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).
#Raster graphic file format 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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