Search results
Results From The WOW.Com Content Network
In 3D computer graphics software, vertex painting refers to interactive editing tools for modifying vertex attributes directly on a 3D polygon mesh, using painting tools similar to any digital painting application but working in a 3D viewport on a perspective view of a rotated model.
For example, in a mesh representing a cylinder, all of the polygons are smoothly connected except along the edges of the end caps. One could make a smoothing group containing all of the polygons in one end cap, another containing the polygons in the other end cap, and a last group containing the polygons in the tube shape between the end caps.
Chamfer - Create a beveled surface which smoothly connects two surfaces; Deformations - Move only the vertices of a mesh Deform - Systematically move vertices (according to certain functions or rules) Weighted Deform - Move vertices based on localized weights per vertex; Morph - Move vertices smoothly between a source and target mesh
(Note that from the perspective of a vertex P, the number of edges neighboring P is also the number of adjacent faces, hence n) Move each original point to the new vertex point + + (This is the barycenter of P, R and F with respective weights (n − 3), 2 and 1) New vertex points (green cones)
Face-vertex meshes represent an object as a set of faces and a set of vertices. This is the most widely used mesh representation, being the input typically accepted by modern graphics hardware. Face-vertex meshes improve on VV mesh for modeling in that they allow explicit lookup of the vertices of a face, and the faces surrounding a vertex.
This includes being able to drag the vertices anywhere along the NURBS surface as well as join the vertices together, break the vertices apart and color them. NSPE has a significant advantage over simply converting a NURBS surface to a polygon mesh for editing because NSPE lets the user be able continue to modify the NURBS surface for the hand ...
Textures can be colored arrays of pixels, describe surface displacements or transparency or surface reflectivity. Reyes allows users to incorporate procedural shaders whereby surface structure and optical interaction is achieved using computer programs implementing procedural algorithms rather than simple look-up tables.
Most attributes of a vertex represent vectors in the space to be rendered. These vectors are typically 1 (x), 2 (x, y), or 3 (x, y, z) dimensional and can include a fourth homogeneous coordinate (w). These values are given meaning by a material description. In real-time rendering these properties are used by a vertex shader or vertex pipeline.