BCA Semester 5 – Computer Graphics and Animation – Unit 4: Visible Surface Determination and computer graphics algorithm (15Hrs)

Definition The Mid-Point Circle Algorithm is an efficient raster scan algorithm used in computer graphics to draw a circle by calculating pixel positions using integer arithmetic and decision paramete

Part A: DDA Line Drawing Algorithm Definition The Digital Differential Analyzer (DDA) algorithm is a scan conversion line drawing algorithm that generates points of a straight line between two endpo

Part A: Difference between Object Space Method and Image Space Method | Basis | Object Space Method | Image Space Method | |------|--------------------|-------------------| | Working Space | Works in

Definition: Area Filling Area filling is the process of coloring the interior of a closed 2D region or polygon on a raster display. It is used to distinguish objects and make the graphics more visuall

Definition: Symmetric Property of Circle A circle is a set of points equidistant from a center. The symmetric property states: - A circle is symmetric about its center, meaning: - 8-way symmetry: Po

Definition: Visible Surface Detection Visible surface detection (VSD) is a technique used in computer graphics to determine which surfaces or parts of objects are visible to the viewer in a 3D scene a

Bresenham’s Line Drawing Algorithm Definition - Bresenham’s algorithm is an efficient incremental method to rasterize a line between two points. - It uses integer calculations to determine which pi

Decision Parameter in Mid-Point Circle Algorithm - Decision parameter (p) helps determine whether the next pixel in the circle is directly east (E) or southeast (SE). - Formula: \[ p0 = 1 - r

DDA Line Drawing Algorithm Definition - Digital Differential Analyzer (DDA) algorithm generates points of a line incrementally between two endpoints. - Steps: 1. Calculate differences: \(\Delta x

Definition: Visible Surface Detection - Visible Surface Detection (VSD) is the process of determining which surfaces of objects in a 3D scene are visible to the viewer and which are hidden behind othe

1. Object Space and Image Space Methods | Method | Description | Example | |--------|-------------|---------| | Object Space Method | Operates on objects themselves to determine visibility or attribut

1. DDA (Digital Differential Analyzer) Algorithm Definition - DDA algorithm is a line generation algorithm that incrementally plots points between two endpoints. - Works by calculating intermediate

1. Scan Line Algorithm for Hidden Surface Removal Definition - Scan line algorithm is an image-space method used for hidden surface detection. - Works line by line (scan line) across the screen and

1. Visible Surface Detection Definition - Visible surface detection (VSD) is the process of determining which surfaces of objects are visible and which are hidden from the viewer's perspective. - E

Definition The Scan Line Algorithm is a visible surface detection technique that determines visible portions of surfaces by processing the image one horizontal scan line at a time and comparing depth