VTK  9.2.5
vtkHyperTreeGridScales.h
Go to the documentation of this file.
1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkHyperTreeGridScales.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=========================================================================*/
29#ifndef vtkHyperTreeGridScales_h
30#define vtkHyperTreeGridScales_h
31
32#include <cstring> // For memcpy
33#include <vector> // For std::vector
34
36{
37public:
42 vtkHyperTreeGridScales(double branchfactor, const double scale[3])
43 : BranchFactor(branchfactor)
44 , CurrentFailLevel(1)
45 , CellScales(scale, scale + 3)
46 {
47 }
48
50
54 double GetBranchFactor() const { return this->BranchFactor; }
55
59 double* GetScale(unsigned int level) const
60 {
61 this->Update(level);
62 return this->CellScales.data() + 3 * level;
63 }
64
68 double GetScaleX(unsigned int level) const
69 {
70 this->Update(level);
71 return this->CellScales[3 * level + 0];
72 }
73
77 double GetScaleY(unsigned int level) const
78 {
79 this->Update(level);
80 return this->CellScales[3 * level + 1];
81 }
82
86 double GetScaleZ(unsigned int level) const
87 {
88 this->Update(level);
89 return this->CellScales[3 * level + 2];
90 }
91
95 void GetScale(unsigned int level, double scale[3]) const
96 {
97 this->Update(level);
98 memcpy(scale, this->CellScales.data() + 3 * level, 3 * sizeof(double));
99 }
100
104 unsigned int GetCurrentFailLevel() const { return this->CurrentFailLevel; }
105
106private:
108 vtkHyperTreeGridScales& operator=(const vtkHyperTreeGridScales&) = delete;
109
115 void Update(unsigned int level) const
116 {
117 if (level < this->CurrentFailLevel)
118 {
119 return;
120 }
121 this->CurrentFailLevel = level + 1;
122 this->CellScales.resize(3 * this->CurrentFailLevel);
123 auto current = this->CellScales.begin() + 3 * (this->CurrentFailLevel - 1);
124 auto previous = current - 3;
125 auto end = this->CellScales.end();
126 for (; current != end; ++current, ++previous)
127 {
128 *current = *previous / this->BranchFactor;
129 }
130 }
131
135 const double BranchFactor;
136
140 mutable unsigned int CurrentFailLevel;
141 mutable std::vector<double> CellScales;
142};
143
144#endif
145// VTK-HeaderTest-Exclude: vtkHyperTreeGridScales.h
A specifalized type of vtkHyperTreeGrid for the case when root cells have uniform sizes in each direc...
double GetScaleX(unsigned int level) const
JB.
vtkHyperTreeGridScales(double branchfactor, const double scale[3])
JB Construit cette classe a partir du scale de la maille d'origine d'un HyperTree et du subdivision f...
~vtkHyperTreeGridScales()=default
double GetBranchFactor() const
JB Retourne le scale des mailles du niveau demande.
double GetScaleY(unsigned int level) const
JB.
double * GetScale(unsigned int level) const
JB Retourne le scale des mailles du niveau demande.
unsigned int GetCurrentFailLevel() const
JB.
void GetScale(unsigned int level, double scale[3]) const
JB Retourne le scale des mailles du niveau demande.
double GetScaleZ(unsigned int level) const
JB.
@ level
Definition: vtkX3D.h:401
@ previous
Definition: vtkX3D.h:455