Hot answers tagged remote-sensing
So MODIS is a complex instrument and it has been a while since I worked with the data. So bear that in mind. If we look at band 1, the data is pretty good: But as you point out with band 7 the data does not line up. I had to check it myself because I was certain it had to do with the different channels per band (which is why the raw RSR file have from ...
Use restore procedure in IDL and then save it to ENVI binary file. the code can like this: envi,/restore_base_save_files envi_batch_init restore,'e:\ndvi.sav' ;this can get variable ndvi,for example ENVI_WRITE_ENVI_FILE,ndvi,OUT_NAME='e:\ndvi.dat' envi_batch_exit ndvi.dat can then be opened by ENVI.
Answer given by Kwofu (Vincent) Chiang, one of the named contact in the raw files : If I understand your question correctly, you are wondering why MODIS spectral specification bandwidths listed on NASA web site are different than those computed from the RSR provided at the FTP sites. The MODIS specifications page on NASA web site provides the ...
Actually, I have had some good experience displaying images with QGIS. And you can play with transparency. But from what I know you cannot have two linked viewers. You have other free open source softwares (Monteverdi, BEAM ), but often those for raster image processing do not provide multi-image viewers. They are however quite fast to display your image ...
Idrisi - not free but cheap and there is a free trial version. Good for raster comparison and change direction. http://www.clarklabs.org Or saga! Not simple but very powerful and free! http://www.saga-gis.org/
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