Changes between Version 14 and Version 15 of Processing/PixelSize


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Timestamp:
Mar 14, 2014 4:18:18 PM (4 years ago)
Author:
mark1
Comment:

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  • Processing/PixelSize

    v14 v15  
    1616
    1717Logsheets provided by ARSF contain the altitude from GPS.  One must compensate for the average terrain height when using the reckoner above.  For example, if your data is over coast areas and thus at sea level, the numbers are fine as is.  If your data is over a mountain valley, one should subtract the average height of the terrain from the logsheet altitude, then use that ground-altitude in the table above.
     18
     19== APL pixel spacing information ==
     20
     21When you run through APL it will output some information on the average nadir pixel spacing, that will look similar to this from apltran:
     22
     23{{{
     24Average nadir pixel sizes in along track, across track are: 5.344909793 2.543426218
     25Average nadir pixel sizes in projected X,Y are: 3.934267472 4.212970885
     26}}}
     27
     28and repeated in aplmap:
     29
     30{{{
     31Average nadir pixel size East: 3.934267472 North: 4.212970885
     32}}}
    1833
    1934== azgcorr-based pixel size ==