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vtkExtractSelectedFrustum Class Reference

Returns the portion of the input dataset that lies within a selection frustum. More...

#include <vtkExtractSelectedFrustum.h>

Inheritance diagram for vtkExtractSelectedFrustum:
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Collaboration diagram for vtkExtractSelectedFrustum:
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Public Types

typedef vtkExtractSelectionBase Superclass
 
- Public Types inherited from vtkExtractSelectionBase
typedef vtkDataObjectAlgorithm Superclass
 

Public Member Functions

virtual int IsA (const char *type)
 
vtkExtractSelectedFrustumNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
unsigned long GetMTime ()
 
void CreateFrustum (double vertices[32])
 
int OverallBoundsTest (double *bounds)
 
virtual void SetFrustum (vtkPlanes *)
 
virtual vtkPlanes * GetFrustum ()
 
virtual vtkPoints * GetClipPoints ()
 
virtual void SetFieldType (int)
 
virtual int GetFieldType ()
 
virtual void SetContainingCells (int)
 
virtual int GetContainingCells ()
 
virtual void SetShowBounds (int)
 
virtual int GetShowBounds ()
 
virtual void ShowBoundsOn ()
 
virtual void ShowBoundsOff ()
 
virtual void SetInsideOut (int)
 
virtual int GetInsideOut ()
 
virtual void InsideOutOn ()
 
virtual void InsideOutOff ()
 
- Public Member Functions inherited from vtkExtractSelectionBase
vtkExtractSelectionBaseNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
void SetSelectionConnection (vtkAlgorithmOutput *algOutput)
 
virtual void SetPreserveTopology (int)
 
virtual int GetPreserveTopology ()
 
virtual void PreserveTopologyOn ()
 
virtual void PreserveTopologyOff ()
 

Static Public Member Functions

static vtkExtractSelectedFrustumNew ()
 
static int IsTypeOf (const char *type)
 
static vtkExtractSelectedFrustumSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkExtractSelectionBase
static int IsTypeOf (const char *type)
 
static vtkExtractSelectionBaseSafeDownCast (vtkObjectBase *o)
 

Protected Member Functions

virtual vtkObjectBase * NewInstanceInternal () const
 
 vtkExtractSelectedFrustum (vtkPlanes *f=NULL)
 
 ~vtkExtractSelectedFrustum ()
 
virtual int RequestDataObject (vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
 
virtual int RequestData (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
 
int ABoxFrustumIsect (double bounds[], vtkCell *cell)
 
int FrustumClipPolygon (int nverts, double *ivlist, double *wvlist, double *ovlist)
 
void PlaneClipPolygon (int nverts, double *ivlist, int pid, int &noverts, double *ovlist)
 
void PlaneClipEdge (double *V0, double *V1, int pid, int &noverts, double *overts)
 
int IsectDegenerateCell (vtkCell *cell)
 
void ComputePlane (int idx, double v0[3], double v1[2], double v2[3], vtkPoints *points, vtkDoubleArray *norms)
 
- Protected Member Functions inherited from vtkExtractSelectionBase
 vtkExtractSelectionBase ()
 
 ~vtkExtractSelectionBase ()
 
virtual int FillInputPortInformation (int port, vtkInformation *info)
 

Protected Attributes

int FieldType
 
int ContainingCells
 
int InsideOut
 
vtkPlanes * Frustum
 
int np_vertids [6][2]
 
vtkPoints * ClipPoints
 
int NumRejects
 
int NumIsects
 
int NumAccepts
 
int ShowBounds
 
- Protected Attributes inherited from vtkExtractSelectionBase
int PreserveTopology
 

Detailed Description

Returns the portion of the input dataset that lies within a selection frustum.

This class intersects the input DataSet with a frustum and determines which cells and points lie within the frustum. The frustum is defined with a vtkPlanes containing six cutting planes. The output is a DataSet that is either a shallow copy of the input dataset with two new "vtkInsidedness" attribute arrays, or a completely new UnstructuredGrid that contains only the cells and points of the input that are inside the frustum. The PreserveTopology flag controls which occurs. When PreserveTopology is off this filter adds a scalar array called vtkOriginalCellIds that says what input cell produced each output cell. This is an example of a Pedigree ID which helps to trace back results.

See Also
vtkExtractGeometry, vtkAreaPicker, vtkExtractSelection, vtkSelection
Tests:
vtkExtractSelectedFrustum (Tests)

Definition at line 51 of file vtkExtractSelectedFrustum.h.

Member Typedef Documentation

Definition at line 55 of file vtkExtractSelectedFrustum.h.

