You can use PanoRemap to remap your 360 spherical(equirectangular) panorama when you need to patch the zenith or nadir of the panorama.
PanoRemap is a front end for PTStitcherNG.
PanoRemap only supports JPG though PTStitcherNG supports many.
Usage:
- Drag and drop your filename.jpg onto PanoRemap to generate filename_remap.jpg.
- Use your photo editor to edit filename_remap.jpg.
- Drag and drop filename_remap.jpg onto PanoRemap to generate filename_new.jpg.
pano.jpg:
pano_remap.jpg: