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Last Post 12 Jan 2013 03:01 PM by  anon
map coordinate converter - different version of ENVI, different results
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anon



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12 Jan 2013 03:01 PM
    Hi, I am a little confused. Generally I work with SARscape on high resolution TerraSAR-X data. I usually need convert map coordinate to generating ground control point. I have updated ENVI from 4.8 version to 5.0 and I noticed that results from both version are different. Difference is about 20m and it is significant during geocoding HR data. I convert from UTM 31N ellipsoid ED50 to UTM 31N ellipsoid WGS84. It seems that conversion using ENVI 4.8 is proper. Can anybody know what is the cause of this difference?? Thank for answer in advance. Magda

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    14 Jan 2013 12:52 PM
    You might want to get in touch with Exelis Technical Support and let them know the exact steps you are using in ENVI 4.8 and in 5.0 so they can properly compare the procedures. Be sure to include your steps in Sarscape as they may be relevant.
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