In computer graphics and digital photography, a raster graphic, raster image, or simply raster is a digital image made up of a rectangular grid of tiny colored (usually square) so-called pixels.

In its simplest form, a raster consists of a matrix of cells (or pixels) organized into rows and columns (or a grid) where each cell contains a value representing information, such as temperature.

The meaning of RASTER is a scan pattern (as of the electron beam in a cathode-ray tube) in which an area is scanned from side to side in lines from top to bottom; also : a pattern of closely spaced rows …

Jul 23, 2025 · Raster graphics are images made up of tiny dots called pixels. Each pixel has a specific color, and when you put all these pixels together, they form a complete picture.

Nov 6, 2025 · A raster graphic is made up of a collection of tiny, uniformly sized pixels, which are arranged in a two-dimensional grid made up of columns and rows. Each pixel contains one or more …

Raster image files use pixels to display high-quality photos and graphics. Learn more about how they work, what they’re used for, and their pros and cons.

Sep 7, 2025 · A raster image is an image file format that's defined by a pixel with one or more numbers associated with it. The number defines the location, size, or color of the pixels.

A fundamental data structure consisting of a matrix of equally sized cells, or pixels, arranged in rows and columns, and composed of single or multiple bands. Each cell represents a location on the …

Dec 3, 2025 · Discover the magic of raster graphics in this guide for newbie creators! Unpack the definition, image types, and tools to boost your creative projects.

Etymology The term "rasterisation" comes from German Raster 'grid, pattern, schema' and Latin rāstrum 'scraper, rake'. [3][4]