[pdal] pdal ground error

[Matthew Hanson]

I've got a small 20MB test file, single return.   lasinfo:
#################################################

  Number of Points by Return
---------------------------------------------------------
(1) 1069983

  Number of Returns by Pulse
---------------------------------------------------------
(1) 1069983

  Point Classifications
---------------------------------------------------------
1042754 Created, never classified (0)
27229 Unclassified (1)
  -------------------------------------------------------
  0 withheld
  0 keypoint
  0 synthetic
#################################################

However, when I run pdal ground I get this error:
*****
.test.las: Found invalid value of '0' for point's return number.
test.las: Found invalid value of '0' for point's number of returns.
.............................................test.las: Found invalid value
of '28' for point's return number.
test.las: Found invalid value of '224' for point's number of returns.
Caught PDAL exception: Unable to fetch data and convert as requested:
ScanAngleRank:float(-4.72698e+19) -> signed char
****

>From lasinfo it looks like the return numbers are ok, but as I'm new to
lidar I'm not entirely sure what this means.


Matthew Hanson
Applied GeoSolutions
(603) 659-3363 x91
http://appliedgeosolutions.com
mhanson at appliedgeosolutions.com
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