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Graphic files can be loosely grouped into two broad categories:
Vector- This type of file is based on a description of the lines, curves, fills, and patterns needed to draw the picture. Although they typically do not have the rich detail of bitmaps, vector images have two advantages over raster images: (1) they are smaller, thus taking up less disk space and memory; and (2) you can scale them without image degradation. An example of a vector file is WMF.
Raster (image or bitmapped)- This type of file is based on a bitmap, usually a grid of dots of specific colors. Although it can accurately reproduce photographs and other artwork, it takes up considerable disk space and memory. An example of a raster file is BMP.
iGrafx recognizes graphic file types by their extensions. If you install the normal collection of filters, the Shape Palettes can read most of the common types. Regardless of what filters you install, however, the Shape Palettes are always able to read BMP and WMF files.
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