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Author Topic: How do you know you got a good sparse point cloud??  (Read 2688 times)

bmc130

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How do you know you got a good sparse point cloud??
« on: March 31, 2015, 07:05:15 PM »
Hi!
I have problem understanding how to read, what to read, how to know that you got a good and optimized sparse point cloud.
If I right click a chunk and get show info, I get Effective Overlap: 3.67156 and Reprojection error: 0.221619 (1.04192 max)

What does this tell me, how do I know when I got a good value? Is this the info that tells me this or should I look somewhere else?

Next question: When I use Gradual Selection, Reprojection error how does this correspond together with the values in my show info window? Do they even?

Lets say I the reprojection error level to 0.5 and delete those points am I supposed to use the Optimize Camera function Alignment after deleted? Should all pre selected tick boxes be checked?

Please help me understand this once and for all :)

JohnyJoe

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Re: How do you know you got a good sparse point cloud??
« Reply #1 on: April 03, 2015, 10:14:48 PM »
Yes thats my questions aswell... if anyone has an advice please dont hesitate to share it :-).