![]() This is why vector graphics are preferred for logos and large scale printing. The graphics uses the original math equation to create consistent shapes irrespective of whether they are being scaled up or down. Unlike Raster graphics which are comprised of individual pixels, vector graphics uses math to draw shapes in form of dots, curves and lines and they are infinitely scalable. They are large in nature and might sometimes compromise the processing powers of the computers, even for faster machines. The second con for Raster graphics lies on their size. The image will thus appear blurry because the computer has no way of telling the right color which should be filled in the gaps. ![]() This is because the images are made of a finite number of pixels and when they are enlarged, the computer tries to guess the right color that should be in the additional gaps. The first con of these graphics is that they are blurry or get pixilated when enlarged. On the other hand, there are certain characteristic of Raster images that are not admirable at all. The editing possibilities are simply endless. It will interest you to know that all the individual pixels with the color information in Raster images can be edited one by one, therefore, if you are a perfectionist designer, then Raster images gives you the highest levels of customization possible. When working with Raster graphics, designers have more precise editing control over the details and the color information. The second advantage of using Raster is the precise editing that they allow the editors to have. This interpolation of data is what will make the images appear blurry or pixilated, since the computer cannot guess correctly the exactly colors which ought to be in those spaces. Therefore, should you attempt to enlarge the graphic the computer will try to fill in the gaps of the missing pixels with the colors which it thinks matches the spaces. With this, Raster images have a finite number of pixels. One of the greatest advantages of Raster graphics is that they offer greater color detail because they are pixel based. ![]() ![]() In the creation of Raster graphics, there are lots of tools which can be used, with Adobe Photoshop being the preferred one by the majority. The most popular file formats for Raster graphics include jpg, png, tiff, gif, psd and bmp. These measurements allow the designers to measure the amount of color information contained in a specific image. When creating images or graphics for print, Raster graphics are usually measured in dots per inch (dpi), but when the images are meant for use in the web then they are measured in pixel per inch (ppi). They comprise of tiny continuous of colored boxes known as dots or pixels. Raster is the commonly used type of graphics. So how exactly do you tell between the two? Raster Graphics The differences in appearance are due to the fact that one was saved as a vector image and the other saved as a Raster image. If you have been observant enough, you may have noticed that there are certain logos which appear clear and crisp while there are others that appear blurry and pixilated. To begin with, it is important to understand that graphic files can take different sizes, shapes and formats. However, the difference between the two is relatively simple and easy for anyone to understand. For many people, the difference between Vector and Raster is as obscure as the sunset on a stormy evening.
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