The Picture Surface
Although you may actually be drawing or painting on a paper or canvas lying flat on a table or at a slant on an easel, always imagine that paper or canvas to be set up vertically between you and the things you're drawing or painting, and imagine that you're actually seeing through the paper or canvas and simply tracing on it.
That imaginary surface is called the picture surface or the picture plane, and I'll refer to it frequently throughout this book. When I speak of something as being “parallel to your picture surface,” for example, I don't mean parallel to your actual paper or canvas, which may b...
the picture surface
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