Polygonal Modeling
Q.1: What is a polygonal model?
Answer:
Basically, for the video game and animation studios, the most popular kind of modelling is polygonal (or polyhedral) modelling for better result. With this kind of modelling, three-dimensional things are constructed from smaller parts known as “tris” (triangles) or “polys” (polygons) as well.
Q.2: Mention the polygon modeling technique.
Answer:
The Principles of the Polygon 3D Modelling Method is PGBS. The practice of modelling 3D objects using polygon meshes to approximate or depict their surfaces as per requirement is basically known as polygonal modelling. When the X, Y, and Z-axis coordinates were input to establish the location of the 3D model points in real-time, one of the earliest forms in that time of three-dimensional modelling emerged.
Q.3: What is a polygon in computer graphics?
Answer:
In the computer graphics, polygons are basically used to create visuals that appear three-dimensional. Polygons are typically (but not always) triangular in shape and form when the surface of an object is modelled, its vertices are chosen, and the thing is represented in a wire frame model for better result or output.
Q.4: What is the full form of polygon?
Answer:
Basically, polygon is a compound word and made up of the terms poly, which means many, and gon, which means sides as well. To create a closed figure, at least three line segments must need to join end to end.
Q.5: What is the polygon formula?
Answer:
The following are the main or key polygon formulas: The sum of a polygon’s internal angles with “n” sides equals 180°(n-2). A “n-sided” polygon has [n(n-3)]/2 diagonals.
Polygonal Modeling in Computer Graphics
Polygonal modeling is a very beneficial technique that is used in 3D computer graphics to model objects by utilizing polygon meshes to approximate or represent their surfaces. For real-time computer graphics, polygonal modeling is the preferred technique for its features, since it works well with scanline rendering. NURBS surfaces, subdivision surfaces, and equation-based (implicit surface) representations, which are very useful and seen in ray tracers, are some more approaches to modeling 3D objects. As they would have no use for the models, their required investments would yield meager returns to process overall tasks.