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Up Topic SeaDAS / SeaDAS - General Questions / Terra geolocation with entrained att/eph data (locked)
- By stefan.maier Date 2016-06-17 06:24
Has Terra geolocation with entrained att/eph data been implemented in SeaDAS7.3?
Thanks
Stefan
- By stefan.maier Date 2016-06-17 21:06
Ok, it looks like it is implemented and works at least with some datasets.

However, processing with entrained att/eph fails for me with some datasets (processing with definitive att/eph is working fine). One example is granule MOD00.A2016169.0130_1.PDS.bz2.

modis_GEO processing fails with:

geogen_modis returned with exit status: -11
Problem reading geolocation file: gdt11_20160617_0130_MOD03.hdf
Validation test returned with error code:  2
ERROR: MODIS geolocation processing failed.

LogStatus contains the following messages:

data3/swdev/V2016.2/build/src/geogen_modis/GEO_location_main.c, main():MODIS_U_GEO_BEGIN:288778279
Sat Jun 18 10:20:07 2016
Seed file: 6.2 Running MOD_PR03 MODIS Geolocation main() 6.2 compiled on Apr 26 2016 at 15:06:00 using makefile 1.1

getMODISfileinfo():MAPI_E_ERR:324431360
ERROR: getMODISfileinfo cannot find file attribute Extract Pixel Offset

getMODISfileinfo():MAPI_E_ERR:324431360
ERROR: getMODISfileinfo cannot find file attribute Extract Pixel Count

getMODISfileinfo():MAPI_E_ERR:324431360
ERROR: getMODISfileinfo cannot find file attribute Extract Line Offset

getMODISfileinfo():MAPI_E_ERR:324431360
ERROR: getMODISfileinfo cannot find file attribute Extract Line Count

/data3/swdev/V2016.2/build/src/geogen_modis/GEO_del_limit_check.c, GEO_del_limit_check():MODIS_E_ONE_UNFLAG:288779804
Sat Jun 18 10:20:07 2016
Only one unflagged value in array.

/data3/swdev/V2016.2/build/src/geogen_modis/GEO_del_limit_check.c, GEO_del_limit_check():MODIS_E_ONE_UNFLAG - 1 additional occurrences

PGS_PC_GetPCSDataRetrieveData():PGSPC_W_NO_CONFIG_VALUE:76803
No configuration value exists for logical

PGS_PC_GetPCSData():PGSPC_W_NO_CONFIG_VALUE:76803
No configuration value exists for logical

PGS_PC_GetConfigData():PGSPC_W_NO_CONFIG_FOR_ID:76810
The Product ID does not contain a configuration value. Problematic ID is 600002.

I'm using a CentOS 7 system. ulimit -s is set to unlimited.

Any ideas what is going wrong?

Thanks
Stefan
- By gfireman Date 2016-06-20 11:51
Using entrained attitude for Terra is not supported in the latest geogen_modis.
Sometimes it seems to work; sometimes it fails without notice.
The source code is developed by another group, and it would be difficult to fix.
I have removed that option for modis_GEO.py, so it won't be available after the next release.

Please see:
http://oceancolor.gsfc.nasa.gov/forum/oceancolor/topic_show.pl?pid=23427
- By stefan.maier Date 2016-06-21 01:10
Interestingly the code in SeaDAS6.4 is processing this granule just fine.

I accept this is outside of your responsibility and MODIS/Terra is an ageing instrument. However, the direct-broadcast community is still heavily utilising the near-real time capability of MODIS/Terra. So a solution that enables MODIS/Terra L1 processing using the latest processor version would be highly appreciated.

Best Regards
Stefan
Up Topic SeaDAS / SeaDAS - General Questions / Terra geolocation with entrained att/eph data (locked)

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