[Liblas-devel] las2las vertical unit conversion

Howard Butler hobu.inc at gmail.com
Mon Nov 1 22:14:15 EDT 2010


On Nov 1, 2010, at 4:10 PM, Brady Callahan wrote:

> Is there a way to use las2las to convert or scale Z units? I just used las2las to translate data from EPSG:26910 to EPSG:2992 and it worked fantastic! It took less than 25% of the time that LP360 (GeoCue) does for the same operation! However, my Z units (meters) still need to be converted to international feet. Is that possible with las2las?

I don't see any reason why we couldn't, but it is not possible just now.  

What about:

--point-translate "x*1.0 y*1.0 z*3.2808399"
--point-translate "z+20"
--point-translate "z-20"

I'd be interested in hearing feedback on this before implementing for 1.6.0b2's las2las.  Look good?

Howard



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