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How i can replace "-NaN" pixels with the desired value?
By adel.naseri,
HI
I have masked water in an image and now i want to replace all masked pixels with a desired values..
how i can do this in ENVI Preferably or other Softwares?
thanks in advance
Processing time for SBAS and SRTM FTP source
By Corsa,
Hi guys. Im working on getting SBAS from 14 Sentinel images. In envi, the ftp server by xjrc is no longer active. anyone has any alternative ftp servers for that?
Also, I tried to run SBAS. However, it seems very slow and the progress bar doesnt move after 5 hours. Anyone have any rough idea how long SBAS should take?
Thanks
how can i extract the vacant land boundary ?
By ahmed taman,
Dears,
i have satellite image for urban region in this region there are different land use such as residential, transportation and vacant land i want to extract the Land boundary that is now vacant by any RS software
Identify crops and placing crop cover in land cover map
By joe999,
Hello,
I don't know if the topic will fall under GIS or remote sensing, but I am trying to incorporate crop maps which are 10 KM resolution with 1KM crop land cover maps. How would I use remote sensing to identify the type of crop. Are there any steps involved.
The GIS aspect would be able to disaggregate the data, if I have information on percentages for each 10 km cell. Would anyone have any suggestions on how this should be performed.
Admin: I apologize if this topic falls u
How can I put an curve of spectral library of envi, in wavelength that i want?
By adel.naseri,
Good time freinds
I want to compare an aster spectral curve with an spectral library of USGS curve in envi in order to find minerals in aster image. and because there is big difference between their wavelengths are hardly comparable.
Is there a trick to remove all wavelength that i do not them in curve of spectral library?
thank in advance
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