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.

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

Display minimum altitude on the map #84

Closed
albar965 opened this issue Dec 12, 2016 · 0 comments
Closed

Display minimum altitude on the map #84

albar965 opened this issue Dec 12, 2016 · 0 comments

Comments

@albar965
Copy link
Owner

albar965 commented Dec 12, 2016

Offline data is available. Need functions to get max for a given area. Store these in an index and display MSA on the map. Display MEF or LSALT.

Will need offline elevation data: https://www.ngdc.noaa.gov/mgg/topo/globeget.html
https://www.ngdc.noaa.gov/mgg/topo/report/globedocumentationmanual.pdf (11.D. Digital Elevation Data File Format)

https://en.wikipedia.org/wiki/Maximum_elevation_figure


Alternative: Use MORA from Navigraph data.

Example:
43 -30 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 010 033 041 060 099 105 107 077 071 090 113
corresponds to the marked part of Spain:
grafik

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Projects
None yet
Development

No branches or pull requests

1 participant