Vector files are much more lightweight than raster files, containing only the mathematical formulas that determine the design. Their large size can impact device storage space and slow down page loading speeds on the web. However, you can compress raster files for storage and web optimisation to make sharing faster and easier. Raster files are generally larger than vector files. They can contain millions of pixels and incredibly high levels of detail. For example, a brochure may use vector graphics for the company logo but raster files for photography. Some projects combine both raster and vector images. Vector files work better for digital illustrations, complex graphics, and logos. That’s because the resolution of vectors remains the same when resized, making them suitable for a wide variety of printed formats. Many digital cameras automatically shoot and save photos as raster files - and the images you see online are often rasters, too. Raster files are also commonly used for editing images, photos, and graphics. With vector image files, resolution is not an issue. You can resize, rescale, and reshape vectors infinitely without losing any image quality. Vector files are popular for images that need to appear in a wide variety of sizes, like a logo that needs to fit on both a business card and a billboard.ĭigital photographs are usually raster files. Raster files display a wider array of colours, permit greater colour editing, and show finer light and shading than vectors - but they lose image quality when resized. An easy way to tell if an image is raster or vector is to increase its size. If the image becomes blurred or pixelated, it’s most likely a raster file. The resolution of a raster file is referred to in DPI (dots per inch) or PPI (pixels per inch). If you zoom in or expand the size of a raster image, you start to see the individual pixels.
One of the main differences between raster and vector files is their resolution. They represent images in very different ways, so there’s a lot to consider when deciding which one to use. Some of the main differences between raster and vector include: Raster and vector files are the two most popular formats used for visual content. What is the difference between raster and vector files? Vector files use mathematical equations, lines and curves with fixed points on a grid to produce an image. There are no pixels in a vector file. A vector file’s mathematical formulas capture shape, border, and fill colour to build an image. Because the mathematical formula recalibrates to any size, you can scale a vector image up or down without affecting its quality. Raster files are images built from pixels - tiny colour squares that, in great quantity, can form highly detailed images such as photographs. The more pixels an image has, the higher quality it will be, and vice versa. The number of pixels in an image depends on the file type (for example, JPEG, GIF, or PNG).
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