Al Bris

4 Questions 4 Answers 0 Followers

Questions related from Al Bris

Can I map spectral reflectance's across my entire data set in ENVI?

I would like to see the spectral reflectance's across my entire image so I can attach a color bar. Is there a way to do this in ENVI? I've only seen how to make spectral plots. Thank you!

02 June 2021 800 2 View

How can I mask clouds to analyze water using ENVI on a Sentinel 2 L1C data set?

Hello, I am trying to analyze water depth using SPEAR relative water depth, and inputting ground truth measurements. However, the SPEAR results mask a large portion of my interest region because...

19 May 2021 5,894 3 View

How to correct Landsat 8 reflectance values that are too high (in ENVI 5.5)?

Hello, I just created a "Quick Stats" histogram to view my Landsat 8 data after I divided each band by 10,000, and I see that the maximum reflectance values of all 7 bands are between 3-6. Do I...

03 May 2021 9,376 15 View

How to complete a Radiometric Calibration of Sentinel2 images in ENVI?

I am new to ENVI and attempting to do a radiometric calibration on Sentinel 2 L1C images. The metadata in the ENVI header shows 0.000 for the gain and offset values of all of the bands. I believe...

09 April 2021 2,987 1 View