depth-contours
There are 2 repositories under depth-contours topic.
tfilppula/Bathytools
Tools for navigationally safe bathymetric surface processing - Rolling Coin algorithm, iterative Laplacian smoothing, shoal buffering and surface offsetting. Efficient implementations written in C. Simple command-line interface to support scripting use.
derhuerst/fetch-berlin-depth-contours
Fetch depth contour lines of Berlin bodies of water.