I am looking at Sentinel-1 SAR image downloaded from ESA Copernicus - dhus location around south of Tokyo, Japan. File format is GeoTIFF.
It looks good in QGIS.
However, if I use SAGA,
the image looks upside down. Maybe "upside-down" is not an appropriate word, as the image lost its ENE-WSW orientation. The image seems simply drawn in XY space swapping lower-left and upper-left as origin.
In addition to QGIS, ArcGIS shows it correctly (according to my friend).
Sentinel-1 images are huge (several GBs) so I cannot test many images, but I reproduced this with randomly selected image in Australia.
Perhaps there are some geotags missed by these software?
Is there a way to modify the image (geotags, to be more specific) to properly read and display it in packages other than QGIS and ArcGIS software?