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.

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 bits of information, …

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 …

2025年7月23日 · 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.

Get to know the two main image file types — raster and vector. Learn about the main features and differences between raster and vector to make sure you use the right one.

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.

2025年9月7日 · 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.

2025年9月8日 · Raster images are compiled using pixels, or tiny dots, containing unique color and tonal information that come together to create the image. Since raster images are pixel based, they are …

2025年2月27日 · Raster images are composed of a grid of tiny squares called pixels. Think of a mosaic – up close, you can see the individual tiles, and together they form a complete image.

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 be immediately …