What is Relative Coordinates?

When we talk about 3D visualization, there are various coordinate systems that can be used to describe the position and orientation of objects in 3D space.

Relative coordinates are based on the idea of an observer’s frame of reference. In other words, the coordinates are relative to the observer’s position and orientation. This is opposed to absolute coordinates, which are based on an objective frame of reference (such as the center of the universe).

Relative coordinates are often used in computer graphics, since they simplify the math involved in rendering 3D scenes. For example, when a character is moving towards the camera in a game, their position can be described using relative coordinates (which are based on the camera’s position and orientation). This makes it easier to calculate the character’s position on the screen, since you don’t have to worry about translating the character’s position into the game world’s absolute coordinate system.

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