They are easy to store and share due to their smaller file size. They are high in quality, and are resolution independent. 
The drawings are easier to edit and modify, because individual entities can be moved, resized or altered. There are more advantages and uses attached to the vector format, particularly for technical drawings: Indeed, Scan2CAD’s primary focus is the conversion of technical drawings such as: engineering plans, architectural plans, electrical plans and even site plans. Raster-to-vector conversion is extremely vital in the CAD industry, specifically for the conversion of technical drawings. Here is how Scan2CAD and other raster-to-vector conversion software trace images Raster-to-vector conversion software is used in these cases, so that any designs created can be scaled to various sizes, and displayed without the issue of resolution dependency. This can be a problem in graphic design, art and animation industries, that all depend on artwork or designs that can be infinitely scaled and displayed without any loss in quality. When you zoom into a raster image, it loses definition, and the individual pixels become visible. You can see an example of this in the image on the right. This is because rasters are made up of pixels, which makes them resolution dependent. Whilst raster images are incredibly common in fields such as photography and computer graphics, they aren’t suitable for all purposes. This can then be saved in a vector image format, such as SVG, DXF, or DWG. The end product (or output) is a vector graphic. The software then works to detect the outline of the image, before tracing over this outline with vector entities such as: lines (continuous, dotted, hatch), polygons, circles and bezier curves. With automatic tracing, you start by loading your raster graphic-such as a JPEG, PNG, or TIFF file-into conversion software. Alternatively, you can automatically trace your image with conversion software, such as Scan2CAD. 
This process can be done manually, by ‘drawing’ vector lines on top of the original raster image, using a mouse or a graphics pen. Image tracing, or vectorization, is the process of converting a raster image into a vector image.
Why should you automatically trace an image?. In this guide, we’ll show you the advantages of using automatic tracing, when to use it, and how to automatically trace an image, step-by-step. There are two ways to complete this process: manual tracing and automatic tracing. This involves drawing over the outline of your raster image with vector entities such as lines, polygons, bezier curves and many other vector entities. If you want to produce a vector representation of a raster image, you need to use a technique called image tracing.
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