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<p class="MsoNormal">Hi guys<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m struggling to extract the count for a specific GPS time (0.0) in one of my LAS files e.g.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime --filters.stats.where=(GpsTime == 0)<o:p></o:p></p>
<p class="MsoNormal">PDAL: filters.stats: Invalid value '(GpsTime' for argument 'where'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime --filters.stats.where=(GpsTime == 000000000.000000)<o:p></o:p></p>
<p class="MsoNormal">PDAL: filters.stats: Invalid value '(GpsTime' for argument 'where'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime --filters.stats.where=(GpsTime == False)<o:p></o:p></p>
<p class="MsoNormal">PDAL: filters.stats: Invalid value '(GpsTime' for argument 'where'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.stats.dimensions=GpsTime --filters.range.limits="GpsTime[0:0]" --filters.stats.count=GpsTime<o:p></o:p></p>
<p class="MsoNormal">PDAL: Argument references invalid/unused stage: 'filters.range'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.range.limits="GpsTime[0:0]" --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime<o:p></o:p></p>
<p class="MsoNormal">PDAL: Argument references invalid/unused stage: 'filters.range'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.range.limits="GpsTime[0.0:0.0]" --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime<o:p></o:p></p>
<p class="MsoNormal">PDAL: Argument references invalid/unused stage: 'filters.range'.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any chance you could give me pointer where I’ve gone wrong? I know this time exists as it shows up in the earliest GPS Time in the Point Data Record metadata header.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I was able to extract all the GPS times using this correct for the same file using this command :-<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(pdal) C:\Users\rphillips>pdal info --stats F:\Raw\NZVD2016\LAS_Tiled\CL2_AT24_2018_1000_1426.las --filters.stats.dimensions=GpsTime --filters.stats.count=GpsTime<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Many thanks and kind regards Rose<o:p></o:p></p>
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