VTK  9.2.6
vtkUnstructuredGridVolumeRayCastMapper.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkUnstructuredGridVolumeRayCastMapper.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
29#ifndef vtkUnstructuredGridVolumeRayCastMapper_h
30#define vtkUnstructuredGridVolumeRayCastMapper_h
31
32#include "vtkRenderingVolumeModule.h" // For export macro
34
35class vtkDoubleArray;
36class vtkIdList;
39class vtkRenderer;
40class vtkTimerLog;
44class vtkVolume;
45
46class VTKRENDERINGVOLUME_EXPORT vtkUnstructuredGridVolumeRayCastMapper
48{
49public:
52 void PrintSelf(ostream& os, vtkIndent indent) override;
53
55
60 vtkSetClampMacro(ImageSampleDistance, float, 0.1f, 100.0f);
61 vtkGetMacro(ImageSampleDistance, float);
63
65
69 vtkSetClampMacro(MinimumImageSampleDistance, float, 0.1f, 100.0f);
70 vtkGetMacro(MinimumImageSampleDistance, float);
72
74
78 vtkSetClampMacro(MaximumImageSampleDistance, float, 0.1f, 100.0f);
79 vtkGetMacro(MaximumImageSampleDistance, float);
81
83
89 vtkSetClampMacro(AutoAdjustSampleDistances, vtkTypeBool, 0, 1);
90 vtkGetMacro(AutoAdjustSampleDistances, vtkTypeBool);
91 vtkBooleanMacro(AutoAdjustSampleDistances, vtkTypeBool);
93
95
99 vtkSetMacro(NumberOfThreads, int);
100 vtkGetMacro(NumberOfThreads, int);
102
104
108 vtkSetClampMacro(IntermixIntersectingGeometry, vtkTypeBool, 0, 1);
109 vtkGetMacro(IntermixIntersectingGeometry, vtkTypeBool);
110 vtkBooleanMacro(IntermixIntersectingGeometry, vtkTypeBool);
112
114
118 vtkGetObjectMacro(RayCastFunction, vtkUnstructuredGridVolumeRayCastFunction);
120
122
127 vtkGetObjectMacro(RayIntegrator, vtkUnstructuredGridVolumeRayIntegrator);
129
134 void Render(vtkRenderer*, vtkVolume*) override;
135
143
144 vtkGetVectorMacro(ImageInUseSize, int, 2);
145 vtkGetVectorMacro(ImageOrigin, int, 2);
146 vtkGetVectorMacro(ImageViewportSize, int, 2);
147
148 void CastRays(int threadID, int threadCount);
149
150protected:
153
158
161
163
164 // This is how big the image would be if it covered the entire viewport
165 int ImageViewportSize[2];
166
167 // This is how big the allocated memory for image is. This may be bigger
168 // or smaller than ImageFullSize - it will be bigger if necessary to
169 // ensure a power of 2, it will be smaller if the volume only covers a
170 // small region of the viewport
171 int ImageMemorySize[2];
172
173 // This is the size of subregion in ImageSize image that we are using for
174 // the current image. Since ImageSize is a power of 2, there is likely
175 // wasted space in it. This number will be used for things such as clearing
176 // the image if necessary.
177 int ImageInUseSize[2];
178
179 // This is the location in ImageFullSize image where our ImageSize image
180 // is located.
181 int ImageOrigin[2];
182
183 // This is the allocated image
184 unsigned char* Image;
185
191
192 void StoreRenderTime(vtkRenderer* ren, vtkVolume* vol, float t);
194
196
197 float* ZBuffer;
198 int ZBufferSize[2];
199 int ZBufferOrigin[2];
200
201 // Get the ZBuffer value corresponding to location (x,y) where (x,y)
202 // are indexing into the ImageInUse image. This must be converted to
203 // the zbuffer image coordinates. Nearest neighbor value is returned.
204 double GetZBufferValue(int x, int y);
205
207
212
217
220
223
224private:
226 void operator=(const vtkUnstructuredGridVolumeRayCastMapper&) = delete;
227};
228
229#endif
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:56
dynamic, self-adjusting array of double
list of point or cell ids
Definition: vtkIdList.h:34
a simple class to control print indentation
Definition: vtkIndent.h:40
A class for performing multithreaded execution.
helper class that draws the image to the screen
abstract specification for renderers
Definition: vtkRenderer.h:73
Timer support and logging.
Definition: vtkTimerLog.h:96
Abstract class for an unstructured grid volume mapper.
vtkUnstructuredGridVolumeRayCastIterator is a superclass for iterating over the intersections of a vi...
A software mapper for unstructured volumes.
vtkUnstructuredGridVolumeRayIntegrator * RealRayIntegrator
void Render(vtkRenderer *, vtkVolume *) override
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE Initialize rendering for this volume.
static vtkUnstructuredGridVolumeRayCastMapper * New()
vtkUnstructuredGridVolumeRayIntegrator * RayIntegrator
vtkUnstructuredGridVolumeRayCastIterator ** RayCastIterators
virtual void SetRayCastFunction(vtkUnstructuredGridVolumeRayCastFunction *f)
Set/Get the helper class for casting rays.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void CastRays(int threadID, int threadCount)
void ReleaseGraphicsResources(vtkWindow *) override
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE Release any graphics resources that are being...
vtkUnstructuredGridVolumeRayCastFunction * RayCastFunction
void StoreRenderTime(vtkRenderer *ren, vtkVolume *vol, float t)
float RetrieveRenderTime(vtkRenderer *ren, vtkVolume *vol)
virtual void SetRayIntegrator(vtkUnstructuredGridVolumeRayIntegrator *ri)
Set/Get the helper class for integrating rays.
double GetMinimumBoundsDepth(vtkRenderer *ren, vtkVolume *vol)
a superclass for volume ray integration functions
represents a volume (data & properties) in a rendered scene
Definition: vtkVolume.h:51
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39
int vtkTypeBool
Definition: vtkABI.h:69