![]() ![]() But this is an older configuration and is generally found in first and second generation RIPs. Such RIPs are usually bundled with specific output devices, most typically an imagesetter. A hardware RIP is a dedicated piece of computer equipment with an application specific chip-set designed to optimize the processing of graphic files. Two primary types of RIPs are available: hardware and software. For example, we could process an image for producing film positives and use the same processed image to produce an inkjet proof. But this is changing to reflect more efficient imaging workflows in which we will RIP a file once, and output it to multiple devices. Until relatively recently, we would have needed a separate RIP for each output device we were running. The RIP sends the information to the device through control software known as a driver, which is specific to each individual output device (we need the appropriate driver for each device the RIP drives). The spot size is equal to the resolution of the output device. The process of rasterizing an image involves converting Postscript or raster information from the original file into individual spots or dots that will be output by the imaging device. Unfortunately, many screen printers do not take advantage of the capabilities that are available to them through their RIPs. ![]() Whether we are sending an image to a laser printer or a sophisticated computer-to-screen (CTS) imaging system, the RIP delivers an array of functions. The ultimate result is a printed or imaged page, panel, sheet of film, or screen. The RIP is at the heart of the digital imaging process and does all the work. But the extent of their understanding usually goes about as far as the ability to select an output device and send a file to it. Those involved in digital prepress are familiar with the name and the concept of a RIP. The conversion of digital graphic information into a form that can be written (printed) by an output device is the function of the raster image processor (RIP). Here, Coudray explores the functions and features of RIPs that screen printers need to know. The raster image processor (RIP) is the brain behind the digital imaging process, regardless of the type of image or output device used. ![]()
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