Difference between revisions of "OpenCV/WishList/IO/WriteMatrix"

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m (→‎CMakeLists.txt)
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   what():  /home/doriad/src/OpenCV/modules/core/src/persistence.cpp:2136: error: (-212) test.mat(0): Valid XML should start with '<?xml ...?>' in function icvXMLParse
 
   what():  /home/doriad/src/OpenCV/modules/core/src/persistence.cpp:2136: error: (-212) test.mat(0): Valid XML should start with '<?xml ...?>' in function icvXMLParse
  
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==WriteMatrix.cxx==
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<source lang="cpp">
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#include "cv.h"
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#include "opencv2/highgui/highgui.hpp"
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#include "opencv2/core/core.hpp"
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#include <iostream>
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int main(int argc, char*argv[])
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{
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  // Create a matrix
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  cv::Mat myMatrix(3,3,CV_32FC1);
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  std::cout << "Input:" << std::endl;
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  for(unsigned int i = 0; i < 3; i++)
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    {
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    for(unsigned int j = 0; j < 3; j++)
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      {
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      myMatrix.at<float>(i,j) = 2.1;
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      }
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    }
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  std::cout << myMatrix << std::endl;
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  // Write the matrix to a file
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  cv::FileStorage fsout("test.yml", cv::FileStorage::WRITE);
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  fsout << "myMatrix" << myMatrix;
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  // Read the file back in to test that it was written correctly
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  cv::Mat myMatrix2(3,3,CV_32FC1);
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  cv::FileStorage fsin("test.yml", cv::FileStorage::READ);
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  fsin["myMatrix"] >> myMatrix2;
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  std::cout << myMatrix2 << std::endl;
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  return 0;
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}
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</source>
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==CMakeLists.txt==
 
==CMakeLists.txt==

Revision as of 18:03, 16 February 2011

OpenCV Error: Parsing error (test.mat(0): Valid XML should start with '<?xml ...?>') in icvXMLParse, file /home/doriad/src/OpenCV/modules/core/src/persistence.cpp, line 2136 terminate called after throwing an instance of 'cv::Exception' 

 what():  /home/doriad/src/OpenCV/modules/core/src/persistence.cpp:2136: error: (-212) test.mat(0): Valid XML should start with '<?xml ...?>' in function icvXMLParse

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CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(WriteMatrix)
 
FIND_PACKAGE(OpenCV REQUIRED )
INCLUDE_DIRECTORIES( ${OPENCV_INCLUDE_DIR} )
 
 
ADD_EXECUTABLE(WriteMatrix WriteMatrix.cxx)
TARGET_LINK_LIBRARIES(WriteMatrix ${OpenCV_LIBS})
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