Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Stream flowline preparation #5

Open
changliao1025 opened this issue Apr 22, 2021 · 2 comments
Open

Stream flowline preparation #5

changliao1025 opened this issue Apr 22, 2021 · 2 comments

Comments

@changliao1025
Copy link
Owner 

#step 1: convert it to json format
#step 2: merge all as one single feature   
#step 3: split into segment   
#step 4: remove loops
#step 5: remove small headwater segment
#step 6: intersect with mesh and simplify
#step 7: rebuild index and order
#step 8: calculate properties
@changliao1025
Copy link
Owner Author

Gdal union is not smart enough to consider topology, and the split part cannot separate segments reasonably well.

@changliao1025
Copy link
Owner Author

Either I rewrite the union and split parts, which I already attempted, or find alternative apis.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@changliao1025