gts: gts (GNU Triangulated Surface Library) gts: gts: GTS is open source software that provides a set of functions to deal gts: with 3D surfaces meshed with interconnected triangles. It consists of gts: the library libgts and some auxiliary programs. Triangulated surface gts: manipulation appears in several applications, such as graph gts: visualization and fluid flow simulation. gts: gts: gts: gts: