Yang Lei

@SiriusXCH0103 can you post 1) the actual commands, 2) which type of data you used, and 3) how you preprocessed? without the detailed info, we cannot help to diagnose the...

@SiriusXCH0103 try using `-m fine_coreg -s secondary` for Geogrid, where fine_coreg has the orbit geometry info for the coregistered common part between reference and secondary. Secondary is only used for...

Looks good to me.

Thanks for all questions and we would like to put together a notebook with all working examples soon... It may take a while so for now please first go through...

FYI, below are the file IDs for the radar and optical dataset used in the demo of autoRIFT/Geogrid: **Landsat-8**: LC08_L1TP_020007_20170708_20170716_01_T1_B8.TIF LC08_L1TP_020007_20170724_20170809_01_T1_B8.TIF **Sentinel-1**: S1A_IW_SLC__1SSH_20170221T204710_20170221T204737_015387_0193F6_AB07.zip S1B_IW_SLC__1SSH_20170227T204628_20170227T204655_004491_007D11_6654.zip