Changes between Version 9 and Version 10 of Sensors/LeicaLIDAR/MashUp


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Timestamp:
Oct 22, 2008, 12:17:37 PM (16 years ago)
Author:
mark1
Comment:

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  • Sensors/LeicaLIDAR/MashUp

    v9 v10  
    209209 * check the images in TerraScan
    210210 * look at start/stop times of points at end of flight line – do these match the flight logsheet
     211
     212Also check if suspiciously large number of return %s for R2, R3 and R4. This could be due to flying in hazy conditions (check the webcam images). When you view the data check for extra surfaces (e.g. 200m above the terrain - will be obvious), and view by echo to see where the high number of R2, R3, R4 occur.
    211213
    212214Laser power too high - if the intensity overflows (reaches 255), the intensity based range correction will probably be wrong.  For example, a freshly asphalted road with bright white reflective (overflowing) strips may appear with the strips appearing to float up to 20cm above the road surface.