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 53 cv::viz::vtkXYZReader::vtkXYZReader() 54 { 55 this->FileName = 0; 56 this->SetNumberOfInputPorts(0); 57 } 58 59 cv::viz::vtkXYZReader::~vtkXYZReader() 60 { 61 this->SetFileName(0); 62 } 63 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 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
