VTK
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 =========================================================================*/
36 #ifndef vtkExtractSelectedFrustum_h
37 #define vtkExtractSelectedFrustum_h
38 
39 #include "vtkFiltersGeneralModule.h" // For export macro
41 
42 class vtkPlanes;
43 class vtkInformation;
45 class vtkCell;
46 class vtkPoints;
47 class vtkDoubleArray;
48 
49 class VTKFILTERSGENERAL_EXPORT vtkExtractSelectedFrustum : public vtkExtractSelectionBase
50 {
51 public:
54  void PrintSelf(ostream& os, vtkIndent indent) override;
55 
59  vtkMTimeType GetMTime() override;
60 
62 
65  virtual void SetFrustum(vtkPlanes*);
66  vtkGetObjectMacro(Frustum,vtkPlanes);
68 
78  void CreateFrustum(double vertices[32]);
79 
81 
85  vtkGetObjectMacro(ClipPoints, vtkPoints);
87 
89 
92  vtkSetMacro(FieldType,int);
93  vtkGetMacro(FieldType,int);
95 
97 
101  vtkSetMacro(ContainingCells,int);
102  vtkGetMacro(ContainingCells,int);
104 
108  int OverallBoundsTest(double *bounds);
109 
111 
115  vtkSetMacro(ShowBounds,vtkTypeBool);
116  vtkGetMacro(ShowBounds,vtkTypeBool);
117  vtkBooleanMacro(ShowBounds,vtkTypeBool);
119 
121 
124  vtkSetMacro(InsideOut,vtkTypeBool);
125  vtkGetMacro(InsideOut,vtkTypeBool);
126  vtkBooleanMacro(InsideOut,vtkTypeBool);
128 
129 protected:
131  ~vtkExtractSelectedFrustum() override;
132 
133  // sets up output dataset
134  int RequestDataObject(vtkInformation* request,
135  vtkInformationVector** inputVector,
136  vtkInformationVector* outputVector) override;
137 
138  //execution
141  int ABoxFrustumIsect(double bounds[], vtkCell *cell);
142  int FrustumClipPolygon(int nverts,
143  double *ivlist, double *wvlist, double *ovlist);
144  void PlaneClipPolygon(int nverts, double *ivlist,
145  int pid, int &noverts, double *ovlist);
146  void PlaneClipEdge(double *V0, double *V1,
147  int pid, int &noverts, double *overts);
148  int IsectDegenerateCell(vtkCell *cell);
149 
150 
151  //used in CreateFrustum
152  void ComputePlane(int idx,
153  double v0[3], double v1[2], double v2[3],
154  vtkPoints *points, vtkDoubleArray *norms);
155 
156  //modes
160 
161  //used internally
163  int np_vertids[6][2];
164 
165  //for debugging
171 
172 private:
174  void operator=(const vtkExtractSelectedFrustum&) = delete;
175 
176 };
177 
178 #endif
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302
static vtkDataObjectAlgorithm * New()
abstract base class for all extract selection filters.
implicit function for convex set of planes
Definition: vtkPlanes.h:49
dynamic, self-adjusting array of double
int vtkTypeBool
Definition: vtkABI.h:69
abstract class to specify cell behavior
Definition: vtkCell.h:56
int RequestDataObject(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Sets up empty output dataset.
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual vtkMTimeType GetMTime()
Return this object's modified time.
std::pair< boost::graph_traits< vtkGraph * >::vertex_iterator, boost::graph_traits< vtkGraph * >::vertex_iterator > vertices(vtkGraph *g)
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:33
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.