Getting the Angles Right
This next measurement exercise is a bit more challenging. Our goal is to correctly proportion our drawing of a building structure and have it show the same angles as the reference photograph. It involves the same process of measuring that we used in the previous example, but we have added perspective, the idea that the structure has depth and parts of it appear closer to us or farther away.
Let’s figure out how to accurately draw the angles of these ancient columns in Corinth, Greece. When doing this with one of your own photos, work on a photocopy instead of marking it up. ...