Vector and Raster Artwork

 Vector Artwork or Line Art

When line art which may also be called vector art, is created the image is stored as points with connecting lines. Using this method there is no reference to the pixels or the dots of the computer screen but the image is referenced to each point and line. This makes it so the image can be scaled more easily without  loss in image quality. Line art is easily manipulated to make adjustments in color or details. Because vector art is easily manipulated without changing the quality of the image, it is the preferred format for submitting artwork for printing. Submitted artwork in vector or line art format makes Color matching simple as well as preserving the fine details of your artwork. See Submitting Artworks.

 Raster Artwork or Pixel-Based Art

Remember when you took the favorite picture down to the local sign shop and wanted a large printed sign? Because Raster art is based on the pixel or dots that make the image, when you increase the size of the image, you are simply increasing the size of the dots. For example if you have an image that is 300dpi (dots per inch) and doubled its size, you will now have an image that is 150dpi. The reason this happens is because raster art is stored like a tile mosaic and each pixel or dot is like a different tile which makes up the whole picture. When you adjust the raster artwork, the image gets “blocky”, because the dots only increase in size. If you only have raster artwork, the rule is “the higher the resolution the better”. 300dpi or ppi (points per inch) is another way to say it, but 300dpi at the size of your label is generally the lowest resolution acceptable for a great looking print. Another challenge with raster artwork is the colors are difficult and often impossible to manipulate or adjust, thus with raster artwork  Color matching is limited.

Vector Artwork and Raster Artwork Sample

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