Sensor Zenith and Azimuth in Flaash - NV5 Geospatial

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Last Post 09 Jun 2010 04:01 AM by anon

Sensor Zenith and Azimuth in Flaash

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anon

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09 Jun 2010 04:01 AM
Hi! I´m trying to correct Landsat7 images, and I need help with the "Advanced Settings"->"For non-nadir Looking Instruments" option. Has Landsat7 a non-nadir looking instrument? If yes, Where could I obtain the angles? I have searched in MODIS (sensor_zenith and sensor_azimuth) and result values are bizarre!! Can you help me please? Thank you :)

MariM

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10 Jun 2010 09:46 AM
Landsat is a nadir pointing instrument, so I do not believe you have to set the zenith and azimuth. Data distributors may define zenith and azimuth differently but how FLAASH uses them is described in the ENVI help for FLAASH Advanced Parameters.

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