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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*=========================================================================
Program: Visualization Toolkit
Module: TestPolyhedronCutter.cxx
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 "vtkCutter.h"
#include "vtkPlane.h"
#include "vtkPolygon.h"
#include "vtkUnstructuredGrid.h"
#include "vtkXMLUnstructuredGridReader.h"
#include <set>
int TestPolyhedronCutter(int argc, char* argv[])
{
vtkObject::GlobalWarningDisplayOff();
vtkNew<vtkXMLUnstructuredGridReader> r;
if (argc < 3)
{
cout << "Not enough arguments. Passing test nonetheless.";
return EXIT_SUCCESS;
}
char* fname = argv[1];
r->SetFileName(fname);
r->Update();
vtkUnstructuredGrid* grid = r->GetOutput();
if (grid->GetNumberOfCells() != 1)
{
return EXIT_FAILURE;
}
vtkNew<vtkCutter> cut;
vtkNew<vtkPlane> cutPlane;
cutPlane->SetOrigin(0, 0, 350);
cutPlane->SetNormal(1, 0, 0);
cut->GenerateTrianglesOff();
cut->SetCutFunction(cutPlane);
cut->AddInputConnection(r->GetOutputPort());
cut->Update();
vtkPolyData* result = cut->GetOutput();
if (!result)
{
return EXIT_FAILURE;
}
if (result->GetNumberOfCells() != 1)
{
return EXIT_FAILURE;
}
vtkCell* aCell = result->GetCell(0);
vtkPolygon* cell = vtkPolygon::SafeDownCast(aCell);
if (!cell)
{
return EXIT_FAILURE;
}
if (cell->GetNumberOfEdges() != 5)
{
cerr << "The resulting polygon consists of " << cell->GetNumberOfEdges()
<< " edges instead of the expected 5 edges." << endl;
return EXIT_FAILURE;
}
vtkIdList* ids = cell->GetPointIds();
std::set<vtkIdType> uniqueIds;
for (int i = 0; i < 5; ++i)
{
uniqueIds.insert(ids->GetId(i));
}
if (uniqueIds.size() != 5)
{
cerr << "The resulting polygon consists of invalid edges" << endl;
return EXIT_FAILURE;
}
// For the second slice operation, the only requirement (currently) is that it returns *a result*
fname = argv[2];
r->SetFileName(fname);
r->Update();
grid = r->GetOutput();
if (grid->GetNumberOfCells() <= 0)
{
return EXIT_FAILURE;
}
cut->Update();
result = cut->GetOutput();
if (!result || result->GetNumberOfCells() <= 0)
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
|
