0
votes
2answers
207 views

Should I remove or add pixels and then scale up?

I would like to make this image to have 4:3 ratio, so it then later can be scaled up so it completely fits a 400mm x 300mm paper when printed. It can not be cropped any more, so the size is ...
2
votes
4answers
518 views

Preparing photographs for black and white photocopiers

I am preparing a textbook for use at my school. Eventually, I might hand-draw all of the illustrations, but in the meantime, I will use photographs. Some of these photographs will fill 1/3 of the ...