| 摘要 |
One embodiment of the present invention sets forth a technique for providing position pegs between objects and a three-dimensional reference grid that is displayed in design software application programs. The reference grid appears infinite in space and scale. A position peg that includes a stalk and base is drawn between each object and the reference grid. The stalk indicates the height of the object above or below the reference grid, and the base is positioned on the reference grid. An inside radius of the base indicates the distance between the object and the reference grid. The position pegs are independent of the viewing projection and allow an end user to sense how objects in workspace relate to each other in terms of position and scale. The reference grid and position pegs provide an end user with reference imagery for camera-operation visualization and scene content understanding.
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