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Software for correcting ASTER DEM


chickenhawk66

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Hi,

I work on a private project where I want to use a ASTER DEM for. Unfortunatly, that area of the world is quite raw considering the quality of the dem (mostly spikes). I tried to install an ERDAS Imagine 11.0 version on a win7 64 box, but the lmgrd server does not run despite doing the correct actions in the readme.

Is there an alternative software that could be used for correcting the spikes in the DEM?

Thanks,

CH66

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If you want to do it automatically, I think majority filter will do the job, but it will introduce some generalization to the undistorted areas, so yeah the quality of the DEM will decreases, ENVI has built in majority filter on it, look at ENVI Menu>Filter

and then if you want to do it manually, use DEM editing tool at ENVI DEM Extraction module,

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