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Raster Image Files

When dealing with graphic images, there are two types: either bitmap, or more correctly raster, and vector. Vector images refer to images that are made up of lines that are described mathematically. Raster images, on the other hand, are made up of a grid of dots, or pixels, each containing color information.

CAD software uses vector based image formats, such as DXF, GDSII or CIF. LinkCAD can import raster image files, such as your company logo or a photograph, and convert it to vector format. Each pixel is translated into a square polygon, and adjacent polygons are merged.

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