1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*=========================================================================
Program: Visualization Toolkit
Module: ArrayMatricizeArray.cxx
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include <vtkArrayData.h>
#include <vtkArrayPrint.h>
#include <vtkMatricizeArray.h>
#include <vtkSmartPointer.h>
#include <vtkSparseArray.h>
#include <iostream>
#include <stdexcept>
#define test_expression(expression) \
{ \
if(!(expression)) \
throw std::runtime_error("Expression failed: " #expression); \
}
int ArrayMatricizeArray(int vtkNotUsed(argc), char *vtkNotUsed(argv)[])
{
try
{
// Create an array ...
vtkSmartPointer<vtkSparseArray<double> > array = vtkSmartPointer<vtkSparseArray<double> >::New();
array->Resize(vtkArrayExtents(2, 2, 2));
double value = 0;
const vtkArrayExtents extents = array->GetExtents();
for(int i = extents[0].GetBegin(); i != extents[0].GetEnd(); ++i)
{
for(int j = extents[1].GetBegin(); j != extents[1].GetEnd(); ++j)
{
for(int k = extents[2].GetBegin(); k != extents[2].GetEnd(); ++k)
{
array->AddValue(vtkArrayCoordinates(i, j, k), value++);
}
}
}
std::cout << "array source:\n";
vtkPrintCoordinateFormat(std::cout, array.GetPointer());
// Create an array data object to hold it ...
vtkSmartPointer<vtkArrayData> array_data = vtkSmartPointer<vtkArrayData>::New();
array_data->AddArray(array);
// Matricize it ...
vtkSmartPointer<vtkMatricizeArray> matricize = vtkSmartPointer<vtkMatricizeArray>::New();
matricize->SetInputData(array_data);
matricize->SetSliceDimension(0);
matricize->Update();
vtkSparseArray<double>* const matricized_array = vtkSparseArray<double>::SafeDownCast(
matricize->GetOutput()->GetArray(static_cast<vtkIdType>(0)));
test_expression(matricized_array);
std::cout << "matricize output:\n";
vtkPrintCoordinateFormat(std::cout, matricized_array);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(0, 0)) == 0);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(0, 1)) == 1);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(0, 2)) == 2);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(0, 3)) == 3);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(1, 0)) == 4);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(1, 1)) == 5);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(1, 2)) == 6);
test_expression(matricized_array->GetValue(vtkArrayCoordinates(1, 3)) == 7);
return EXIT_SUCCESS;
}
catch(std::exception& e)
{
std::cout << e.what() << std::endl;
return EXIT_FAILURE;
}
}
|
