Geo_Gian Posted May 6, 2015 Report Share Posted May 6, 2015 Hello to everyone, well, i have some kind of issue whit an Aster image. i downloaded an aster image from an area where the max altitudes not exceed 2000 mts, but when i cheked the values, this image had values over 6000!!. i cant find a solution for this. it may be that the image had errors? (Sorry for my english) Bye Quote Link to comment Share on other sites More sharing options...
hiram Posted May 6, 2015 Report Share Posted May 6, 2015 can you upload the image? Quote Link to comment Share on other sites More sharing options...
Lurker Posted May 7, 2015 Report Share Posted May 7, 2015 is it ASTER Dem data or what? please spesific for that product and does the fault only on some spot or consistent on all pixels ? Quote Link to comment Share on other sites More sharing options...
abdelaziz ahmed Posted May 7, 2015 Report Share Posted May 7, 2015 hello dear . first i think you have to check at data sources for ASTER the trusted source is (http://earthexplorer.usgs.gov/). then you can go on processing and manipulated ASTER like (fill sink to remove up normal values ). regards Quote Link to comment Share on other sites More sharing options...
Arhanghelul Posted May 7, 2015 Report Share Posted May 7, 2015 you can also use or compare to SRTM 30 m (free to download from earthexplorer) Quote Link to comment Share on other sites More sharing options...
juliusmall Posted September 26, 2015 Report Share Posted September 26, 2015 I converted one time a grid in an ers format and the altitudes were exploded. In which step do you have these inflated elevations ? Quote Link to comment Share on other sites More sharing options...
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