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Band+Lat+Lon = georeferenced file?
| Band+Lat+Lon = georeferenced file? [message #65310] |
Mon, 23 February 2009 13:28 |
wilfrid
Messages: 1
Registered: February 2009
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Junior Member |
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Time and again I come back to the same situation where I have a bunch
of satellite images with lat&lon values for each pixel and I need to
create ENVI standard files (i.e., data file+header) or some other easy
to handle file (e.g. geotiff) that I can manipulate with GIS
softwares. My input data correspond to at-satellite data (swath data)
- and it can come from geostationary or polar orbiters. Using
ENVI_REGISTER_DOIT I get relatively large errors when I know the
pixels are pretty well navigated (I'm using MODIS data). I assume the
problem might be linked to my use of ENVI_PROJ_CREATE which I have set
to (/geographic). Using Imagemap (written by Liam Gumley some years
ago) I managed to display the data just fine (map outlines properly
located) but I could not create a file with projection information out
of that. This has consumed my weekend and now I feel like asking
around as I am pretty sure this is one of those basic operations many
of you might have attempted before.
Thanks in advance!
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