62 #ifndef vtkFixedPointVolumeRayCastMapper_h
63 #define vtkFixedPointVolumeRayCastMapper_h
65 #include "vtkRenderingVolumeModule.h"
68 #define VTKKW_FP_SHIFT 15
69 #define VTKKW_FPMM_SHIFT 17
70 #define VTKKW_FP_MASK 0x7fff
71 #define VTKKW_FP_SCALE 32767.0
113 vtkSetMacro( SampleDistance,
float );
114 vtkGetMacro( SampleDistance,
float );
125 vtkSetMacro( InteractiveSampleDistance,
float );
126 vtkGetMacro( InteractiveSampleDistance,
float );
137 vtkSetClampMacro( ImageSampleDistance,
float, 0.1f, 100.0f );
138 vtkGetMacro( ImageSampleDistance,
float );
146 vtkSetClampMacro( MinimumImageSampleDistance,
float, 0.1f, 100.0f );
147 vtkGetMacro( MinimumImageSampleDistance,
float );
155 vtkSetClampMacro( MaximumImageSampleDistance,
float, 0.1f, 100.0f );
156 vtkGetMacro( MaximumImageSampleDistance,
float );
169 vtkSetClampMacro( AutoAdjustSampleDistances,
vtkTypeBool, 0, 1 );
170 vtkGetMacro( AutoAdjustSampleDistances,
vtkTypeBool );
171 vtkBooleanMacro( AutoAdjustSampleDistances,
vtkTypeBool );
183 vtkSetClampMacro( LockSampleDistanceToInputSpacing,
vtkTypeBool, 0, 1 );
184 vtkGetMacro( LockSampleDistanceToInputSpacing,
vtkTypeBool );
185 vtkBooleanMacro( LockSampleDistanceToInputSpacing,
vtkTypeBool );
194 void SetNumberOfThreads(
int num );
195 int GetNumberOfThreads();
203 vtkSetClampMacro( IntermixIntersectingGeometry,
vtkTypeBool, 0, 1 );
204 vtkGetMacro( IntermixIntersectingGeometry,
vtkTypeBool );
205 vtkBooleanMacro( IntermixIntersectingGeometry,
vtkTypeBool );
216 float ComputeRequiredImageSampleDistance(
float desiredTime,
218 float ComputeRequiredImageSampleDistance(
float desiredTime,
229 unsigned int ToFixedPointPosition(
float val );
230 void ToFixedPointPosition(
float in[3],
unsigned int out[3] );
231 unsigned int ToFixedPointDirection(
float dir );
232 void ToFixedPointDirection(
float in[3],
unsigned int out[3] );
233 void FixedPointIncrement(
unsigned int position[3],
unsigned int increment[3] );
234 void GetFloatTripleFromPointer(
float v[3],
float *ptr );
235 void GetUIntTripleFromPointer(
unsigned int v[3],
unsigned int *ptr );
236 void ShiftVectorDown(
unsigned int in[3],
unsigned int out[3] );
237 int CheckMinMaxVolumeFlag(
unsigned int pos[3],
int c );
238 int CheckMIPMinMaxVolumeFlag(
unsigned int pos[3],
int c,
unsigned short maxIdx,
int flip );
240 void LookupColorUC(
unsigned short *colorTable,
241 unsigned short *scalarOpacityTable,
242 unsigned short index,
243 unsigned char color[4] );
244 void LookupDependentColorUC(
unsigned short *colorTable,
245 unsigned short *scalarOpacityTable,
246 unsigned short index[4],
248 unsigned char color[4] );
249 void LookupAndCombineIndependentColorsUC(
250 unsigned short *colorTable[4],
251 unsigned short *scalarOpacityTable[4],
252 unsigned short index[4],
255 unsigned char color[4] );
256 int CheckIfCropped(
unsigned int pos[3] );
264 vtkGetVectorMacro( TableShift,
float, 4 );
265 vtkGetVectorMacro( TableScale,
float, 4 );
266 vtkGetMacro( ShadingRequired,
int );
267 vtkGetMacro( GradientOpacityRequired,
int );
283 void ComputeRayInfo(
int x,
int y,
286 unsigned int *numSteps );
288 void InitializeRayInfo(
vtkVolume *vol );
290 int ShouldUseNearestNeighborInterpolation(
vtkVolume *vol );
303 double *,
double *,
int * );
306 void RenderSubVolume();
310 void CreateCanonicalView(
vtkVolume *volume,
313 double viewDirection[3],
324 {
return this->RetrieveRenderTime( ren, vol ); }
