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Terrie S

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Posts posted by Terrie S


  1. @Daniel Hanover If you just want to "paint" your 3D mesh, you do not have to convert it to a segmentation unless you want to segment other parts out. You can use Meshlab to assign a color per vertex and even paint parts with the paintbrush tool then export as PLY with color.


  2. On 3/16/2021 at 5:46 PM, ArturArtur said:

    I dont know how to fill walls of skull ( pink space) 

    You can go to Analysis--> Inspector and it will drop pins indicating the holes and you can click them to fill in. Since your edges are highlighted blue, Meshmixer knows those edges outline holes.


  3. I think vtk.js or 3DHOP would work well. 3DHOP has measurement, transparency, and clipping and works well with CT and microCT models. I have generated static pages with 3DHOP, but I think for a site like this you would need a "viewer" page that models get directed to or generated when someone wants to see it in 3D.

     

    Sketchfab can also be used since you only need to view one model at a time and it supports public or private models, you can set whether models are downloadable or just viewable, but generating a custom viewer with more features for your own site requires a Premium or above account.


  4. It was good. The live discourse on Wednesday was fun. Tuesday was mostly presentation of new features, Slicer citations and number of users/posts in the discourse. Thursday was web applications--they mentioned vtk.js and the gltf export Wed when I brought up Sketchfab and there was a presentation on it yesterday so that was helpful. Now I need to learn vtk.js!


  5. <iframe width="480" height="373" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" id="kitware-vol-viewer" title="Volume viewer" src="https://kitware.github.io/vtk-js/examples/VolumeViewer/VolumeViewer.html?fileURL=https://data.kitware.com/api/v1/item/59e12e988d777f31ac6455c5/download"> </iframe>


  6. <iframe width="480" height="373" frameborder="0" scrolling="no" marginheight="0"
     marginwidth="0" id="kitware-vol-viewer"
     title="Volume viewer"
     src="https://kitware.github.io/vtk-js/examples/VolumeViewer/VolumeViewer.html?fileURL=https://data.kitware.com/api/v1/item/59e12e988d777f31ac6455c5/download">
    </iframe>

     


  7. It might be a function of just allowing the Sketchfab url:

    • Allowed iframe bases
      By default, iframes are usually stripped from posts. However, if you have a need to allow them, you can add URLs here. If the URL of an iframe matches one listed, it will be allowed through the parser.

  8. Maybe I'll write a tutorial on this:

     

    I have played around with the Split Volume tool in the Segment Editor in 3D Slicer and it seems like it would be pretty nifty for some of the files uploaded here, although it does require you to create segments first. Basically you make your segments, apply Split Volume and it creates a new NRRD volume for each segment--they're all available when you click Save. So if you're segmenting just bones, it gets rid of the soft tissue voxels. Mask Volume might do something similar but I haven't played with it yet.

     

    2020-11-23_14-53-36.png

    2020-11-23_14-57-27.png


  9. On 6/25/2020 at 1:32 AM, RCH said:

    I want to have a life-sized human skull printed from DICOM files, and I'm wondering if the mandible can be printed separately, so that I can articulate them.  Has anyone heard of this being done?  Is it possible to somehow separate the DICOM files of skull and mandible, so they can be separately printed?  If so, what are my material options? 
    BTW -- I recognize that a separate mandible is unlikely to stay in place on the skull, and that's fine; I'm capable of fabricating some method of holding it in place. 
    Thank you in advance for any thoughts on the topic.

    You don't need to create separate DICOM files for the skull and mandible. Depending on the overlap of the teeth, you can erase some of the segmentation in order to create gaps between the skull and mandible--if you are segmenting yourself. If you are uploading to democratiz3d, you can download the model and then either apply a plane cut in Meshmixer or if you want the actual articulations, you can "paint" the parts of the model to delete to create the necessary gaps, then repair the holes. Again, the difficulty would depend on whether you can separate the teeth on the maxilla from the mandible.

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