Re: [iso2mesh-users] vol2mesh only return the surface mesh

[Qianqian Fang]

hi Chengxin,

did you print  the elem output? your volumetric mesh is in node/elem. you don't need face output.

if your confusion came from the fact that plotmesh only shows the exterior surface when you run plotmesh(node, elem), that does not mean the elem output is just surface.

you can try making a cross-sectional cut and see the interior elements

plotmesh(node, elem, ['x<' num2str(mean(node(:,1))]);

Qianqian

On 4/7/24 06:44, Chengxin Weng wrote:

Dear Dr. Fang,

I am trying to use vol2mesh to create the volumetric mesh of a 3D aorta binary mask matrix, but it only return the surface mesh.

the opt was set as 5

the maxvol was set as 8

and the isovalue was set as 1(1for inside the mask,0 for outside the mask)

[node,elem,face] = vol2mesh(data.Mask,1:size(data.Mask,1),1:size(data.Mask,2),1:size(data.Mask,3),5,2*2*2,1,'cgalmesh',1);

Thanks,

Chengxin

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