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| + | ===== Pseudo Objects ===== | ||
| + | The TAD interface has a 3D viewing option. When you click the 3D icon on the screen, a window opens and displays your model in perspective view. **Pseudo objects** are used to set the viewing location, angle, and lighting of the model in the 3D viewing window. | ||
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| + | TAD has the following default pseudo objects in TAD: | ||
| + | * location (the point from where you view the model) | ||
| + | * lookat (the point you are looking, helps set viewing angle) | ||
| + | * light | ||
| + | * light#2 | ||
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| + | The **location** object is represented by a right-angled triangle. It is recommended that you place the location outside the boundaries of the building model. | ||
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| + | The **lookat** object is represented by a right-angled triangle. It is recommended that you place the lookat within the boundaries of the building model. | ||
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| + | **Note**: The location object is different from the architect. The location object is used only for 3D viewing purpose, whereas, the architect is used to execute activities on the site. | ||