Constructor & Destructor Documentation

vtkExtractSelectedFrustum::vtkExtractSelectedFrustum ( vtkPlanes *  f = NULL)
protected
vtkExtractSelectedFrustum::~vtkExtractSelectedFrustum ( )
protected

Member Function Documentation

static vtkExtractSelectedFrustum* vtkExtractSelectedFrustum::New ( )
static
static int vtkExtractSelectedFrustum::IsTypeOf ( const char *  type)
static
virtual int vtkExtractSelectedFrustum::IsA ( const char *  type)
virtual

Reimplemented from vtkExtractSelectionBase.

static vtkExtractSelectedFrustum* vtkExtractSelectedFrustum::SafeDownCast ( vtkObjectBase *  o)
static
virtual vtkObjectBase* vtkExtractSelectedFrustum::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkExtractSelectionBase.

vtkExtractSelectedFrustum* vtkExtractSelectedFrustum::NewInstance ( ) const
void vtkExtractSelectedFrustum::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
unsigned long vtkExtractSelectedFrustum::GetMTime ( )

Return the MTime taking into account changes to the Frustum

virtual void vtkExtractSelectedFrustum::SetFrustum ( vtkPlanes *  )
virtual

Set the selection frustum. The planes object must contain six planes.

virtual vtkPlanes* vtkExtractSelectedFrustum::GetFrustum ( )
virtual

Set the selection frustum. The planes object must contain six planes.

void vtkExtractSelectedFrustum::CreateFrustum ( double  vertices[32])

Given eight vertices, creates a frustum. each pt is x,y,z,1 in the following order near lower left, far lower left near upper left, far upper left near lower right, far lower right near upper right, far upper right

virtual vtkPoints* vtkExtractSelectedFrustum::GetClipPoints ( )
virtual

Return eight points that define the selection frustum. Valid if create Frustum was used, invalid if SetFrustum was.

virtual void vtkExtractSelectedFrustum::SetFieldType ( int  )
virtual

Sets/gets the intersection test type.

virtual int vtkExtractSelectedFrustum::GetFieldType ( )
virtual

Sets/gets the intersection test type.

virtual void vtkExtractSelectedFrustum::SetContainingCells ( int  )
virtual

Sets/gets the intersection test type. Only meaningful when fieldType is vtkSelection::POINT

virtual int vtkExtractSelectedFrustum::GetContainingCells ( )
virtual

Sets/gets the intersection test type. Only meaningful when fieldType is vtkSelection::POINT

int vtkExtractSelectedFrustum::OverallBoundsTest ( double *  bounds)

Does a quick test on the AABBox defined by the bounds.

virtual void vtkExtractSelectedFrustum::SetShowBounds ( int  )
virtual

When On, this returns an unstructured grid that outlines selection area. Off is the default.

virtual int vtkExtractSelectedFrustum::GetShowBounds ( )
virtual

When On, this returns an unstructured grid that outlines selection area. Off is the default.

virtual void vtkExtractSelectedFrustum::ShowBoundsOn ( )
virtual

When On, this returns an unstructured grid that outlines selection area. Off is the default.

virtual void vtkExtractSelectedFrustum::ShowBoundsOff ( )
virtual

When On, this returns an unstructured grid that outlines selection area. Off is the default.

virtual void vtkExtractSelectedFrustum::SetInsideOut ( int  )
virtual

When on, extracts cells outside the frustum instead of inside.

virtual int vtkExtractSelectedFrustum::GetInsideOut ( )
virtual

When on, extracts cells outside the frustum instead of inside.

virtual void vtkExtractSelectedFrustum::InsideOutOn ( )
virtual

When on, extracts cells outside the frustum instead of inside.

virtual void vtkExtractSelectedFrustum::InsideOutOff ( )
virtual

When on, extracts cells outside the frustum instead of inside.

virtual int vtkExtractSelectedFrustum::RequestDataObject ( vtkInformation *  request,
vtkInformationVector **  inputVector,
vtkInformationVector *  outputVector 
)
protectedvirtual

Sets up empty output dataset

Reimplemented from vtkExtractSelectionBase.

virtual int vtkExtractSelectedFrustum::RequestData ( vtkInformation *  ,
vtkInformationVector **  ,
vtkInformationVector *   
)
protectedvirtual
int vtkExtractSelectedFrustum::ABoxFrustumIsect ( double  bounds[],
vtkCell *  cell 
)
protected
int vtkExtractSelectedFrustum::FrustumClipPolygon ( int  nverts,
double *  ivlist,
double *  wvlist,
double *  ovlist 
)
protected
void vtkExtractSelectedFrustum::PlaneClipPolygon ( int  nverts,
double *  ivlist,
int  pid,
int &  noverts,
double *  ovlist 
)
protected
void vtkExtractSelectedFrustum::PlaneClipEdge ( double *  V0,
double *  V1,
int  pid,
int &  noverts,
double *  overts 
)
protected
int vtkExtractSelectedFrustum::IsectDegenerateCell ( vtkCell *  cell)
protected
void vtkExtractSelectedFrustum::ComputePlane ( int  idx,
double  v0[3],
double  v1[2],
double  v2[3],
vtkPoints *  points,
vtkDoubleArray *  norms 
)
protected

Member Data Documentation

int vtkExtractSelectedFrustum::FieldType
protected

Definition at line 138 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::ContainingCells
protected

Definition at line 139 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::InsideOut
protected

Definition at line 140 of file vtkExtractSelectedFrustum.h.

vtkPlanes* vtkExtractSelectedFrustum::Frustum
protected

Definition at line 143 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::np_vertids[6][2]
protected

Definition at line 144 of file vtkExtractSelectedFrustum.h.

vtkPoints* vtkExtractSelectedFrustum::ClipPoints
protected

Definition at line 147 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::NumRejects
protected

Definition at line 148 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::NumIsects
protected

Definition at line 149 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::NumAccepts
protected

Definition at line 150 of file vtkExtractSelectedFrustum.h.

int vtkExtractSelectedFrustum::ShowBounds
protected

Definition at line 151 of file vtkExtractSelectedFrustum.h.


The documentation for this class was generated from the following file: