Plotter

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Plotter is a computer peripheral device that is used for printing vector graphics. Unlike traditional printers that render text and graphics by a series of dots, plotters draw lines using a pen. In the past, plotters were widely used in applications such as computer-aided design (CAD), creating high-quality line drawings like blueprints, engineering plans, and architectural designs. Today, while the use of traditional pen plotters has declined, plotters have evolved and are still used in various forms, including large-format inkjet printers for producing posters, architectural drawings, and other large graphics.

History

The development of plotters began in the early 1950s, with the first commercial devices introduced in the 1960s. Early plotters were mechanically simple but were able to produce precise and detailed drawings that were difficult to achieve with the printers of the time. The initial plotters were drum plotters, where paper was fixed on a drum that rotated back and forth as the pen moved horizontally, creating a drawing. Flatbed plotters, which allowed the pen to move in both X and Y directions over the paper, were introduced later, offering more versatility in size and complexity of the drawings.

Types of Plotters

There are several types of plotters, each with its unique mechanism and application:

• Drum Plotters: The paper moves on a drum, and the pens move in one axis, drawing as the paper moves.
• Flatbed Plotters: The paper lies flat on a table, and the pens move over it in both X and Y axes.
• Inkjet Plotters: A modern evolution of plotters, these use inkjet technology to spray ink on the paper, allowing for both line drawings and full-color graphics.
• Cutting Plotters: These are used for cutting out shapes from various materials, such as vinyl, rather than drawing. They are commonly used for sign making, window tinting, and creating decals.

Applications

Plotters have been used in a variety of fields for different purposes:

• Engineering and Architecture: For creating detailed architectural drawings and engineering plans.
• Graphic Design: For producing large graphics, posters, and signs.
• Fashion and Textiles: For designing patterns and cutting fabrics.
• Mapping and Surveying: For producing large-scale maps and topographical plans.

Advantages and Disadvantages

Plotters offer several advantages over traditional printers, including the ability to produce large, detailed drawings with precise line quality. They are also capable of handling a variety of materials, from standard paper to thicker materials like cardboard and vinyl. However, plotters can be slower than printers when it comes to producing complex images and are generally more expensive, both in terms of initial investment and maintenance.

Current Trends

With the advancement of printing technology, the distinction between plotters and printers has blurred. Modern large-format printers are capable of producing both high-quality line drawings and full-color graphics, making them suitable for a wide range of applications beyond traditional CAD drawings. However, specialized plotters, such as cutting plotters, continue to be used in industries like sign making and textile design.

See Also

• Computer-aided design
• Printer (computing)
• Vector graphics

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