<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, Jan 9, 2015 at 1:31 PM, Matthew Hanson <span dir="ltr"><<a href="mailto:mhanson@appliedgeosolutions.com" target="_blank">mhanson@appliedgeosolutions.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I've got a small 20MB test file, single return. lasinfo:</div><div>#################################################</div><div><br></div><div><div> Number of Points by Return</div><div>---------------------------------------------------------</div><div><span style="white-space:pre-wrap"> </span>(1) 1069983</div><div><br></div><div> Number of Returns by Pulse</div><div>---------------------------------------------------------</div><div><span style="white-space:pre-wrap"> </span>(1) 1069983</div><div><br></div><div> Point Classifications</div><div>---------------------------------------------------------</div><div><span style="white-space:pre-wrap"> </span>1042754 Created, never classified (0) </div><div><span style="white-space:pre-wrap"> </span>27229 Unclassified (1) </div><div> -------------------------------------------------------</div><div> <span style="white-space:pre-wrap"> </span>0 withheld</div><div> <span style="white-space:pre-wrap"> </span>0 keypoint</div><div> <span style="white-space:pre-wrap"> </span>0 synthetic</div><div>#################################################<br></div></div><div><br></div><div>However, when I run pdal ground I get this error:</div><div>*****</div><div><div>.test.las: Found invalid value of '0' for point's return number.</div><div>test.las: Found invalid value of '0' for point's number of returns.</div><div>.............................................test.las: Found invalid value of '28' for point's return number.</div><div>test.las: Found invalid value of '224' for point's number of returns.</div></div></div></blockquote><div><br></div><div>These message indicate invalid values in the data. They don't meet the LAS specification, though LAS tools (lasinfo) accepts them.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Caught PDAL exception: Unable to fetch data and convert as requested: ScanAngleRank:float(-4.72698e+19) -> signed char</div></div></div></blockquote><div><br></div><div>I'll look into this. It's saying that it's trying to convert the scan angle rank to a char data type, but it doesn't fit. I'm not sure how the scan angle rank could have gotten so strange in the first place, regardless of the input data.</div><div><br></div></div>-- <br><div class="gmail_signature">Andrew Bell<br><a href="mailto:andrew.bell.ia@gmail.com">andrew.bell.ia@gmail.com</a></div>
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