An art connoisseur
It directs the viewer to look first at the illuminated part of the painting.
mathematics and science
Look at the work of art and describe what you see
How should art be judged
To turn the camera into a painter's tool
To make people believe a painting is a photograph
The duller objects will seem farther away.
Western art criticism focuses on theory and philosophy.
Establish a horizon line and a vanishing point
The question is "What is art?"
And the answer is likely to be subjective, because some forms of symbolic or representational art may not have any apparent meaning to some of its audience. The creation of abstract art, "junkyard sculpture" and more recently the ephemeral "performance art" all stretch the definition beyond its classical roots.
The development of the first mathematical system of perspective (apex)
It outline's object's realistically by creating a gentle transformation from one object to another.(:
Artists are products of their environments.
What is the artisit trying to communicate to the viewer
The purpose of painting is to reduce nature as closely as possible
the use of size to establish the importance of the main subject