These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] sci-libs/proj-9.7.0:0/9::gentoo  USE="tiff -curl -test" 779149 KiB
[ebuild  N     ] sci-libs/libgeotiff-1.7.3:0/5::gentoo  USE="jpeg zlib -doc" 535 KiB

Total: 2 packages (2 new), Size of downloads: 779684 KiB