VTK
vtkVolumeRayCastSpaceLeapingImageFilter.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkFixedPointVolumeRayCastMapper.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 =========================================================================*/
32 #ifndef vtkVolumeRayCastSpaceLeapingImageFilter_h
33 #define vtkVolumeRayCastSpaceLeapingImageFilter_h
34 
35 #include "vtkRenderingVolumeModule.h" // For export macro
37 
38 class vtkDataArray;
39 
41 {
42 public:
44  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
45 
47 
49 
52  virtual void SetCurrentScalars( vtkDataArray * );
53  vtkGetObjectMacro( CurrentScalars, vtkDataArray );
55 
57 
60  vtkSetMacro( IndependentComponents, int );
61  vtkGetMacro( IndependentComponents, int );
63 
65 
68  vtkSetMacro( ComputeGradientOpacity, int );
69  vtkGetMacro( ComputeGradientOpacity, int );
70  vtkBooleanMacro( ComputeGradientOpacity, int );
72 
74 
77  vtkSetMacro( ComputeMinMax, int );
78  vtkGetMacro( ComputeMinMax, int );
79  vtkBooleanMacro( ComputeMinMax, int );
81 
83 
87  vtkSetMacro( UpdateGradientOpacityFlags, int );
88  vtkGetMacro( UpdateGradientOpacityFlags, int );
89  vtkBooleanMacro( UpdateGradientOpacityFlags, int );
91 
97  { return LastMinMaxBuildTime.GetMTime(); }
98 
104  { return LastMinMaxFlagTime.GetMTime(); }
105 
107 
115  vtkSetVector4Macro( TableShift, float );
116  vtkGetVector4Macro( TableShift, float );
117  vtkSetVector4Macro( TableScale, float );
118  vtkGetVector4Macro( TableScale, float );
119  vtkSetVector4Macro( TableSize, int );
120  vtkGetVector4Macro( TableSize, int );
122 
127  int GetNumberOfIndependentComponents();
128 
137  unsigned short * GetMinMaxVolume( int dims[4] );
138 
144  virtual void SetCache(vtkImageData * imageCache);
145 
151  static void ComputeInputExtentsForOutput( int inExt[6],
152  int inDim[3], int outExt[6], vtkImageData *inData );
153 
155 
160  unsigned short * GetMinNonZeroScalarIndex();
161  unsigned char * GetMinNonZeroGradientMagnitudeIndex();
163 
165 
170  void SetGradientMagnitude( unsigned char ** gradientMagnitude );
171  unsigned char **GetGradientMagnitude();
173 
175 
179  void SetScalarOpacityTable( int c, unsigned short * t);
180  void SetGradientOpacityTable( int c, unsigned short * t );
182 
188  vtkIdType ComputeOffset(const int ext[6], const int wholeExt[6],
189  int nComponents);
190 
191  // This method helps debug. It writes out a specific component of the
192  // computed min-max-volume structure
193  //static void WriteMinMaxVolume( int component, unsigned short *minMaxVolume,
194  // int minMaxVolumeSize[4], const char *filename );
195 
196 protected:
199 
204  float TableShift[4];
205  float TableScale[4];
206  int TableSize[4];
210  unsigned short * MinNonZeroScalarIndex;
212  unsigned char ** GradientMagnitude;
213  unsigned short * ScalarOpacityTable[4];
214  unsigned short * GradientOpacityTable[4];
216 
217 
218  void InternalRequestUpdateExtent(int *, int*);
219 
221 
226  vtkInformationVector *) VTK_OVERRIDE;
227  void ThreadedRequestData( vtkInformation *request,
228  vtkInformationVector **inputVector,
229  vtkInformationVector *outputVector,
230  vtkImageData ***inData,
231  vtkImageData **outData,
232  int outExt[6], int id) VTK_OVERRIDE;
233  int RequestData( vtkInformation* request,
234  vtkInformationVector** inputVector,
235  vtkInformationVector* outputVector) VTK_OVERRIDE;
236  int RequestInformation( vtkInformation *,
238  vtkInformationVector *) VTK_OVERRIDE;
240 
246  void ComputeFirstNonZeroOpacityIndices();
247 
252  void FillScalarOpacityFlags(
253  vtkImageData *minMaxVolume, int outExt[6] );
254 
260  void FillScalarAndGradientOpacityFlags(
261  vtkImageData *minMaxVolume, int outExt[6] );
262 
264 
269  void AllocateOutputData(vtkImageData *out,
270  vtkInformation* outInfo,
271  int *uExtent) VTK_OVERRIDE;
272  vtkImageData *AllocateOutputData(vtkDataObject *out,
273  vtkInformation *outInfo) VTK_OVERRIDE;
275 
276 private:
278  void operator=(const vtkVolumeRayCastSpaceLeapingImageFilter&) VTK_DELETE_FUNCTION;
279 };
280 
281 #endif
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:300
record modification and/or execution time
Definition: vtkTimeStamp.h:35
int vtkIdType
Definition: vtkType.h:345
virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
Subclasses can reimplement this method to translate the update extent requests from each output port ...
Generic filter that has one input.
vtkMTimeType GetLastMinMaxBuildTime()
Get the last execution time.
a simple class to control print indentation
Definition: vtkIndent.h:39
topologically and geometrically regular array of data
Definition: vtkImageData.h:45
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
vtkMTimeType GetLastMinMaxFlagTime()
Get the last execution time.
Store zero or more vtkInformation instances.
static vtkAlgorithm * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkBooleanMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
general representation of visualization data
Definition: vtkDataObject.h:64