CloudCompare forum

Which file type are you loading?

Yes, you have to select the entities (inside the 'folder' or 'group' entities that we can see on the capture). Each time you open a file, a 'group' entity is created, with all the 3D entities inside.

Which version are you using and on which OS?

Sorry, I missed the previous messages. Can you send me a long to the example file directly to 'admin@cloudcompare.org'?

So, the I/O filter has been updated already. I'm just waiting for some feedback from someone owning real PTX files with normals.

Ok, I've made the change in the latest 2.14.beta version online (for Windows). Tell me if it works.

And even better, if you could send me a sample file, that would very useful to check that I've done things correctly.

So referring to the code and to https://paulbourke.net/dataformats/ptx/ , the sensor position and orientation is stored in rows 3-6 (row 3 is the sensor center, and the next 3 rows are the X, Y and Z vectors).

Rows 7-10 store the global transformation matrix that applies to the points (and I would ...

Which version are you using?

Yep, good trick for now. But we should definitely add this to the PTX I/O filter as well.

This generally happen when you have many points at the same location. Can you try using the 'Tools > Other > Remove duplicate points' on these clouds first?