Changes between Version 4 and Version 5 of FAQ/lidarasciiformat


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Timestamp:
Apr 24, 2017, 3:23:03 PM (8 years ago)
Author:
dac
Comment:

Added note about Optec LiDAR and link to conversion script

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  • FAQ/lidarasciiformat

    v4 v5  
    77` Time, Easting, Northing, elevation, intensity, classification, return number, scan angle rank `
    88
    9 For ASCII files containing 9 columns (data delivered from 2011 onwards) the files are formatted as follows:
     9For ASCII files containing 9 columns (data delivered from 2011 to 2015) the files are formatted as follows:
    1010
    1111` Time, Easting, Northing, elevation, intensity, classification, return number, number of returns for given pulse, scan angle rank `
    1212
    13 
    14 This information is also given in the readme file that should be included with your data.
     13This information is also given in the readme file included with the data  delivery.
    1514
    1615Each entry in the list is a single LiDAR return. If you prefer to deal with LAS format data, the text files can be converted to LAS format using third-party software (see [wiki:FAQ/las2ascii Converting ASCII files to LAS]).
    1716
     17Data flown with before 2009 the [wiki:Sensors/OptecLIDAR Optec LiDAR] use a different format with first and last return on the same line. These files can be converted to LAS using the script [https://github.com/pmlrsg/arsf_tools/blob/master/convert_pre2009_lidar.py `convert_pre2009_lidar.py`].
    1818
    1919[wiki:FAQ Back to FAQ]