Since the vector image elements are set as designated paths, they can easily be rescaled to any size without the design experiencing any distortion. The set points of the lines and curves, along each designated path, is what creates the design. Vector artwork is designed using a more formulaic method and it works with lines and curves designed as designated paths within an image. In other words, the image edges will stay smooth and true to the design whether they are to be sized down or up. The most common use of a raster graphic is a photograph.Īs opposed to raster images, vector artwork is designed to be infinitely scalable. Plus, designing raster-based artwork in CMYK process color achieves the best color matching results during the printing process. It is always easiest to bring a raster-based image down in size (dots per inch) than it is to try and make them a larger size or higher resolution as this can cause pixelization or “stair-stepping” in your designs. If you know your raster artwork will need to be used for print, you will want to design the images in a print quality resolution (300 dpi). Of course you can purchase high resolution raster images from from companies such as Adobe Stock or iStock images that will work fine for many print projects. Raster images from the web are generally not suitable for print reproduction as they are often saved as low-resolution images. It is important to remember that raster images are usually acceptable for digital publication, but they may not work well for printed projects. Please note that a higher resolution raster image keeps its crisp appearance if the artwork needs to be resized to print items such as posters or larger graphics.Īlmost all images you find on websites are raster images (even images that might have originally been created with paths). When it is time to print custom products from raster art files, the resolution, or dots per inch, is needed for it to be properly formatted for print quality (300 dpi) at the desired size of the finished product. The resolution of this type of image is measured according to the number of pixels per square inch of your photo or design AKA dots per inch (dpi). When it comes to raster graphics, the number of pixels or dots per inch makes the difference when it comes to image resolution (as well as how much it can be resized before it becomes distorted in appearance).
#Vector vs raster logo how to
raster images in order to determine how to tell which format is the best choice for your next print project
While vector images are made of hundreds of thousands of tiny lines and curves (or paths) to create an image, raster images are composed of pixels. In general, there are two types of digital graphics files, and they are vector and raster. When it comes to graphics and images, the type of computer graphic format that is used is a vital aspect of the final representation of the image. Compatibility is always a concern when working with different file types. There are so many image options and file formats currently available that it is sometimes a bit overwhelming to choose the correct file type to use.
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