Technique Tuesday: Diagonals

Often you’ll hear artists talking about diagonal lines within a composition. Diagonal lines can be very important to an image because of how they affect the mood and visual impression of a scene. However, diagonals are not just about line. You can have diagonal shapes and patterns as well.

Diagonals are always dynamic elements within a picture. They create a strong feeling of movement because the eye wants to move along a diagonal. There is something about the human mind that wants to follow a diagonal line. We will also follow a vertical line up and down, though we won’t really follow a horizontal line. Putting a diagonal line in with a vertical or horizontal line will create a very dramatic contrast. That can be a dynamic way of using a composition, but it can also be very distracting and disturbing for the viewer. You have to be careful about how you are using diagonal lines, shapes and patterns.

Diagonals also give a very strong dynamic feeling to an image because most diagonals in the real world are objects that have some sort of tension to them. A diagonal will typically be something that is moving or has the potential of movement. Diagonal objects in real life can look like they are ready to fall down so there is always a certain tension there. In addition, we know that if something that can move is placed on a diagonal surface, it is going to move down that surface because of gravity. That doesn’t mean that diagonals used in your photograph are looking like things are going to fall or roll down – it just means that there is a tension and movement there that people react to.

There is something very interesting that happens with diagonals when they are combined with horizontal and vertical lines. They can look like they are a support beam. Think about when you play the game, hangman. Most people draw the hanging post with a diagonal line between the vertical and horizontal lines to make it look like it has more support.

Okay, all of this can seem very esoteric and not very applicable to that landscape with a stream running through it. Yet as you start to look at that scene, you will start to see diagonals there that can help structure your composition and create a stronger design. Once again, becoming aware of these elements of design will help you use them within your composition.

Excerpt from “The Art of the Photograph” – pick it up today in my online store!

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