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LAS Dataset questions ArcMap 10.1 and ArcScene 10.1

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Hi all, I have searched for this in the forums and haven't been able to find anything.

I recently installed 10.1 (and SP1) to use the new capabilities for LiDAR and LAS files. The "LAS Dataset" toolbar has a button called "LAS Dataset Profile View" (see documentation here: http://resources.arcgis.com/en/help/...000003v000000/)

I can draw the line for the profile, and expand the box to include the points I want. However, when the "Profile View" window opens there are no points in it and all of the tools on the top toolbar are greyed out (see attached screenshot). I have tried changing the point counts but this doesn't seem to help.

I also noticed that the LAS Dataset toolbar in ArcScene 10.1 has a point renderer for "intensity" while the toolbar in ArcMap 10.1 does not. I've tried adding other renderers to the LiDAR dataset for intensity in ArcMap 10.1 to no avail. I wondered why this was and if there is a way to actually display intensity values in ArcMap 10.1?

If anyone can help me figure out what I might be missing, that would be fantastic!
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