Conversely, PSD files can also contain vector-based layers. Best way to convert vector pdf images pdf#However, there is a catch: Some file types can contain both vector and pixel graphics: AI, EPS and PDF files are usually vector-based, but they can also contain pixel graphics. Pixel graphics are usually contained in the following files: Vector graphics are usually contained in the following files: In most cases the file type or the file extension provides the decisive hint. How can I tell whether I have a vector or a pixel graphic? They are rendered at the maximum available resolution on any device. Or to put it another way: vector files themselves have no resolution at all. The result: One and the same vector file is printed on the professional device with four times more pixels (twice the resolution to the square) than on the office printer. In addition to single-colour outlines or areas, you can also use colour gradients or patterns. In order for the output device to know which colour the outline is to be displayed, vector graphics include information on the outline thickness, outline colour and area colour. Screens and most printers have no use for vectors or outlines – they must first fill them with pixels (“render”) – and this is where the greatest advantage of vector graphics comes into play: The higher the resolution of the screen or printer, the more and smaller pixels are packed into the outline – and the more exact or sharper the shape is recreated.Īn average office laser printer can fill an arc, for example, with 600 dpi (dots per inch) (symbolic representation below, left), but a professional digital printing machine can fill it with 1200 dpi (right). How is a vector graphic displayed on screen or printed?
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