What do we mean when we say angle of vision? To a few it might merely sound like a nice way to identify a personal bias- and in some ways you would be right. When writing, the angle of vision is the lens, filter, perspective, or point of view of the writer. This term most clearly demonstrates the positive aspects of a writer’s power to control how information unfolds. Effectively wielding angle of vision, the writer can determine how and when the reader learns information, as well as how to persuade their readers acceptance of certain elements of their work. However, there is a fine line between persuading your reader and presenting one-sided information. By controlling the flow of information, the angle of vision effectively reveals personal biases in so far as when and how a perspective of the whole [that has already been introduced] is revealed. What the angle of vision does not represent is the distorted, and one-sided biases that detract from the complete picture.
Can you see the painters angle of vision in the picture? What does he want you to viewer to see? is it the tree branch back dropped by the mass of water? or is it something else? Perhaps a baby in the womb encased in liquid?