Misc SMMT2

kmisc.h

//you shall need opencv and/or armadillo libs
//you may need to load 'kStringManip.h'

Mat loadMatrixFromXML(string filename)
{
        Mat m;
        FileStorage fs(filename, FileStorage::READ);
        fs[subsBefChar(filename,".")] >> m;
            fs.release();
        return m;
}

void removeSeps(string filename,string outname,char newSeparator=' ',vector<string> separators)
{
    //in some input file, you have some separators that you want to swap with an unique separator
    ifstream infile(filename);
    ofstream outfile(outname);
    string line;
    while (std::getline(infile,line))
    {

        for (unsigned int i=0;i<separators.size();i++)
        {
        replace( line.begin(), line.end(),separators[i][0],newSeparator);
        }
        //cout<<line<<endl;
        outfile<<line<<endl;

    }
    infile.close();outfile.close();
}

vector<int> imgOrder(vector<string> imagelist,string before,string after)
{
//you have a vector of string with imagenames
//and in that names, inside, you have numbers between two constant names
    int beg,endd;
    vector<int> pos;

    for (unsigned int i = 0 ; i<imagelist.size() ; i++)
    {
        beg = imagelist[i].find(before);beg += before.size();
        endd =  imagelist[i].find(after);
        pos.push_back( stoi(imagelist[i].substr(beg,endd-beg)) );
    }

    return pos;
}

vector<string> imagelistVector(string path)
{
    //function to create a vector containing the paths to a list of images in the given folder
    vector<string> fn;
    cv::glob(path,fn,false);
    return fn;
}