Comments (2)
Original comment by [email protected]
on 29 Jul 2013 at 4:55
- Changed state: Accepted
from ledaps.
The issue flagged regarding the difference in SR values for path 39, row 37 in
the L7 ETM+ product is due to the difference in ozone data and correctly
reading it. I looked at the ozone values that were previously (incorrectly)
read for the OMI ozone data and the new values, for the center of the scene
(which is close to the area being flagged).
Ozone at scene center for new code on the Dev system is interpolated between:
298 299
298 297
Ozone for scene center for old code in previous releases is interpolated
between:
297 293
295 290
So, there are definitely some differences in the ozone values for that scene,
mainly due to the fact that we corrected the use of the resolution in pulling
the ozone from the appropriate location.
Furthermore, I reprocessed this scene with the new code and used the old
resolution and scaling (which would match the previous version of LEDAPS in
incorrectly reading the ozone data). The resulting image produced exact
results across all bands except for 11 pixels total, each with a difference of
1 (attributed to differences in architectures).
Therefore, I believe this issue is due to the difference in the ozone values
which are now being read correctly. I will mark this as invalid/closed.
Original comment by [email protected]
on 29 Jul 2013 at 8:32
- Changed state: Done
from ledaps.
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