326 {
return this->RetrieveRenderTime( ren ); }
343 vtkSetMacro( FinalColorWindow,
float );
344 vtkGetMacro( FinalColorWindow,
float );
345 vtkSetMacro( FinalColorLevel,
float );
346 vtkGetMacro( FinalColorLevel,
float );
353 vtkGetMacro( FlipMIPComparison,
int );
387 void ComputeMatrices(
double volumeOrigin[3],
388 double volumeSpacing[3],
394 int imageFlag,
int rowBoundsFlag,
395 int volumeExtent[6]);
441 int SavedColorChannels[4];
442 float SavedScalarOpacityDistance[4];
453 unsigned short ColorTable[4][32768*3];
454 unsigned short ScalarOpacityTable[4][32768];
455 unsigned short GradientOpacityTable[4][256];
460 float GradientMagnitudeScale[4];
461 float GradientMagnitudeShift[4];
476 unsigned short DiffuseShadingTable [4][65536*3];
477 unsigned short SpecularShadingTable[4][65536*3];
488 int ClipRayAgainstVolume(
float rayStart[3],
490 float rayDirection[3],
497 void UpdateCroppingRegions();
501 int ClipRayAgainstClippingPlanes(
float rayStart[3],
503 int numClippingPlanes,
504 float *clippingPlanes );
506 unsigned int FixedPointCroppingRegionPlanes[6];
507 unsigned int CroppingRegionMask[27];
512 float GetZBufferValue(
int x,
int y );
521 float ViewToVoxelsArray[16];
522 float WorldToVoxelsArray[16];
523 float VoxelsToWorldArray[16];
525 double CroppingBounds[6];
530 double SavedSpacing[3];
535 int MinMaxVolumeSize[4];
540 void UpdateMinMaxVolume(
vtkVolume *vol );
541 void FillInMaxGradientMagnitudes(
int fullDim[3],
549 void ApplyFinalColorWindowLevel();
580 out[0] = ((in[0]<0.0)?
584 out[1] = ((in[1]<0.0)?
588 out[2] = ((in[2]<0.0)?
596 if ( increment[0]&0x80000000 )
598 position[0] += (increment[0]&0x7fffffff);
604 if ( increment[1]&0x80000000 )
606 position[1] += (increment[1]&0x7fffffff);
612 if ( increment[2]&0x80000000 )
614 position[2] += (increment[2]&0x7fffffff);
638 unsigned int out[3] )
649 ( mmpos[2]*static_cast<vtkIdType>(
651 mmpos[1]*static_cast<vtkIdType>(this->MinMaxVolumeSize[0]) +
652 mmpos[0] ) + static_cast<vtkIdType>(c);
658 unsigned short maxIdx,
int flip )
662 ( mmpos[2]*static_cast<vtkIdType>(
664 mmpos[1]*static_cast<vtkIdType>(this->MinMaxVolumeSize[0]) +
665 mmpos[0] ) + static_cast<vtkIdType>(c);
675 return ( *(this->
MinMaxVolume + 3*offset + 1) > maxIdx );
685 unsigned short *scalarOpacityTable,
686 unsigned short index,
687 unsigned char color[4] )
689 unsigned short alpha = scalarOpacityTable[
index];
690 color[0] = static_cast<unsigned char>
692 color[1] = static_cast<unsigned char>
694 color[2] = static_cast<unsigned char>
700 unsigned short *scalarOpacityTable,
701 unsigned short index[4],
703 unsigned char color[4] )
705 unsigned short alpha;
706 switch ( components )
710 color[0] = static_cast<unsigned char>
712 color[1] = static_cast<unsigned char>
714 color[2] = static_cast<unsigned char>
730 unsigned short *scalarOpacityTable[4],
731 unsigned short index[4],
734 unsigned char color[4] )
736 unsigned int tmp[4] = {0,0,0,0};
738 for (
int i = 0; i < components; i++ )
740 unsigned short alpha = static_cast<unsigned short>(static_cast<float>(scalarOpacityTable[i][
index[i]])*weights[i]);
747 color[0] = static_cast<unsigned char>((tmp[0]>255)?(255):(tmp[0]));
748 color[1] = static_cast<unsigned char>((tmp[1]>255)?(255):(tmp[1]));
749 color[2] = static_cast<unsigned char>((tmp[2]>255)?(255):(tmp[2]));
750 color[3] = static_cast<unsigned char>((tmp[3]>255)?(255):(tmp[3]));