Changes between Version 21 and Version 22 of Processing/Lidarqcprocedure


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Timestamp:
Sep 21, 2009, 11:19:25 AM (15 years ago)
Author:
emca
Comment:

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  • Processing/Lidarqcprocedure

    v21 v22  
    2727Check the result to see what points have been selected.
    2828
    29 Manually reclassify points can only be done on a per flight line basis.
    30 
    3129Can use the Assign tool from the Classify menu to amend points which were missed or wrongly classified by the classification algorithms. Select the required options on the 'from' and 'to class'  drop down boxes and individually select a point to reclassify it.
    3230
    3331If there are a large number of points to be reclassified manually there are several tools (available by clicking on the 'Create Editable Model' icon) which allow groups of points to be reclassified. Be careful if using the 'Classify Using Brush' tool. This tool becomes active once the left mouse button has been clicked and reclassified anything that falls with the region indicated by the mouse icon. Right click with the mouse to deactivate this tool.
     32
     33'''Note: Manually reclassifying points can only be done on a per flight line basis.'''
    3434
    3535To remove haze layers, use elevation to threshold (Routine: by absolute elevation). Select an elevation range whose minimum is well above any ground targets and maximum above the haze layer.