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I started this process with one point cloud, and classified it in TBC, and exported as .las file. While exporting, it does not save GPS time (only Mobile Mapping system export works with GPS time). I want to get the GPS time (and any other attributes) from the unclassified .las and merge it with the classified .las. Is there a way to merge the two .las files? I have tried with FME, with both nearest neighbour and table merging, but the process takes too long for just one small subset of data and I have a lot of data to process so I would like to find another way to do it.

Any suggestions?

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