1 /*M///////////////////////////////////////////////////////////////////////////////////////
2 //
3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
4 //
5 // By downloading, copying, installing or using the software you agree to this license.
6 // If you do not agree to this license, do not download, install,
7 // copy or use the software.
8 //
9 //
10 // License Agreement
11 // For Open Source Computer Vision Library
12 //
13 // Copyright (C) 2013, OpenCV Foundation, all rights reserved.
14 // Third party copyrights are property of their respective owners.
15 //
16 // Redistribution and use in source and binary forms, with or without modification,
17 // are permitted provided that the following conditions are met:
18 //
19 // * Redistribution's of source code must retain the above copyright notice,
20 // this list of conditions and the following disclaimer.
21 //
22 // * Redistribution's in binary form must reproduce the above copyright notice,
23 // this list of conditions and the following disclaimer in the documentation
24 // and/or other materials provided with the distribution.
25 //
26 // * The name of the copyright holders may not be used to endorse or promote products
27 // derived from this software without specific prior written permission.
28 //
29 // This software is provided by the copyright holders and contributors "as is" and
30 // any express or implied warranties, including, but not limited to, the implied
31 // warranties of merchantability and fitness for a particular purpose are disclaimed.
32 // In no event shall the Intel Corporation or contributors be liable for any direct,
33 // indirect, incidental, special, exemplary, or consequential damages
34 // (including, but not limited to, procurement of substitute goods or services;
35 // loss of use, data, or profits; or business interruption) however caused
36 // and on any theory of liability, whether in contract, strict liability,
37 // or tort (including negligence or otherwise) arising in any way out of
38 // the use of this software, even if advised of the possibility of such damage.
39 //
40 // Authors:
41 // * Anatoly Baksheev, Itseez Inc. myname.mysurname <> mycompany.com
42 //
43 //M*/
44
45 #include "precomp.hpp"
46
47 namespace cv { namespace viz
48 {
49 vtkStandardNewMacro(vtkXYZReader);
50 }}
51
52
vtkXYZReader()53 cv::viz::vtkXYZReader::vtkXYZReader()
54 {
55 this->FileName = 0;
56 this->SetNumberOfInputPorts(0);
57 }
58
~vtkXYZReader()59 cv::viz::vtkXYZReader::~vtkXYZReader()
60 {
61 this->SetFileName(0);
62 }
63
PrintSelf(ostream & os,vtkIndent indent)64 void cv::viz::vtkXYZReader::PrintSelf(ostream& os, vtkIndent indent)
65 {
66 this->Superclass::PrintSelf(os,indent);
67 os << indent << "FileName: " << (this->FileName ? this->FileName : "(none)") << "\n";
68 }
69
RequestData(vtkInformation *,vtkInformationVector **,vtkInformationVector * outputVector)70 int cv::viz::vtkXYZReader::RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector)
71 {
72 // Make sure we have a file to read.
73 if(!this->FileName)
74 {
75 vtkErrorMacro("A FileName must be specified.");
76 return 0;
77 }
78
79 // Open the input file.
80 ifstream fin(this->FileName);
81 if(!fin)
82 {
83 vtkErrorMacro("Error opening file " << this->FileName);
84 return 0;
85 }
86
87 // Allocate objects to hold points and vertex cells.
88 vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
89 vtkSmartPointer<vtkCellArray> verts = vtkSmartPointer<vtkCellArray>::New();
90
91 // Read points from the file.
92 vtkDebugMacro("Reading points from file " << this->FileName);
93 double x[3];
94 while(fin >> x[0] >> x[1] >> x[2])
95 {
96 vtkIdType id = points->InsertNextPoint(x);
97 verts->InsertNextCell(1, &id);
98 }
99 vtkDebugMacro("Read " << points->GetNumberOfPoints() << " points.");
100
101 // Store the points and cells in the output data object.
102 vtkPolyData* output = vtkPolyData::GetData(outputVector);
103 output->SetPoints(points);
104 output->SetVerts(verts);
105
106 return 1;
107 }
108