Changes between Version 52 and Version 53 of Processing/Lidarqcprocedure


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Timestamp:
Aug 9, 2011 5:02:31 PM (8 years ago)
Author:
knpa
Comment:

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  • Processing/Lidarqcprocedure

    v52 v53  
    66
    77==== Horizontal ====
    8 The first thing to do here is to load up all lines into a viewer (or if runs out of memory load them up in pairs) and see how well they overlap in the horizontal plane. Use Lag with "Brightness by Intensity".
     8The first thing to do here is to load up all lines into a viewer (or if runs out of memory load them up in pairs) and see how well they overlap in the horizontal plane. Use Lag with "Brightness by Intensity". If you have trouble making out the details in the lidar viewer then you can make tiffs of the flightlines by converting the las files to ascii with las2txt.sh then using these with make_lidardem_or_intensity.sh. [[BR]]
    99Check along features that cross between flight lines, for example, roads/field boundaries/hedgerows do they continue unbroken or are they offset between flight lines. Also, compare against the vectors (if available) for any gross offsets.
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