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Extra info for Developing Computer Aided Design and Computer Aided Engineering Modeling Methods for Vertebrate Paleontology

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0® from a 3D data set The least inaccurate way of constructing a ‘life’ model uses a virtual skeleton or at least an unmeshed pointcloud file of a skeleton as source data. : Virtual Dinosaurs - CAD and CAE Modeling Methods for Vertebrate Paleontology The input data must be prepared for model creation. This may include assembling the skeleton as described above, if digital files of individual bones or groups of bones are used. Also, scans of dynamically posed skeletons should be edited to bring at least the vertebral column into a straight line without transverse bending, and to correct for mistakes made during the mounting of the original skeleton.

2003). Even the large hypothetical soft tissue heel suggested by Sullivan et al. (2003) would not remove the need to arch the foot to improve the absorption of longitudinal bending. Also, there are no attachment marks on the metatarsals for the strong connective tissue required to keep the pad in place under pressure, as the lack of transverse arching in the metatarsus prevents the bones from containing a soft, flexible and deformable pad laterally. Additionally, the metatarsals themselves have a flattened cross section, again suggesting a near-vertical position.

Stevens, pers. , but see Dzemski [2006a, 2006b] on habitual posture, and Christian and Dzemski [2007] on the accuracy of using a lateral view only to assess proper articulation), neutral posture is a useful position in so far as it shows up even slight keystoning of the vertebrae. In Plateosaurus engelhardti, there are two areas of the vertebral column apparently exhibiting natural curves: the dorsal vertebrae describe a slightly down turning arch from the sacrum forward, while the posterior cervicals turn upwards in a slight curve.

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