{"action":"closed","issue":{"url":"https://api.github.com/repos/Amber-MD/pytraj/issues/521","labels_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/521/labels{/name}","comments_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/521/comments","events_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/521/events","html_url":"https://github.com/Amber-MD/pytraj/issues/521","id":93946673,"number":521,"title":"speed: pytraj vs mdtraj with rmsd","user":{"login":"hainm","id":4451957,"avatar_url":"https://avatars.githubusercontent.com/u/4451957?v=3","gravatar_id":"","url":"https://api.github.com/users/hainm","html_url":"https://github.com/hainm","followers_url":"https://api.github.com/users/hainm/followers","following_url":"https://api.github.com/users/hainm/following{/other_user}","gists_url":"https://api.github.com/users/hainm/gists{/gist_id}","starred_url":"https://api.github.com/users/hainm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hainm/subscriptions","organizations_url":"https://api.github.com/users/hainm/orgs","repos_url":"https://api.github.com/users/hainm/repos","events_url":"https://api.github.com/users/hainm/events{/privacy}","received_events_url":"https://api.github.com/users/hainm/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":15,"created_at":"2015-07-09T03:49:49Z","updated_at":"2015-09-09T20:51:10Z","closed_at":"2015-09-09T20:51:10Z","body":"**Note** I have a ipython notebook before but I've just moved some codes from cython to python\r\nto make faster code writing and testing. So just want to compare rmd calculation again.\r\n\r\n```python\r\nIn [68]: traj # pytraj\r\nOut[68]:\r\n<pytraj.Trajectory with 1000 frames: <Topology with 17443 atoms, 5666 residues, \r\n1 mols, 17452 bonds, PBC with box type = truncoct>>\r\n\r\n\r\nIn [69]: t # mdtraj\r\nOut[69]: <mdtraj.Trajectory with 1000 frames, 17443 atoms, 5666 residues, \r\nand unitcells at 0x2aaacc4155c0>\r\n```"}}