Three-dimensional reconstructions come to life--interactive 3D PDF animations in functional morphology.

Three-dimensional reconstructions come to life--interactive 3D PDF animations in functional morphology.
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DOI:
10.1371/journal.pone.0102355
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Riedel A
Riedel A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
van de Kamp T;dos Santos Rolo T;Vagovič P;Baumbach T;Riedel A

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基于分段数据集的数字表面网格模型已成为动物解剖学和功能形态学研究的重要组成部分;通常,它们以静态图像、电影或交互式 PDF 文件的形式发布。我们以保存下来的三角翅象鼻虫为例,演示了嵌入 PDF 文档中的动画 3D 模型的使用,它结合了电影和交互性的优点。由于精确的形状闭合,该方法特别适合模拟具有很大程度上确定性运动的关节。我们说明了单个螺钉和螺母型髋关节的功能,并继续研究整个昆虫达到防御位置的复杂运动。这种姿势是通过一系列特定的运动来实现的:头部和腿部相互连锁,并具有胸部和第一腹部腹腔的特定特征,大概是为了增加甲虫的机械稳定性并以最小的肌肉活动保持防御位置。精确贴合的身体部位的确定性相互作用遵循定义的顺序,这类似于一件工程。
Digital surface mesh models based on segmented datasets have become an integral part of studies on animal anatomy and functional morphology; usually, they are published as static images, movies or as interactive PDF files. We demonstrate the use of animated 3D models embedded in PDF documents, which combine the advantages of both movie and interactivity, based on the example of preserved Trigonopterus weevils. The method is particularly suitable to simulate joints with largely deterministic movements due to precise form closure. We illustrate the function of an individual screw-and-nut type hip joint and proceed to the complex movements of the entire insect attaining a defence position. This posture is achieved by a specific cascade of movements: Head and legs interlock mutually and with specific features of thorax and the first abdominal ventrite, presumably to increase the mechanical stability of the beetle and to maintain the defence position with minimal muscle activity. The deterministic interaction of accurately fitting body parts follows a defined sequence, which resembles a piece of engineering.
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