What is the type of geometric model where the basic shape is made up of points, or vertices, connected by edges?

What is the type of geometric model where the basic shape is made up of points, or vertices, connected by edges?

• A. NURBS
• B. Polyhedron
• C. Mesh
• D. Voxel

Answer: (C)

A polygonal mesh is a geometric model built from points (vertices) connected by edges to form faces. This vertex-edge-face connectivity creates the surface of the model, and you edit it by moving vertices or adjusting edges to reshape the object. In 3DS Max and similar 3D packages, most editable surfaces are polygonal meshes, allowing precise control over topology and shading. This differs from NURBS, which define smooth surfaces via mathematical spline patches controlled by points rather than an explicit network of edges. Voxels represent volume elements in a grid, not a surface made of connected edges. A polyhedron is a general term for a solid with flat faces, but the description here specifically emphasizes the surface created by vertices and edges, i.e., a mesh.

A polygonal mesh is a geometric model built from points (vertices) connected by edges to form faces. This vertex-edge-face connectivity creates the surface of the model, and you edit it by moving vertices or adjusting edges to reshape the object. In 3DS Max and similar 3D packages, most editable surfaces are polygonal meshes, allowing precise control over topology and shading.

This differs from NURBS, which define smooth surfaces via mathematical spline patches controlled by points rather than an explicit network of edges. Voxels represent volume elements in a grid, not a surface made of connected edges. A polyhedron is a general term for a solid with flat faces, but the description here specifically emphasizes the surface created by vertices and edges, i.e., a mesh.