Vectorizing

To process a scanned document in your CAD system, the raster document must be converted to geometric descriptions in a format readable by the CAD program. This process is called vectorizing. Due to limitations in today’s vectorizing algorithms and machine resources, the output quality can be expected to be lower than the original scanned image. Because of this, the quality of the original scanned image has to be high in order to obtain acceptable vector quality.

The accuracy can be adjusted. A high value results in more accurate geometric descriptions and larger vector files, while a low value generates smaller but less accurate descriptions. You can choose between DXF or HPGL as output format from the vectorizer.

In some cases horizontal coding is desired, instead of the line following method used by PixEdit’s vectorizer. Horizontal coded DXF files tend to be very large, but are useful for loading in a scanned image into Autocad without distortion of the data. Use the FILE SAVEAS menu and select the Horizontal DXF format, if this type of coding is required by your application.

Vectorisation of raster images, TIFF files or PDF files in PixEdit

Above: PixEdit shows the generated vectors on top of the raster graphics.

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