what are the different types of perspective
http://painting.about.com/od/artglossaryp/g/defperspective.htm
Perspective is usually identified by the number of vanishing points used in the picture to draw an object or set of objects. Sometimes, there can be more than one form of perspective used in a composition. Typically, you will see one-point perspective, two-point perspective, and three-point perspective.
There are three main types of perspective in art:
1. **One-point perspective**: In one-point perspective, all lines converge to a single vanishing point on the horizon line. This type of perspective is commonly used to create an illusion of depth and distance on a two-dimensional surface.
To create one-point perspective, start by drawing a horizontal line across your paper, which will serve as your horizon line. Then, determine the location of your vanishing point on the horizon line. Next, draw the lines radiating from this vanishing point to represent the edges of objects or architectural elements in your scene.
2. **Two-point perspective**: Two-point perspective uses two vanishing points on the horizon line, allowing for a wider range of angles and viewpoints than one-point perspective. In this type of perspective, the vertical lines remain upright while the horizontal lines converge towards the vanishing points.
To create two-point perspective, begin by drawing the horizon line and placing two vanishing points on it. Next, draw vertical lines to represent the height of objects or buildings. From each vanishing point, draw lines that converge towards the corresponding vanishing point, crossing the vertical lines to create an illusion of depth and space.
3. **Three-point perspective**: Three-point perspective adds a third vanishing point above or below the horizon line, creating a more dynamic and dramatic effect. This type of perspective is often used when portraying extreme angles or viewpoints.
To create three-point perspective, start by drawing the horizon line and placing two vanishing points on it as in two-point perspective. Then, add a third vanishing point either above or below the horizon line. Draw lines radiating from this extra vanishing point to create the illusion of depth and foreshortening.
By understanding and practicing these different types of perspective, artists can create more realistic and dimensional drawings. Keep in mind that a good way to improve is to observe real-life scenes or reference photos, and deconstruct them into basic shapes and lines to understand the perspective at play.