XMP:XMP-GPano:InitialVerticalFOVDegrees
appears in the spec: https://developers.google.com/streetview/spherical-metadata (https://developers.google.com/streetview/spherical-metadata)
but is not listed in the XMP:XMP-GPano list of fields here: https://exiftool.org/TagNames/XMP.html#GPano (https://exiftool.org/TagNames/XMP.html#GPano)
I hope this is helpful! - J
Thanks. I'll look into adding support for this.
- Phil
The link on the tag page is also out of date. The one blue-j lists might be the new location, though I'm not sure.
It appears to be actually quite useful, but perhaps not used that often, not even by Google themselves (yet)!
"The initial vertical field of view that the viewer should display (in degrees). This is similar to a zoom level. If both GPano:InitialHorizontalFOVDegrees and GPano:InitialVerticalFOVDegrees are present, GPano:InitialHorizontalFOVDegrees takes precedence. Use only InitialVerticalFOVDegrees if your content is to be displayed in multiple aspect ratios, and you would prefer the vertical field of view to remain constant while the horizontal field of view may change. Google products currently do not support this field."
- J