How to get the volume information out of a mesh?

6 次查看（过去 30 天）
YE HUICHAO
YE HUICHAO 2011-11-27
I am doing a project recently which requires me to get volume of different parts of pinnaes. The pinnaes are taken by digital camers and transfered to pointcloud .I can transfer the point cloud into 3D mesh. Now I have to find a way to get the volume of each parts,or find something to represent the volume.Professor suggested me to try filling the area with pixals and calculate the number of holes filled.How to do that? Now I have vertices,faces information and I have the stl file of the object. I tried some commands such as tetramesh,imfill,but got nothing valuable. Please help me. Since there is no way to put pictures here,I can just give the data. Just some hints,like how to put pixels into the 3D area and calculate the numbers of them.Thanks
  1 个评论
Walter Roberson
Walter Roberson 2011-11-27
http://www.mathworks.com/matlabcentral/answers/7924-where-can-i-upload-images-and-files-for-use-on-matlab-answers
http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup#answer_18098

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Walter Roberson
Walter Roberson 2011-11-27
This contribution might help: http://www.mathworks.com/matlabcentral/fileexchange/15221-triangulationvolume
When I go back through discussions, I see that the recommendation is usually to convert the mesh to tetrahedrons and then to sum the volumes of each of the tetrahedrons. There is a contribution to do the conversion to tetrahedrons at http://www.mathworks.com/matlabcentral/fileexchange/27830-mesh2tetra

类别

在 Help Center 和 File Exchange 中查找有关 Lighting, Transparency, and Shading 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by