Graphics Types and Conversions (PDF)
Document Details
Uploaded by Deleted User
Tags
Summary
This document describes different types of graphics, including bitmapped (raster), vector, black and white, and color graphics. It also explains the differences between these types, such as scalability and storage requirements. Different image conversions, from raster to vector and vice versa, are also discussed.
Full Transcript
Bitmapped (Raster) graphics Stored as a grid of pixels each mapped to a specific bit or byte in RAM Common file formats.BMP,.TIF,.GIF,.JPG Characteristics ▪ Requires larger storage for high resolutions...
Bitmapped (Raster) graphics Stored as a grid of pixels each mapped to a specific bit or byte in RAM Common file formats.BMP,.TIF,.GIF,.JPG Characteristics ▪ Requires larger storage for high resolutions ▪ Enlarging images causes pixelation or blurriness ▪ Metadata, such as resolution and color depth, is included in the file header. ▪ Examples: Photography, detailed images. Vector Graphics: Created using mathematical equations and stored as vector statements. Common file formats:.SVG,.EPS,.PDF,.AI,.DXF Characteristics ▪ Infinitely scalable without quality loss ▪ Smaller file sizes compared to bitmaps, except for very complex designs. ▪ Includes geometric shapes like points, lines, curves, and polygons. ▪ Examples: CAD designs, logos, 2D/3D animations, illustrations. Black and white Graphics: Each pixel controlled by 1 bit (0 or 1) Simple and low-storage requirement Color Graphics: Each pixel can represent various colors depending on the allocated bits (e.g., 8-bit for 256 colors, 24-bit for millions of colors). High color depth leads to better image quality but requires more storage. Examples of Image conversions: Raster to Vector: Tracing bitmapped images to create scalable vector versions. Vector to Raster: Conversion for display or printing on Raster devices
