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LAZ files does not work, displays nothing. #179

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khairulashraff opened this issue Jan 30, 2025 · 2 comments
Open

LAZ files does not work, displays nothing. #179

khairulashraff opened this issue Jan 30, 2025 · 2 comments

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@khairulashraff
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When loading a converted LAZ file, the lib does not display anything. No error, nothing. When scrolling around, no requests are being made either. I tested using the example here.

I ran the example with LAS files and those work fine so I know I can run the example with my own server/files.

Image
does initial load, then stops and nothing more

The conversion does work fine and they do show up properly on potree's own renderer/viewer.
Image

Sample data:
https://www.limon.eu/support/sample-data

I'm using 2.0 Converter.

@Jordan-Lane
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Unfortunately this seems to be a known issue. Three-loader currently doesn't support LAS/LAZ #61

@khairulashraff
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Sorry, should have updated this issue.

I found out what was going on with it. It does load the LAZ file but it is placing the PCD in a very faraway location. I have another back-end that pre-process PCDs anyway (re-centers it among other things) so it gets solved there so this isn't much of an issue for us anymore.

Image
This is a different PCD but you can see the bounding box coordinates is pretty far off the origin.

For the PCD I used in the first post, this was the bounding box;

{
    "isBox3": true,
    "min": {
        "x": 6483393.365,
        "y": 5589339.315,
        "z": 220.92
    },
    "max": {
        "x": 6483673.12,
        "y": 5589619.07,
        "z": 500.6749999998882
    }
}

I want to say the lib is not responsible for it but potree's own viewer can view it so maybe there's something that potree-viewer handles that this lib does not.

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