For more information on vectors and rasters images, see our blog post, The difference between vector and raster images. However, you cannot use raster programs for logo contests. Note: you can use vector programs for any contest on 99designs. You can use raster programs when designing a website, app, icon, banner ad, or any other design intended for electronic use. Raster programs include Adobe Photoshop and GIMP. When you change the size of a raster image, you shrink or stretch the pixels themselves, which can result in a significant loss of clarity and produce very blurry images. Unlike a vector image, raster images are resolution dependent. Raster images are made up of a set grid of dots called pixels, where each pixel is assigned a color value. You must use a vector program when designing a logo, and we suggest that you use vector programs for any other print design contest as well. Raster files saved as vector file formats will still be raster files. Some projects combine both raster and vector images. That’s because the resolution of vectors remains the same when resized, making them suitable for a wide variety of printed formats. Vector files work better for digital illustrations, complex graphics, and logos. For high-accuracy, scalable drawings, vectors are the obvious. Although a vector image can be saved as a raster image, it is not possible to convert a raster image into a vector image. Raster files are also commonly used for editing images, photos, and graphics. Vector programs include Adobe Illustrator, CorelDRAW, and Inkscape. When choosing between vectors and rasters, you need to decide what you are looking to create. This is a highly simplified summary, so let’s explore raster and vector graphic files in more detail. They can contain millions of pixels and incredibly high levels of detail. Raster graphics are composed of a combination of pixels, but vector graphics are composed of paths and are based on mathematics so that they can easily scale larger or smaller. Raster files are generally larger than vector files. Raster images have large file size defined by DPI or PPI with fixed height and width. This makes them suitable for transmission, also they carry a lot of data in small file sizes. Vector images are made up of points, lines, and curves that can be infinitely scaled without any loss in image quality. There are two types of digital graphic filesraster and vector. Raster File Size: Vectors images are smaller in file size as their dimensions are controlled by mathematical formulas.
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