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 …

Raster files are images built from pixels — tiny color squares that, in great quantity, can form highly detailed images such as photographs. The more pixels an image has, the higher quality …

Sep 13, 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 …

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.

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 …

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.

Dec 9, 2024 · Raster images, also called bitmap images, are built from a grid of pixels, each representing a small piece of the whole picture. Common raster file formats include JPEG, …

An image is called a bitmap or raster image if its objects or contents are represented by pixels. Because a raster format uses a fixed method of specifying an image, the image cannot always …

raster [data architecture, geography] A fundamental data structure consisting of a matrix of equally sized cells, or pixels, arranged in rows and columns, and composed of single or …