ortho-backward-incremental problem

[pyn1998]

hi, @hitimo
very amazing work!
I have run the real-rafz dataset by roslaunch 1-real-rafz-ortho-from-homography.launch command,and it work susseccfully;now i would like to build mosaic in backward-incremental way,but it doesn't seem to work,would you please tell me how to do?
I have already changed the .lauch file and .ff file,and it doesn't come the result.jpg