These transformers create, use, and output surfaces. They operate on data that defines a surface through the z coordinate, and then either output this surface in a variety of ways, or apply the surface to other data.
Transformers
ContourGenerator
DEMGenerator
RasterDEMGenerator
SectorGenerator
SurfaceDraper
SurfaceModeller
TINGenerator
VoronoiCellGenerator
VoronoiDiagrammer