Thanks Murat,

I actually switched to the Landmark Editor software, which is much easier 
to use.

On Wednesday, December 20, 2017 at 1:39:06 PM UTC-5, Murat Maga wrote:
>
> In my experience rgl tends to be slow with meshes with high number of 
> vertices. You may want to do your data collection outside of R using 
> programs optimized for handling high-resolution meshes, such as MeshLab or 
> 3D Slicer, save your coordinates as a text file and import them into R. 
>
>  
>
> M
>
>  
>
>  
>
> *From:* Phillip Skipwith [mailto:pski...@gmail.com <javascript:>] 
> *Sent:* Friday, December 15, 2017 8:37 AM
> *To:* MORPHMET <morp...@morphometrics.org <javascript:>>
> *Subject:* [MORPHMET] Issue with digit.fixed on 3D mesh geomorph
>
>  
>
> Hi Everyone,
>
>  
>
> First: I apologize if this is a double posting.
>
>  
>
> I'm new to 3D geometric morphometrics, so this issue might turn out to be 
> a trivial one with an easy fix. At the moment I'm trying to place landmarks 
> on ply meshs (120 - 150k vertices) in geomorph using the digit.fixed 
> function. However, when I set a landmark on a vertex of interest, the point 
> does not attach to the correct spot. Rather, it vanishes somewhere deeper 
> in the mesh. Increasing ptsize to something well above 3 helps a little, 
> but not much. I realize that the help files use meshes below 30k vertices, 
> but I lose a lot of information when I go that low. Has anyone else had 
> this issue? Is it possible to select faces instead of vertices in geomorph 
> (seems unlikely)?
>
> I wondering if there was some special way of exporting ply files from 
> Meshlab that I'm missing. At the moment I simplify my high resolution mesh 
> with quadratic decimation, and then export the ASCII ply directly from 
> Meshlab without fiddling with the settings. Is this right?
>
>  
>
> Any help would be greatly appreciated.
>
>  
>
> Best,
>
>  
>
> Skip 
>
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