Point cloud deviation

[rick.rossman]

I have had this happen several times and can not find a solution.  When scanning into powerinspect with a laser scanner and using a tolerance scale, part of my scan will appear to be off the scale.  It turns flat purple.  I thought it was simply outside the max or min of the scale but it goes from a .005" deviation to off the scale purple right next to it.  I am using a +/- .125" scale.

Can anyone help me with this??

Thank you

[Richard.stubley · Accepted solution]

Hi @rick.rossman,

A purple point with a point cloud is a unprojected point. This means regardless of your tolerance its deemed too far from the surface of the CAD to give an accurate result.

The default is 0.8mm but you can of course change this. Measure > Parameters > Inspection Point > Proximity Criteria.

I cant remember off the top of my head if you can just un project and re project to make the change, or if the point cloud has to be re imported.

[rick.rossman]

Thank you Richard, that was exactly what I needed.   I've visited this before, could not remember how I solved it.  Asking the forum was much faster that trying to find it on my own again.  

FYI, I have documented this so I won't forget when I need it again in 2 years.

Rick Rossman

TRD