- [ ] Spherical triangulation and interpolation (see #182) - [ ] Sampling (planar/spherical) (see #184) - [ ] Meshifying interface for polygons/multipolygons - [ ] Concave hull - see [JTS implementation](https://github.com/locationtech/jts/blob/master/modules/core/src/main/java/org/locationtech/jts/algorithm/hull/ConcaveHull.java) - [ ] Alpha shapes (generalization of convex hull