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Chapter X - Appendix
10.1 Glossary
Color Fill – Term within the awards and engraving industry used to describe the variety of techniques
used to add color or contrast to engraving.
DPI – Dots Per Inch or Pixels Per Inch. The resolution of an image as defined by the amount of
dots/pixels included in an inch. The DPI setting of 500, will include tell the machine to include 500
laser firings within an inch.
Driver – A software program that allows the computer to communicate with its components and
peripherals: printers, scanners, monitors, etc.
Error Diffusion (Dithering Method) - This effect uses a series of random black and white pixels to
represent shading.
Firmware – Programming permanently set into a computer's ROM chips. This information is burned
into the computer chips and can only be changed by replacing the chips, or in the case of EEROM, by
special procedure.
Raster – The process of rendering a cutting or engraving by multiple horizontal lines. For example:
when cutting out or engraving a square, the raster setting will make the laser use numerous
horizontal lines to fill in the outlined space.
Raster Image – An image that is defined as a collection of arranged pixels in a rectangular array of
lines. A raster image is similar to a "Bitmap" graphics image.
Raster Line – A raster line is the individual horizontal line that makes up the raster image.
Vector – The process of cutting or engraving an image by using single horizontal, vertical and curved
lines. For example: when cutting out or engraving the outline of a square, the vector setting will make
the laser use a thin single line to follow the outline of the shape.
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