A recent forum post brought up the question that rises periodically on how to reduce colors in photographs, scans, etc. so as to be able to in turn use the image in a low-resolution medium such as knit. There are very many ways to achieve this. The post had specifically asked for low cost or free alternatives using Mac software, so I began playing, and compiled the following document detailing some of my processes, addressing large scale, non-repetitive images in Color reductions for knitting. The document samples were simple, straightforward conversions, with no further “tweaking”.
Mac Os: iPhoto, Preview, further software downloads:
Free to try, $39.95 to buy GraphicConverter, the developer site
diffusion, halftone, pattern, custom A tutorial for owners of Photoshop diffusion, halftone, pattern, custom With thanks to my test subjects: RoccoOne bit camera and my sofa fabric
A later post on the topic, showing the many faces of Rocco