The painting process is started by gathering as much information as possible about the proposed subject. It is best to obtain pictures of the subject from different angles and in different lighting, as well as doing a little research on the subject. Seeing the subject in person is a plus, at which time you can mentally note all the subtle things that photographs don't show you. If you are doing the painting for someone, find out what kind of mood they would like the painting to portray (calmness, excitement, happiness, etc.), and if they have any preferences as the what should be in the painting. (A waterfall, their favorite place, etc.) Gather pictures of potential backgrounds too.