CloudCompare forum

I am facing a strange issue with a point cloud and CloudCompare. Let me explain with a simple example:

I have a point cloud, which I’ll call "input_cloud".
I perform a simple process in CloudCompare via command line: I load the file and then export it. The exported file becomes "output_cloud".
The problem:

When I display "output_cloud" in any software, it visually appears as if the cloud has been decimated or downsampled. It is no longer a dense point cloud but looks like a grid of points aligned vertically, with bands spaced 50 cm apart.
However, the total number of points in "input_cloud" and "output_cloud" is exactly the same, and the file sizes are almost identical.
I have tried several approaches:

I loaded "output_cloud" into RealWork, and the same issue is visible.
I tried with different clouds,
I modified my script to test other parameters (such as -MESH_CLOUDS and -CROP2D) or tried different import/export formats (e57, LAS, BIN), but the result is always the same.
I tested this with CloudCompare versions v2.14.alpha and v2.11.13, but nothing changed.
Has anyone encountered this problem before or has any idea how to resolve it? I’m open to any suggestions!

my script :
@echo off
setlocal

"C:\Program Files\CloudCompare\cloudcompare.exe" -O "statique.e57" -C_EXPORT_FMT E57 -SAVE_CLOUDS FILE "3sortie"

endlocal

Yes, that's the very classical 'Global shift' issue. While CloudCompare will warn the user of the Graphical Interface version profusely, it doesn't apply any global shift to large coordinates by default in the command line mode.

You have to use '-GLOBAL_SHIFT AUTO' just after '-O' at the very least. See the wiki: https://www.cloudcompare.org/doc/wiki/i ... _line_mode

It works. Thank you so much! You've just taken a huge weight off my shoulders. Thank you! Thank you! Thank you!+

For those who might be interested, here is the corrected version of my code:
"C:\Program Files\CloudCompare\cloudcompare.exe" -O -GLOBAL_SHIFT AUTO "input.e57" -C_EXPORT_FMT E57 -SAVE_CLOUDS FILE "output.e57"