Model Reconstruction - Model files corrupt?

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    Ondrej Trhan CR

    Hello Smart Drones.

    What version of RealityCapture do you have?

    Are you using a network drive or an external hard drive?
    This can happen when you will lose access to the file path of you cache, dataset folder or project folder.
    Usually, this happens when your hard drive is disconnected during a large dataset calculation (it does not matter if your hard drive was reconnected in the meantime)

    Please also try this:
    please try to Make it like a clean install. (close RealityCapture before)
    1. reinstalling and updating Nvidia drivers, 
    2. removing cache (manually navigate to your cache location and remove the cache folder)
    3. Please try to "make it like a clean install" (this will reset your settings to default in the process):
    In order to do that:
    - Shift + Double LeftMouseClick on RealityCapture icon
    - From drop-down select make it like a clean install and press ok
    - Then try again

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    Eamon_Q

    Hi Smart Drones,

    I'm wondering if you solved your problem eventually? I am having this exact same issue and following the steps suggested by Ondrej Trhan CR has not fixed it.

    Any help or suggestions appreciated.

    Thanks!

     

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    Ondrej Trhan CR

    Hi Eamon_Q, can you send us more info about this problem?

    In which step of process did you get it? What were your reprosteps here?

    What kind of data are you using? Did you remove cache?

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    Eamon_Q

    Hi Ondrej Trhan, 

    Thanks for the quick reply.

    I am using a PTX file from a Faro scanner combined with hi-res TIFFs, (converted to 8 bit in RC). Alignment went great and yesterday I started the calculation for the mesh. Visually it looks like it has been successful, but when I try to "select the largest component", I get the message:

    "Processing

    One or more files of the model are corrupted. Run the Check model integrity tool..."

    When I run the check model integrity tool I get the message:

    "File not found"

    One thing to note is that I am running the project from an external SSD and have also set the cache to that drive. The source data is on an internal SSD. I did this as originally the cache was getting so large that it would fill up the internal SSD when calculating the mesh and give errors.

    I did all the steps as you suggested and also deleted the cache. One thing that did happen is that on first load of the project and then checking the model integrity, I got the following message:

    "Autosaving project

    The process cannot access the file because it is being used by another process"

    I only got this message once - I now get the first 2 mentioned error messages again.

    Thanks!

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    Ondrej Trhan CR

    So, the problem here could be, that you are using an external disc. There could be a small outage and the project could be saved wrongly, which result in this errors. We don't recommend to use external dataset for processing. 

     

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    Eamon_Q

    OK, I will get a bigger internal drive and see if that fixes the issue. Do you think that such an outage would cause the issue when constructing the mesh? Or could it be before then during setting up of the project / alignment? Wondering how far back in the process I should revert to avoid the error again.

    Thanks again for the quick help!

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    Ondrej Trhan CR

    Yes, any outage can cause this kind of issue. Also the smallest one.

    Maybe try to disable autosave when you have external disc.

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    Eamon_Q

    Just to update here, the solution of using only an internal SSD solved the problem.

    For anyone else facing simillar issues, I installed a 2TB internal SSD and the capacity seems to be a good option for RC. At the peak of processing storage was running at around 1.5TB and now nearing the final stages I emptied the cache and the project is about 550GB in its entirety.

    Thanks again for the help Odrej!

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