What aspect does a three-dimensional measuring system rely on?

A three-dimensional measuring system relies on three defined reference planes to accurately determine the position of points or objects in a three-dimensional space. These planes typically correspond to the three dimensions: length, width, and height. By using these three planes, the system can provide a complete spatial framework, which allows for precise measurement and analysis of structures or components.

With three defined reference planes, measurements can be captured in a way that reflects their true spatial relationships, enabling accurate assessments of dimensions, angles, and locations in three-dimensional space. This multi-plane approach is essential for applications in fields such as engineering, architecture, and manufacturing, where understanding the spatial orientation and dimensions of an object is crucial.

In contrast, relying on only height measurement or a single reference plane would limit the ability to accurately define the object's position and dimensions, while relying solely on electronic calculations without a spatial framework would not provide the necessary context for physical measurements.