VTK  9.2.6
vtkExtractSelectedFrustum.h
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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 
43 #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:
133  vtkExtractSelectedFrustum(vtkPlanes* f = nullptr);
134  ~vtkExtractSelectedFrustum() override;
135 
136  // sets up output dataset
137  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
138  vtkInformationVector* outputVector) override;
139 
140  // execution
142  int ABoxFrustumIsect(double bounds[], vtkCell* cell);
143  int FrustumClipPolygon(int nverts, double* ivlist, double* wvlist, double* ovlist);
144  void PlaneClipPolygon(int nverts, double* ivlist, int pid, int& noverts, double* ovlist);
145  void PlaneClipEdge(double* V0, double* V1, int pid, int& noverts, double* overts);
146  int IsectDegenerateCell(vtkCell* cell);
147 
148  // used in CreateFrustum
149  void ComputePlane(
150  int idx, double v0[3], double v1[2], double v2[3], vtkPoints* points, vtkDoubleArray* norms);
151 
152  // modes
156 
157  // used internally
159  int np_vertids[6][2];
160 
161  // for debugging
167 
168 private:
170  void operator=(const vtkExtractSelectedFrustum&) = delete;
171 };
172 
173 #endif
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287
static vtkDataObjectAlgorithm * New()
abstract base class for all extract selection filters.
implicit function for convex set of planes
Definition: vtkPlanes.h:52
std::pair< boost::graph_traits< vtkGraph * >::vertex_iterator, boost::graph_traits< vtkGraph * >::vertex_iterator > vertices(vtkGraph *g)
dynamic, self-adjusting array of double
int vtkTypeBool
Definition: vtkABI.h:69
abstract class to specify cell behavior
Definition: vtkCell.h:60
int RequestDataObject(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Sets up empty output dataset.
a simple class to control print indentation
Definition: vtkIndent.h:39
virtual vtkMTimeType GetMTime()
Return this object's modified time.
Returns the portion of the input dataset that lies within a selection frustum.
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
Store zero or more vtkInformation instances.
represent and manipulate 3D points
Definition: vtkPoints.h:39
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.