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=========================================================================*/
39#ifndef vtkExtractSelectedFrustum_h
40#define vtkExtractSelectedFrustum_h
41
42#include "vtkFiltersGeneralModule.h" // For export macro
44
45class vtkPlanes;
46class vtkInformation;
48class vtkCell;
49class vtkPoints;
50class vtkDoubleArray;
51
52class VTKFILTERSGENERAL_EXPORT vtkExtractSelectedFrustum : public vtkExtractSelectionBase
53{
54public:
57 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
58
62 vtkMTimeType GetMTime() VTK_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,int);
119 vtkGetMacro(ShowBounds,int);
120 vtkBooleanMacro(ShowBounds,int);
122
124
127 vtkSetMacro(InsideOut,int);
128 vtkGetMacro(InsideOut,int);
129 vtkBooleanMacro(InsideOut,int);
131
132protected:
135
136 // sets up output dataset
137 int RequestDataObject(vtkInformation* request,
138 vtkInformationVector** inputVector,
139 vtkInformationVector* outputVector) VTK_OVERRIDE;
140
141 //execution
142 int RequestData(vtkInformation *,
143 vtkInformationVector **, vtkInformationVector *) VTK_OVERRIDE;
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],
158
159 //modes
160 int FieldType;
161 int ContainingCells;
162 int InsideOut;
163
164 //used internally
165 vtkPlanes *Frustum;
166 int np_vertids[6][2];
167
168 //for debugging
169 vtkPoints *ClipPoints;
170 int NumRejects;
171 int NumIsects;
172 int NumAccepts;
173 int ShowBounds;
174
175private:
176 vtkExtractSelectedFrustum(const vtkExtractSelectedFrustum&) VTK_DELETE_FUNCTION;
177 void operator=(const vtkExtractSelectedFrustum&) VTK_DELETE_FUNCTION;
178
179};
180
181#endif
abstract class to specify cell behavior
Definition: vtkCell.h:60
dynamic, self-adjusting array of double
Returns the portion of the input dataset that lies within a selection frustum.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkMTimeType GetMTime() override
Return the MTime taking into account changes to the Frustum.
static vtkExtractSelectedFrustum * New()
abstract base class for all extract selection filters.
a simple class to control print indentation
Definition: vtkIndent.h:40
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
implicit function for convex set of planes
Definition: vtkPlanes.h:55
represent and manipulate 3D points
Definition: vtkPoints.h:40
@ points
Definition: vtkX3D.h:446
std::pair< boost::graph_traits< vtkGraph * >::vertex_iterator, boost::graph_traits< vtkGraph * >::vertex_iterator > vertices(vtkGraph *g)
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkBooleanMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkTypeUInt64 vtkMTimeType
Definition: vtkType.h:248