Mesh has holes, even though there should be enough pixel data

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  • Haider Of Sweden
    Blossoming 3Dflower
    • Aug 2017
    • 2

    Mesh has holes, even though there should be enough pixel data

    Hello!

    I am new to Zephyr, so I am playing around with a bunch of model references.
    Unfortunately, often I get holes even though there should be image information.

    If anyone is willing to take a look at one of the projects I made, you find it here:


  • Andrea Alessi
    3Dflow Staff
    • Oct 2013
    • 1304

    #2
    Hi Haider,

    if you are referring to the top hole on the head, that is because of the bounding box. Simply extend it a bit. Zephyr will automatically compute the bounding box, but in some cases it might not be accurate enough, and you have to manually extend it. In this case, the bounding box was too small because of the very low amount of photos.

    In this recipe you will learn how to change the bounding box settings in 3DF Zephyr, a simple but important feature.


    Other holes are normal, as you don't have enough images (10 is a very very, very low number). You should probably take at least around 50 to get a complete mesh of that subject. As a good rule of thumb, each point you want to be reconstructed must be seen by at least 3 pictures

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    • Haider Of Sweden
      Blossoming 3Dflower
      • Aug 2017
      • 2

      #3
      Originally posted by Andrea Alessi
      Hi Haider,

      if you are referring to the top hole on the head, that is because of the bounding box. Simply extend it a bit. Zephyr will automatically compute the bounding box, but in some cases it might not be accurate enough, and you have to manually extend it. In this case, the bounding box was too small because of the very low amount of photos.

      In this recipe you will learn how to change the bounding box settings in 3DF Zephyr, a simple but important feature.


      Other holes are normal, as you don't have enough images (10 is a very very, very low number). You should probably take at least around 50 to get a complete mesh of that subject. As a good rule of thumb, each point you want to be reconstructed must be seen by at least 3 pictures
      oops, more than a year later, I see your reply. I need to check my suscription settings

      I understand the benefit of more images. However, I have managed to get a full 3d model in other photomodeler software.
      So is the final answer that its impossible with Zephyr, or are there better settings that I might have missed?

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