faq.md

FAQ

1. Gflags

Q: I have added/changed a gflag but it has no effect?

A: Mind that according to gflags specs:

If a flag is specified more than once, only the last specification is used; the others are ignored.

2. Euroc dataset

Q: Frame mismatch in Euroc? Seeing this error msg:

  W0911 10:22:30.347504 27725 ETH_parser.cpp:520] Different number of images in left and right camera!
  Left: 2033
  Right: 2032

A: Euroc has datasets with mismatching number of frames, use instead our dataset files here.

3. Linter

Q: Getting this error:

  Traceback (most recent call last):
    File ".git/hooks/pre-commit", line 55, in <module>
      main()
    File ".git/hooks/pre-commit", line 49, in main
      import linter
  ImportError: No module named linter

A: Make sure you ran bash cd linter echo ". $(realpath setup_linter.sh)" >> ~/.bashrc bash

Q: Getting this error:

  Traceback (most recent call last):
    File ".git/hooks/pre-commit", line 55, in <module>
      main()
    File ".git/hooks/pre-commit", line 51, in main
      linter.linter_check(repo_root, linter_folder)
    File "/home/tonirv/Code/Kimera-VIO/dev_tools/linter/linter.py", line 483, in linter_check
      ascii_art, repo_root)
    File "/home/tonirv/Code/Kimera-VIO/dev_tools/linter/linter.py", line 124, in check_cpp_lint
      cpplint = imp.load_source('cpplint', cpplint_file)
  IOError: [Errno 2] No such file or directory

A: Make sure you initialized the linter:

  init_linter_git_hooks 
  # Success, githooks initialized!