for(int i = 0; i < NbImagesInMosaicVector.size(); i++)
{
imagesInMosaic = NbImagesInMosaicVector[i];
nbImagesPerRow.push_back( ceil(sqrt(imagesInMosaic)) );
nbImagesInMosaic.push_back(NbImagesInMosaicVector[i]);
for(int i = 0; i < NbImagesInMosaicVector.size(); i++)
{
imagesInMosaic = NbImagesInMosaicVector[i];
nbImagesPerRow.push_back( ceil(sqrt(imagesInMosaic)) );
nbImagesInMosaic.push_back(NbImagesInMosaicVector[i]);