VTK
vtkExtractSelectedFrustum.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkExtractSelectedFrustum.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 =========================================================================*/
39 #ifndef vtkExtractSelectedFrustum_h
40 #define vtkExtractSelectedFrustum_h
41 
42 #include "vtkFiltersGeneralModule.h" // For export macro
44 
45 class vtkPlanes;
46 class vtkInformation;
48 class vtkCell;
49 class vtkPoints;
50 class vtkDoubleArray;
51 
52 class VTKFILTERSGENERAL_EXPORT vtkExtractSelectedFrustum : public vtkExtractSelectionBase
53 {
54 public:
57  void PrintSelf(ostream& os, vtkIndent indent) override;
58 
62  vtkMTimeType GetMTime() override;
63 
65 
68  virtual void SetFrustum(vtkPlanes*);
69  vtkGetObjectMacro(Frustum,vtkPlanes);
71 
81  void CreateFrustum(double vertices[32]);
82 
84 
88  vtkGetObjectMacro(ClipPoints, vtkPoints);
90 
92 
95  vtkSetMacro(FieldType,int);
96  vtkGetMacro(FieldType,int);
98 
100 
104  vtkSetMacro(ContainingCells,int);
105  vtkGetMacro(ContainingCells,int);
107 
111  int OverallBoundsTest(double *bounds);
112 
114 
118  vtkSetMacro(ShowBounds,vtkTypeBool);
119  vtkGetMacro(ShowBounds,vtkTypeBool);
120  vtkBooleanMacro(ShowBounds,vtkTypeBool);
122 
124 
127  vtkSetMacro(InsideOut,vtkTypeBool);
128  vtkGetMacro(InsideOut,vtkTypeBool);
129  vtkBooleanMacro(InsideOut,vtkTypeBool);
131 
132 protected:
134  ~vtkExtractSelectedFrustum() override;
135 
136  // sets up output dataset
137  int RequestDataObject(vtkInformation* request,
138  vtkInformationVector** inputVector,
139  vtkInformationVector* outputVector) override;
140 
141  //execution
144  int ABoxFrustumIsect(double bounds[], vtkCell *cell);
145  int FrustumClipPolygon(int nverts,
146  double *ivlist, double *wvlist, double *ovlist);
147  void PlaneClipPolygon(int nverts, double *ivlist,
148  int pid, int &noverts, double *ovlist);
149  void PlaneClipEdge(double *V0, double *V1,
150  int pid, int &noverts, double *overts);
151  int IsectDegenerateCell(vtkCell *cell);
152 
153 
154  //used in CreateFrustum
155  void ComputePlane(int idx,
156  double v0[3], double v1[2], double v2[3],
157  vtkPoints *points, vtkDoubleArray *norms);
158 
159  //modes
163 
164  //used internally
166  int np_vertids[6][2];
167 
168  //for debugging
174 
175 private:
177  void operator=(const vtkExtractSelectedFrustum&) = delete;
178 
179 };
180 
181 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:39
vtkExtractSelectionBase.h
vtkInformationVector
Store zero or more vtkInformation instances.
Definition: vtkInformationVector.h:41
vtkExtractSelectedFrustum::ClipPoints
vtkPoints * ClipPoints
Definition: vtkExtractSelectedFrustum.h:169
vtkPlanes
implicit function for convex set of planes
Definition: vtkPlanes.h:55
vtkX3D::points
Definition: vtkX3D.h:446
vtkExtractSelectedFrustum::ShowBounds
vtkTypeBool ShowBounds
Definition: vtkExtractSelectedFrustum.h:173
vtkExtractSelectionBase::RequestDataObject
int RequestDataObject(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Sets up empty output dataset.
vtkObject::GetMTime
virtual vtkMTimeType GetMTime()
Return this object's modified time.
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:59
vertices
std::pair< boost::graph_traits< vtkGraph * >::vertex_iterator, boost::graph_traits< vtkGraph * >::vertex_iterator > vertices(vtkGraph *g)
Definition: vtkBoostGraphAdapter.h:841
vtkExtractSelectedFrustum::FieldType
int FieldType
Definition: vtkExtractSelectedFrustum.h:160
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkInformation
Store vtkAlgorithm input/output information.
Definition: vtkInformation.h:86
vtkExtractSelectedFrustum::InsideOut
vtkTypeBool InsideOut
Definition: vtkExtractSelectedFrustum.h:162
vtkExtractSelectionBase
abstract base class for all extract selection filters.
Definition: vtkExtractSelectionBase.h:30
vtkExtractSelectedFrustum::NumRejects
int NumRejects
Definition: vtkExtractSelectedFrustum.h:170
vtkExtractSelectedFrustum::ContainingCells
int ContainingCells
Definition: vtkExtractSelectedFrustum.h:161
vtkDataObjectAlgorithm::New
static vtkDataObjectAlgorithm * New()
vtkExtractSelectedFrustum::Frustum
vtkPlanes * Frustum
Definition: vtkExtractSelectedFrustum.h:165
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:41
vtkExtractSelectedFrustum::NumAccepts
int NumAccepts
Definition: vtkExtractSelectedFrustum.h:172
vtkDataObjectAlgorithm::RequestData
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
Definition: vtkDataObjectAlgorithm.h:122
vtkExtractSelectedFrustum::NumIsects
int NumIsects
Definition: vtkExtractSelectedFrustum.h:171
vtkExtractSelectionBase::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkTypeBool
int vtkTypeBool
Definition: vtkABI.h:69
vtkExtractSelectedFrustum
Returns the portion of the input dataset that lies within a selection frustum.
Definition: vtkExtractSelectedFrustum.h:52
vtkMTimeType
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302