Downscale to mesh

[ArcticSnow]

Mesh can be an alternative to approximate DEM and reduce the number of points in area with little topography. There are many tools available to generate mesh:

• mesher
• mmg
• gmsh
• or simpler python based code: https://stackoverflow.com/questions/53696900/render-voronoi-diagram-to-numpy-array

This paper provides a good explanation.