What units does the LAS Dataset 3D Viewer use?

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10-14-2015 09:55 AM
TheodoreRakel
Occasional Contributor

I'm using arc map 10.2.1 and using the LAS Dataset 3D View tool to measure the distance between LiDAR points.  The measure tool always indicates "Unknown unit".

las_dataset_3d_view_units.jpg

I've tried setting a projection on the LAS Dataset, but I still get "Unknown unit".

las_dataset_projection.jpg

How do I get the 3D View to indicate to the user that the measure tool is measuring in US Feet?

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ClaytonCrawford
Esri Contributor

The distance and delta z are 3D and require z units to be defined in addition to XY. If z units differ from XY they will be converted to XY for the sake of reporting units.

We may consider assuming z units are the same as xy if z is undefined but for now we make no assumptions.

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ClaytonCrawford
Esri Contributor

The distance and delta z are 3D and require z units to be defined in addition to XY. If z units differ from XY they will be converted to XY for the sake of reporting units.

We may consider assuming z units are the same as xy if z is undefined but for now we make no assumptions.