For export macro
42 
43 class vtkVolumeProperty;
44 
46 {
47 public:
51  void PrintSelf(ostream &os, vtkIndent indent) VTK_OVERRIDE;
52 
53  void Initialize(vtkVolume *volume, vtkDataArray *scalars) VTK_OVERRIDE;
54 
55  void Integrate(vtkDoubleArray *intersectionLengths,
56  vtkDataArray *nearIntersections,
57  vtkDataArray *farIntersections,
58  float color[4]) VTK_OVERRIDE;
59 
61 
66  vtkSetMacro(TransferFunctionTableSize, int);
67  vtkGetMacro(TransferFunctionTableSize, int);
69 
70 protected:
73 
74  vtkVolume *Volume;
75  vtkVolumeProperty *Property;
76 
77  int NumComponents;
78  float **ColorTable;
79  float **AttenuationTable;
80  double *TableShift;
81  double *TableScale;
82  vtkTimeStamp TablesBuilt;
83 
84  int UseAverageColor;
85  int TransferFunctionTableSize;
86 
87  virtual void GetTransferFunctionTables(vtkDataArray *scalars);
88 
89 private:
91  void operator=(const vtkUnstructuredGridHomogeneousRayIntegrator&) VTK_DELETE_FUNCTION;
92 };
93 
94 #endif //vtkUnstructuredGridHomogeneousRayIntegrator_h
represents a volume (data & properties) in a rendered scene
Definition: vtkVolume.h:44
virtual void Initialize(vtkVolume *volume, vtkDataArray *scalars)=0
Set up the integrator with the given properties and scalars.
record modification and/or execution time
Definition: vtkTimeStamp.h:32
dynamic, self-adjusting array of double
a superclass for volume ray integration functions
a simple class to control print indentation
Definition: vtkIndent.h:33
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
represents the common properties for rendering a volume.
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual void Integrate(vtkDoubleArray *intersectionLengths, vtkDataArray *nearIntersections, vtkDataArray *farIntersections, float color[4])=0
Given a set of intersections (defined by the three arrays), compute the peicewise integration of the ...