Answer :
The reason why orthographic projection is commonly used in architectural rendering and CAD tools, despite perspective transformation being more physically correct, can be attributed to several factors.
1. Accuracy and precision: Orthographic projection allows for accurate measurements and precise representations of objects. It eliminates the distortion that occurs with perspective projection, making it easier to create precise drawings and designs.
2. Simplification: Orthographic projection simplifies the representation of complex architectural structures by removing depth cues. This makes it easier for architects and designers to focus on the overall form and layout of the building without getting distracted by perspective effects.
3. Standardization: Orthographic projection has been widely adopted as a standard in architectural drawing practices. It allows for consistency and ease of communication among professionals in the field, ensuring that everyone understands the drawings and designs in a consistent manner.
4. Technical requirements: CAD tools often require orthographic projection due to the computational efficiency it offers. Perspective projection involves complex mathematical calculations to accurately represent depth and foreshortening, which can be computationally expensive and time-consuming for real-time rendering and modeling.
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