Often we tend to get confused when it comes to scaling the artwork during banner design. I am sure many of you might have faced issues due to improper picture resolution. There are times when you design a banner on your computer, it looks just fine, but as soon as you submit them for printing, the picture gets blurry or in other terms it pixelates.
Graphics could be either raster or vector. The raster graphics image is a dot matrix structure generally representing a rectangular grid of pixels. They are resolution dependent so they cannot scale after a certain resolution without affecting the picture quality. e.g. MS Paint. For CMYK 4 color process printing 150-300 pixels per inch works decently good. While on the other hand, vector graphics use geometric principles like a line, curve and shapes all of which are based on mathematical expressions to represent images in computer graphics. Line art is scalable to any size and never loses resolution; hence image will stay clean and crisp. They can be submitted at any size proportionate to the banner size ordered.They use controlled points and nodes each of which can be expressed in x and y mathematical co-ordinates. e.g. Illustrator. Yes, all more so for the 2D images.
For sure there are certain norms to be kept in mind whiledesigning the graphics to maintain certain high levels of resolutions. Mainly these three metrics matter:
Thumbnail sized jpg and gif.files are not at a high enough resolution to be used on large prints like banners.
The following tips may come in handy:
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