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Post 1 of 6

Best point cloud for indexing

104 Views, 5 Replies
12-09-2016 09:41 AM

For indexing in Recap, what is the best type of point cloud to export from Cyclone?  I have been using e57 for a long time, but was just told that PTGs are the better for whatever reason.  What does Recap recommend?

Post 2 of 6

Re: Best point cloud for indexing

12-09-2016 09:54 AM in reply to: jared.white

I'd recommend PTX or E57.  PTG is Autodesk's older point cloud format.

Post 3 of 6

Re: Best point cloud for indexing

12-09-2016 10:02 AM in reply to: michael.riley

Hi Jared,

 

There is also a known issue with importing Cyclone-generated PTG files if you have deleted a lot of points. Cyclone will still output those points, but with zeroes for values. This tricks Recap's importer into thinking that there are actually points at the origin of the coordinate system, and so it's as if the scan's bounding volumes are larger than they need to be. In this case, I would recommend E57.

 

Otherwise, it shouldn't matter much. PTG is often faster to import/export, but it all depends on the content of the scan.

 

Cheers,

 

Dave

Post 4 of 6

Re: Best point cloud for indexing

12-09-2016 10:34 AM in reply to: daverudolf

This makes sense..  The problem that we have that i was hoping a PTG would fix is the naming.  Our scanner names the scans, but recap re-names them randomly when indexed.  

Post 5 of 6

Re: Best point cloud for indexing

12-09-2016 11:29 AM in reply to: jared.white

What type of scanner are you using? Recap should keep the same file names for single-scan file formats, though it does rename file names for multi-scan formats (e.g., an E57 file with multiple scans in it).

Post 6 of 6

Re: Best point cloud for indexing

04-13-2017 09:45 AM in reply to: daverudolf

We use a Leica P40, which unfortunately does not cooperate with recap directly.  We are hoping that Leica's new relationship with AutoDesk (aka BLK360) will open things up so we can import directly from the P40 into Recap.  I believe that Leica needs to release the rights to do so.  

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