<div dir="ltr">Could there be an option to filter for height above ground in reference to an external DEM?<div><br></div><div>Doug</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 2, 2015 at 8:10 PM, Vaclav Petras <span dir="ltr"><<a href="mailto:wenzeslaus@gmail.com" target="_blank">wenzeslaus@gmail.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><span class=""><div><br>On Wed, Sep 2, 2015 at 5:16 PM, Andrew Bell <<a href="mailto:andrew.bell.ia@gmail.com" target="_blank">andrew.bell.ia@gmail.com</a>> wrote:<br>><br>> Here's an example from the test code where I've removed all the stuff<br>> that actually tests. First we create a point table that's a subclass<br>> of PointTable. It only supports x, y, and z. Then we register a<br>> callback to be invoked each time a point is read (it does nothing<br>> other than fetch the data). I've also annotated the code.<br><br></div></span>Awesome, thanks! The comments are also very helpful.<br><br>Now I have the v.in.lidar implementation as described in the guide I'm working on. I will try how it will look like on GRASS GIS site. Then I will get back to this. Reading only as you described it, wrapped in C API, would be the ideal solution for the current v.in.lidar concept (import and basic filtering).<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">Vaclav<br></font></span></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div>Doug Newcomb</div><div>USFWS</div><div>Raleigh, NC</div><div>919-856-4520 ext. 14 <a href="mailto:doug_newcomb@fws.gov" target="_blank">doug_newcomb@fws.gov</a></div><div>---------------------------------------------------------------------------------------------------------</div><div>The opinions I express are my own and are not representative of the official policy of the U.S.Fish and Wildlife Service or Dept. of the Interior. Life is too short for undocumented, proprietary data formats.</div></div>
</div>