For scalable designs with fewer colors, vector graphics are ideal, despite their inability to render totally smooth color transitions. AI) or create a raster (JPG) with the exact dimensions desired and at 300dpi. There comes a moment in every graphic designer’s life when you first encounter the term vector graphic. For clear images like photos that convey subtle gradations of color, shade, and light, raster images are perfect despite their loss of quality at larger scales and occasionally unwieldy file sizes. Instead you should use a vector version of your logo (.EPS or. That 72dpi logo may look great on your computer monitor, but when it prints at 300dpi it will look pixilated. Vector uses graphic formats like EPS, WMF, TrueType, PICT etc. Raster prefers graphic formats like GIF, JPEG,PNG and PCX, etc. Vector images are constructed through lines, curves, and fills. If have a 72dpi jpg of your logo and it’s 2-inches by 3-inches, it will need to be “stretched” to more than 3 times the size to get it up to 300dpi. What are the differences between raster bitmaps and vector graphics In this tutorial, Ill explain the differences and point out their strengths and weakne. Raster images are constructed through pixels. For example, let’s say you want to print your logo at 2″x3″ on a brochure. Resizing a low DPI image pulled from the web to fit the dimensions of your print project won’t work because the same finite number of pixels only get bigger and begin to distort. To correctly print an image, it should be at least 300dpi, a much higher pixel density than the web displays. But this same low DPI image may not be suitable for printing on a brochure or packaging. Difference between Raster and Vector Graphics What is Raster Graphics In the world of digital photography and computer graphics, a raster is a technique that defines a two-dimensional picture as a grid of square pixels or a rectangular matrix that we are able to view through computer display, paper, and many other mediums. Raster images with a low DPI in the 72-100 look nice and crisp on the web. While monitors can display higher resolution the web also needs to optimized for speed so images around 100 dpi hit the sweet spot for looking great on a screen but also loading quickly. A raster image is an accumulation of small blocks called pixels, which can be. That said many images on the web are still in that 72-100 dpi range. Vector graphics are more versatile because they are made up of points and paths. The major difference is that vector image is independent of size - it. Learn more about how to create and edit vector images with our tutorials.The web, historically, displays 72dpi (72 dots or pixels per inch) – a relatively low pixel density however most modern displays are now much higher. Computer graphics are divided into two types: raster (or bitmap) images and vector images. Individual components of the image (or paths) can also be modified, edited, and resized without impacting the image quality.Ĭommonly used for illustrations, line art, logos and icons, vector images are computer-generated and cannot be practically used for photographs or photo-realistic images, which are better suited for bitmaps.Ĭorel Vector is primarily a vector-editing tool, but basic image editing is also possible. Vector graphics are composed of points and lines generated by mathematical formulas. Made up entirely of shapes like rectangles, circles, curves and lines, vectors are drawn and then filled or stroked with color to create a vector image. Raster graphics lose quality as they are scaled up (or down). In the world of digital imaging there are two types of graphical image files that you need to be aware of: raster and vector. Vector images are resolution-independent because image quality isn’t affected by size or resolution settings. This makes them ideal for illustrations, icons, and logos. Because of that, you can edit it, resizing and changing colors without any loss of resolution. Vector images are based on geometrical formulas (mathematical equations) based on paths, instead of pixels, to represent images. This is often referred to as resolution-dependent since the quality or sharpness of the image depends on the resolution. When you zoom in on a bitmap image, you can see the individual pixels, so there’s a loss of quality. Each pixel is assigned a color code and a location, and when mapped together, they form a picture. The most common image files are bitmap or raster images, which are composed of little blocks of color called pixels organized in rows and columns. Each has benefits and restrictions, making one more suitable for printing photographs and the other better for illustrations or logos. Bitmaps are blocks of colors assembled in a grid format vectors are shapes and colors built on mathematical formulas. The main difference between bitmaps and vector objects is how they are constructed.
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