Octomap .log file

edit

I am trying to change log file to bt/ot file. link text.After reading this page, I write a .log file to test .But there are problems when I use graph2tree to change graph file into bt file .

NODE 0.217 -0.074 0.713 -0.0279 -0.0293 0

4.724 20.891 15.646

4.323 20.928 15.505

4.819 20.474 15.384

5.016 20.194 15.264

6.068 19.496 15.199

6.975 18.906 15.15

7.326 18.606 15.08

8.156 18.103 15.064

8.87 17.68 15.055

Where is the mistake made by me on earth?