If you work with computers sooner or later you’re going to find you need an image that is in a raster (AKA bitmap) format (e.g. .gif, .jpg, .wmf) translated to a vector format (e.g. .svg, .cgm, .dwg).

One of the hardest things to accomplish in vector illustration is a halftone, which is a way of reproducing a monochrome image using only dots of varying sizes. Halftones are especially important for ...