VTK  9.2.6
vtkHull.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkHull.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=========================================================================*/
40
41#ifndef vtkHull_h
42#define vtkHull_h
43
44#include "vtkFiltersCoreModule.h" // For export macro
46#include <vector> //for storing planes
47
48class vtkCellArray;
49class vtkPlanes;
50class vtkPoints;
51class vtkPolyData;
52
53class VTKFILTERSCORE_EXPORT vtkHull : public vtkPointSetAlgorithm
54{
55public:
57
61 static vtkHull* New();
63 void PrintSelf(ostream& os, vtkIndent indent) override;
65
69 void RemoveAllPlanes(void);
70
72
83 int AddPlane(double A, double B, double C);
84 int AddPlane(double plane[3]);
86
88
96 void SetPlane(int i, double A, double B, double C);
97 void SetPlane(int i, double plane[3]);
99
101
105 int AddPlane(double A, double B, double C, double D);
106 int AddPlane(double plane[3], double D);
107 void SetPlane(int i, double A, double B, double C, double D);
108 void SetPlane(int i, double plane[3], double D);
110
115 void SetPlanes(vtkPlanes* planes);
116
121
128
136
142
153
155
166 void GenerateHull(vtkPolyData* pd, double* bounds);
168 vtkPolyData* pd, double xmin, double xmax, double ymin, double ymax, double zmin, double zmax);
170
171protected:
172 vtkHull() = default;
173 ~vtkHull() override = default;
174
175 // The planes - 4 doubles per plane for A, B, C, D.
176 std::vector<double> Planes;
177
178 // Internal method used to find the position of each plane
180
181 // Internal method used to create the actual polygons from the set
182 // of planes
183 void ClipPolygonsFromPlanes(vtkPoints* points, vtkCellArray* polys, const double* bounds);
184
185 // Internal method used to create the initial "big" polygon from the
186 // plane equation. This polygon is clipped by all other planes to form
187 // the final polygon (or it may be clipped entirely)
188 void CreateInitialPolygon(double*, int, const double*);
189
190 // The method that does it all...
192
193 // Specify that the output is of type vtkPolyData
194 int FillOutputPortInformation(int port, vtkInformation* info) override;
195
196private:
197 vtkHull(const vtkHull&) = delete;
198 void operator=(const vtkHull&) = delete;
199};
200
201#endif
object to represent cell connectivity
void AddCubeVertexPlanes()
Add the 8 planes that represent the vertices of a cube - the combination of the three face planes con...
int GetNumberOfPlanes()
Get the number of planes in the current set of planes.
void AddCubeEdgePlanes()
Add the 12 planes that represent the edges of a cube - halfway between the two connecting face planes...
void ClipPolygonsFromPlanes(vtkPoints *points, vtkCellArray *polys, const double *bounds)
void SetPlane(int i, double plane[3], double D)
Variations of AddPlane()/SetPlane() that allow D to be set.
int FillOutputPortInformation(int port, vtkInformation *info) override
Fill the output port information objects for this algorithm.
void SetPlane(int i, double plane[3])
Set the normal values for plane i.
int AddPlane(double plane[3], double D)
Variations of AddPlane()/SetPlane() that allow D to be set.
int AddPlane(double plane[3])
Add a plane to the current set of planes.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods to instantiate, obtain type information, and print information about the class.
~vtkHull() override=default
void AddRecursiveSpherePlanes(int level)
Add the planes that represent the normals of the vertices of a polygonal sphere formed by recursively...
void ComputePlaneDistances(vtkPointSet *input)
vtkHull()=default
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void CreateInitialPolygon(double *, int, const double *)
void GenerateHull(vtkPolyData *pd, double *bounds)
A special method that is used to generate a polyhedron directly from a set of n planes.
void GenerateHull(vtkPolyData *pd, double xmin, double xmax, double ymin, double ymax, double zmin, double zmax)
A special method that is used to generate a polyhedron directly from a set of n planes.
void RemoveAllPlanes(void)
Remove all planes from the current set of planes.
int AddPlane(double A, double B, double C)
Add a plane to the current set of planes.
void SetPlane(int i, double A, double B, double C, double D)
Variations of AddPlane()/SetPlane() that allow D to be set.
static vtkHull * New()
Standard methods to instantiate, obtain type information, and print information about the class.
int AddPlane(double A, double B, double C, double D)
Variations of AddPlane()/SetPlane() that allow D to be set.
void AddCubeFacePlanes()
Add the six planes that make up the faces of a cube - (1,0,0), (-1, 0, 0), (0,1,0),...
void SetPlanes(vtkPlanes *planes)
Set all the planes at once using a vtkPlanes implicit function.
std::vector< double > Planes
Definition vtkHull.h:176
void SetPlane(int i, double A, double B, double C)
Set the normal values for plane i.
a simple class to control print indentation
Definition vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
implicit function for convex set of planes
Definition vtkPlanes.h:50
concrete class for storing a set of points
Definition vtkPointSet.h:67
represent and manipulate 3D points
Definition vtkPoints.h:34
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition vtkPolyData.h:85