One of the biggest disadvantages of a raster image is the inability to resize the image without getting jaggies or other types of distortion. Today, almost all of the images you see on the Internet and images taken by a digital camera are raster images. The number defines the location, size, or color of the pixels. A raster image is an image file format that's defined by a pixel with one or more numbers associated with it. Vectors are better for less detailed images such as logos, illustrations, diagrams and text.Raster may refer to any of the following:ġ. Rasters are best for detailed images such as photographs or images that contain complex effects. Large vector images generally do not have large file sizes Large high resolution images have large file sizes Vector images are composed of lines, curves and anchor points Raster images are composed of square pixels We’ve tried not to use too much technical jargon, so we hope it wasn’t too confusing and you found this article useful. So to summarize, there are pros and cons for working with raster or vector graphics and it really depends on the type of work or graphics you produce. Or if you create your artwork in Photoshop, you might want to open it in Illustrator to add some text if you are perhaps creating a flyer or poster for example. You can paint with an endless variety of brushes or perhaps add complex textures for a more organic look. For example, you might find it easier to create the linework in Illustrator and then carry on working on it in Photoshop. It is possible to combine both vector and raster images. It’s really more suited to drawing using the Pen Tool for more accurate results. You can also paint or draw in Adobe Illustrator, but not to the same level as it would be if using Photoshop. It’s much easier to edit vector objects, such as changing the colours and altering and resizing shapes. If you like to create clean illustrations, cartoons, logos and lettering work, then working in vector is the better option. Working with raster in Photoshop, you would most likely paint with the brush tool as in the traditional painting method. It’s much easier to create realistic painting effects and textures using raster in Photoshop. If you like to create art in the traditional style of painting, then working in raster would be the best option. The answer to this question is that it depends on the type of artwork you like to produce. But there are others such as CorelDRAW and Inkscape. The most popular vector editing software used by far is Adobe Illustrator. The most common vector file formats are AI, EPS, SVG and PDF. So technically, the file is not 100% pure vector. But this will be because raster effects may have been applied, such as a drop shadow or glow effects. Although in some cases the vector file size will increase if the artwork is enlarged. The file sizes of vectors are usually quite small and remain the same size no matter what size the graphic has been resized to. Think billboard size or graphics on the side of a truck! This is the main advantage of a vector graphic. Vector ImagesĪ vector image doesn’t contain any pixels, it’s created using mathematical equations and is composed of paths, basic shapes and anchor points.Ī vector can be enlarged to any size and will always remain sharp. The software needed to edit raster images are photo or raster editing programmes such as Adobe Photoshop, Corel Paint Shop Pro and GIMP. The most common raster file formats are JPG, PNG, TIF. So, for example 3872 x 2592 pixels will be over 10 million pixels! (10mb) With a raster image, if the pixels are increased then so does the file size. Raster images are generally better for detailed complex images, such as a photo or a digital painting that contains lots of complex effects. Although a raster can be scaled down without any distortion. Therefore, if a raster image is scaled up in size you will start to see the image become pixelated especially around the edges. If you open a photograph on your computer or device and zoom in close, you’ll see the individual pixels. Raster ImagesĪ raster image is an image that is made up of tiny square pixels, displayed in a matrix or grid. Raster vs Vector images, which is best and the advantages and disadvantages of each.
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