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Point cloud export (.ply) #40

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sp1fos2 opened this issue Jun 9, 2024 · 2 comments
Open

Point cloud export (.ply) #40

sp1fos2 opened this issue Jun 9, 2024 · 2 comments
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feature request New ideas and feature requests help wanted Extra attention is needed

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@sp1fos2
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sp1fos2 commented Jun 9, 2024

I want to see an "Export as PLY (point cloud) feature in iFSRenderer

@bezo97
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bezo97 commented Jun 9, 2024

I wish this was feasible! Problem is that billions of points are generated each second, many are duplicates. We can't possibly fit that huge point cloud into memory and I'm not sure how it could be simplified. Also, currently we don't keep the points in memory, they're written to the histogram and then thrown away for the same reasons.
Sadly I don't see a straightforward way to implement this, but lets leave this issue open for discussion.

@bezo97 bezo97 added help wanted Extra attention is needed feature request New ideas and feature requests labels Jun 9, 2024
@bezo97 bezo97 changed the title PLY Point cloud export (.ply) Jun 9, 2024
@wrightwriter
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I wish this was feasible! Problem is that billions of points are generated each second, many are duplicates. We can't possibly fit that huge point cloud into memory and I'm not sure how it could be simplified. Also, currently we don't keep the points in memory, they're written to the histogram and then thrown away for the same reasons. Sadly I don't see a straightforward way to implement this, but lets leave this issue open for discussion.

You could build a octree which detects if cell has too many particles. If the cell has too many particles - you increment brightness instead of adding more of them.

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