how can extract the line from the las (see picture) of these barriers ?
Probably not the most efficient way, but one way to do this:
this is exactly my workflow
Already have an account? Login
Enter your username or e-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.