point sets in Registration examples

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  • 21 June 2017 at 17:21 #9341
    Lujain
    Blocked

    Hi guys,

    I am doing some experiments about registration using Sofa.
    But I didn’t get the meaning of the data sets listed in the plugins\Registration\examples\data directory. As I understood, the femur_f means the fixed file and femur_m means the moving file,right? But what’s femur_m_res? I noticed the registration is done by the femur_f and femur_m_res. I have different mesh file(before and after deformation) in .vtu format. So how can I obtain the file like femur_m_res?

    Thanks!

    23 June 2017 at 17:27 #9345
    Hugo
    Keymaster

    Hi Lujain,

    I did not create myself the scene and files, but it seems from the different example scenes that these files are surface meshes corresponding to different configuration of a femur. Most the example scenes use the femur_f as the target of the registration process.

    Your own meshes (vtu) are surface of volumetric meshes ?
    The meshes in these registration examples are surface meshes, you could use surface vtu meshes in the same way using a VTKLoader instead of the ObjLoader.

    HTH,

    Hugo

    25 June 2017 at 09:13 #9358
    Lujain
    Blocked

    Hi Hugo,

    Yes you are right. The femur_f seems always be the target of the registration process.
    My meshes are the surface extracted from the volumetric meshes. But I am confused at that femur_m_res file

    Anyway, thanks,hugo

    BEST,
    Lujain

    25 June 2017 at 10:17 #9359
    Hugo
    Keymaster

    The mesh is just another configuration, the naming shouldn’t bother you. Do you need any further info? would you like to close the topic?

    26 June 2017 at 14:12 #9367
    Lujain
    Blocked

    I meant the femur_m_res has the same number of points as the femur_f, but femut_m isn’t.

    10 July 2017 at 13:42 #9779
    Hugo
    Keymaster

    Hi Lujain,

    femur_m is maybe used to show that the number of nodes between the origin and target mesh can be different.

    Hugo

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