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tudelft3d / bag3d

Software for generating a 3D version of the BAG dataset and more. Python + PostgreSQL + 3dfier
GNU General Public License v3.0
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Use LiDAR point time stamp for AHN date #11

Closed balazsdukai closed 5 years ago

balazsdukai commented 6 years ago

For each building get the timestamp of only a single point and use that as the ahn_date attribute. No need to get the timestamps for all points in a building.

balazsdukai commented 5 years ago

Not possible to do, because AHN3 stores the GPS time as seconds from the start of the current week and it is not known what the current week refers to. So for now, we stay with the AHN file creation date which is stored in the LAS header. AHN2 files have no GPS time stored.

See https://groups.google.com/forum/#!msg/lastools/_9TxnjoghGM/CtVh15lHBwAJ;context-place=forum/lastools