Figure 33.
The image presents a four-part diagram showcasing parabolic structures. The top-left section features paraboloid edge curves, indicated by a red outline. The top-right segment illustrates upper and lower radial curves patterns, characterized by intersecting lines forming a three-dimensional appearance. The bottom-left displays the roof primary structure, with the same red outline enveloping the inner radial framework. Finally, the bottom-right part depicts the global roof structure, exhibiting a more complex interplay of intersecting lines that form a comprehensive three-dimensional shape. Each segment is labeled with descriptive text that identifies its specific structure.Generation of roof structure starting geometry